Sliding hammer pliers

Abstract

The invention relates to a sliding weight attachment having a clamp-type or clamping member with a threaded clamping mechanism for securely gripping a fastener or a workpiece. When coupled to the slide weight, the tool may provide a secure clamping force on or around the fastener or workpiece that is coaxial with the axis of the slide weight shaft. The clamping force may facilitate removal of the workpiece from the fitting with a pulling force.

Description

Technical Field

[0001] The present invention relates generally to pliers and, more particularly, to a slide hammer attachment having pliers with a threaded clamping mechanism for securely grasping an object, component of an assembly, or any type of fastener. Background Art

[0002] It is often necessary to apply significant pulling force to remove or disassemble assembled parts. Typical pullers and other standard tools may not be able to remove certain parts due to adjacent or nearby equipment or other components that would obstruct access. Additionally, many objects cannot be adequately gripped and successfully removed by conventional pullers or standard tools due to the significant gripping and pulling force required for removal.

[0003] A slide hammer generally comprises a sliding body, called a "hammer", which slides axially along a shaft to strike a stopper fixed to or as part of the shaft. The opposite end of the shaft serves as an attachment point. When striking the stopper, the inertia of the sliding body is transferred to the shaft, thereby generating an axial impact force in the direction in which the sliding body slides. By coupling the attachment point to an object, a pulling force can be applied to the object. Applying a pulling force is particularly advantageous when it is not possible to apply a pushing or prying force on the other side of the object.

[0004] Locking pliers have been coupled to and used with slide hammers to grasp, lock, and forcefully remove parts. However, these combinations may not properly align the axis of the part with the axis of the slide hammer counterweight / shaft or the axial length of the pliers, which are often in an offset axis or non-parallel orientation relative to the slide hammer. Such a configuration can reduce the effectiveness of the sliding force applied by the hammer counterweight. In addition, known locking pliers can be cumbersome to use, and the geometry of conventional locking pliers is not well suited to tight fits or crowded spaces. Summary of the invention

[0005] The present invention broadly relates to a slide hammer attachment having pliers with a threaded clamping or locking mechanism for securely grasping a fastener or workpiece to be removed. When the pliers are attached to the slide hammer, a coaxial, secure clamping force is provided on the fastener or workpiece to facilitate forceful removal of the workpiece with the slide hammer. The threaded mechanism may include a threaded shaft about which the jaws of the pliers may be coupled and tensioned to adequately grasp the workpiece. The threaded mechanism may alternatively include a tensioning bolt coupled to and operable on one or more of the jaws to produce a clamping force on the workpiece.

[0006] According to one embodiment, a tool is disclosed. The tool may include: a base having a through hole; a first clamping body and a second clamping body, the first clamping body and the second clamping body being pivotably coupled to the base; and a handle having a distal end and a proximal end. The proximal end may be threadedly coupled to the base. Rotation of the base relative to the handle in a first rotational direction may cause the first clamping body and the second clamping body to pivot in a clamping or locking direction. Conversely, rotation of the base in a second rotational direction may cause the first clamping body and the second clamping body to pivot in a loosening or unlocking direction.

[0007] According to another embodiment, a tool is disclosed, comprising: a base having a through hole, a first wing and a second wing; and a handle threadedly coupled to the through hole of the base. A yoke may or may not be coupled to a distal end of the handle. Each of a first clamping body and a second clamping body has a clamping or gripping surface, and the first clamping body and the second clamping body are pivotably coupled to the yoke by a yoke pin. Rotation of the base relative to the handle in a first rotational direction may cause the first clamping body and the second clamping body to pivot about the yoke pin in a clamping or locking direction, and rotation of the base in a second rotational direction may cause the first clamping body and the second clamping body to pivot in a loosening or unlocking direction.

[0008] According to one embodiment, a tool adapter is disclosed. The tool adapter may include: a base having a distal end and a proximal end; a recess extending from the first end; and a first jaw extending from the first end. A second jaw may be disposed in the recess and may be pivotally coupled to the base. The second jaw may include a proximal portion and a distal portion, and a foot extending from the proximal portion. A handle may be threadedly coupled to the base, extend into the recess, and be adapted to engage the foot of the second jaw. Twisting the handle in a first rotational direction may cause the proximal portion of the second jaw to pivot toward the first jaw, and twisting the handle in a second rotational direction may cause the second jaw to pivot away from the first jaw. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] To facilitate understanding of the subject matter for which protection is sought, there are shown in the accompanying drawings embodiments thereof and from examination of the embodiments thereof, when considered in conjunction with the following description, the subject matter for which protection is sought, its construction and operation, and its many advantages should be readily understood and appreciated.

[0010] Figure 1 is an isometric perspective view of an exemplary slide hammer assembly having a two-piece hammer body according to an embodiment of the present invention.

[0011] Figure 2A is an isometric perspective view of an exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0012] Figure 2B According to an embodiment of the present invention Figure 2AA partially exploded isometric perspective view of the tool.

[0013] Figure 3A is an isometric perspective view of another exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0014] Figure 3B According to an embodiment of the present invention Figure 3A A partially exploded isometric perspective view of the tool.

[0015] Figure 4A is an isometric perspective view of another exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0016] Figure 4B According to an embodiment of the present invention Figure 4A A partial side view of the tool.

[0017] Figure 4C According to an embodiment of the present invention Figure 4A A partially exploded isometric perspective side view of a tool.

[0018] Figure 5A is an isometric perspective view of another exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0019] Figure 5B According to an embodiment of the present invention Figure 5A Isometric perspective view of tools.

[0020] Figure 5C According to an embodiment of the present invention Figure 5A A partially exploded isometric perspective view of the tool.

[0021] Fig. 6A is an isometric perspective view of another exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0022] Figure 6B According to an embodiment of the present invention Fig. 6A Exploded isometric perspective view of the tools.

[0023] Figure 6C According to an embodiment of the present invention Fig. 6A Side view of the tool.

[0024] Fig.6D According to an embodiment of the present invention Fig. 6A The tool along Figure 6C A front cross-sectional view taken along line AA in FIG.

[0025] Fig. 7A is an isometric perspective view of another exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0026] Figure 7B According to an embodiment of the present invention Fig. 7A Exploded isometric perspective view of the tools.

[0027] Figure 7C According to an embodiment of the present invention Fig. 7A Side view of the tool.

[0028] Fig.7D According to an embodiment of the present invention Fig. 7A The tool along Figure 7C A side cross-sectional view taken along line BB in FIG.

[0029] Fig. 8A is a front view of another exemplary tool for use with a slide hammer according to an embodiment of the present invention.

[0030] Figure 8B According to an embodiment of the present invention Fig. 8A Isometric perspective view of tools.

[0031] Figure 8C According to an embodiment of the present invention Fig. 8A Exploded isometric perspective view of the tools.

[0032] Fig.9A is an exploded isometric perspective view of another exemplary tool for use with a slide hammer in accordance with an embodiment of the present invention.

[0033] Fig. 9B According to an embodiment of the present invention Fig.9A Cross-sectional view of the tool.

[0034] Fig.10 is a front view of an exemplary tool including a slide hammer according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] Although the present invention allows for many different forms of embodiments, embodiments of the present invention (including preferred embodiments) are shown in the drawings and will be described in detail herein, it should be understood that the present disclosure is considered to be an example of the principles of the present invention, rather than limiting the broad aspects of the present invention to any one or more embodiments shown herein. As used herein, the term "present invention" is not intended to limit the scope of the claimed invention, but is only used to discuss exemplary embodiments of the present invention for the purpose of explanation.

[0036] The present invention broadly relates to a slide hammer attachment having a clamp-type or clamping / spreading member, or having a threaded clamping / spreading mechanism, for firmly grasping a fastener or workpiece. When coupled to a slide hammer, the tool can provide a firm clamping / spreading force on or around a fastener or workpiece that can be coaxial with the axis of the slide hammer shaft, wherein the clamping / spreading force increases with actuation of the slide hammer. The clamping force can assist in removing the workpiece from the assembly with a pulling force. The threaded mechanism can include a threaded shaft to which a tool head can be coupled and can be tensioned to fully grasp the workpiece. The threaded mechanism can alternatively include a tensioning bolt that is coupled to one or more jaws of the attachment and can be operated thereon to generate a clamping / spreading force on or around the workpiece. The geometry and serrations / engagement of the jaws are not limited to the design shown, but may be specific to an application or requirement for working on any flat, round or irregularly shaped workpiece.

[0037] refer to Figure 1 , embodiments of the present invention broadly include a slide hammer assembly 100 that may include a hammer body 120 that may slide axially along a longitudinally sliding shaft 110 (e.g., but not limited to, a metal rod). A first end 114 of the shaft 110 may be used as an attachment point for coupling the slide hammer assembly 100 to an accessory, as described herein, or to another object being processed, and may be threaded, beveled, male, female, etc. A second end 116 of the shaft 110 may include or be coupled to a handle (not shown).

[0038] The hammer 120 may include a through-hole 130 extending longitudinally therethrough that slidably receives the sliding shaft 110. The through-hole 130 may have a cross-sectional dimension orthogonal to the long axis 102 of the sliding shaft 110 and the hammer 120 that is slightly larger than the cross-sectional dimension of the outer "sliding" surface of the sliding shaft 110 to allow the hammer 120 to slide axially on the sliding shaft 110.

[0039] The hammer 120 can have a middle section 126, which is shown as cylindrical, but can have any cross-sectional configuration. The outer surface of the middle section 126 can be ribbed, knurled, or textured to provide a grip or holding portion. The hammer 120 can also have flanged ends 128a, 128b that extend radially outward from the longitudinal axis 102 to have a larger cross-section than the middle section 126. The flanged ends 128a and 128b can help protect the user's hands and / or fingers when grasping the middle section 126 to slide the hammer 120 along the shaft 110.

[0040] The sliding stop 112 may be coupled to the shaft 110 near the second end 116 or may be an integral part of the shaft 110. The sliding stop 112 may have a cross-sectional dimension orthogonal to the axis 102 that is greater than a cross-sectional dimension of the through opening 130. The hammer 120 may slide axially along the shaft 110 in the direction 118 until the impact surface 122 of the hammer 120 collides with the sliding stop 112, thereby generating an axial force in the direction 118 along the shaft 110. Optionally, a second stop (not shown) may be included near the first end 114 to prevent the non-impact surface 124 of the hammer 120 from sliding past the first end 114, thereby preventing the hammer 120 from being inadvertently removed from the shaft 110.

[0041] Generally speaking Figure 2A and Figure 2B , showing a method for use with a slide hammer (such as the above-mentioned Figure 1 The tool 20 is a tool 20 for use with a slide hammer. The tool 20 can be a pliers-type device having a tool head 202 disposed at or on a distal end of a handle 200 and a coupling portion 201 located at a proximal end 203 of the handle 200, the coupling portion 201 being adapted to be coupled to a shaft of a slide hammer, such as described above, or to another tool. The coupling portion 201 can be hexagonal and adapted to be engageable with a tightening tool, such as a wrench. The handle 200 can include an externally threaded surface extending the length of the handle 200 or a portion thereof. The coupling portion 201 can be or include a male or female connector and can be threaded, beveled, or otherwise adapted to be coupled to a shaft of a slide hammer or other tool.

[0042] According to one embodiment, the tool head 202 may generally include a base 210 coupled to the distal end of the handle 200. The base 210 may include a threaded through hole 214 extending through the base and adapted to threadably engage the handle 200. The proximal end 211 of the base 210 may include an angled or chamfered outer surface, similar to the outer surface of a hexagonal nut, which is adapted to receive a wrench or other fastening device for threadably coupling the base 210 to the handle 200. The base 210 may also include opposing wings 212 extending from the sides of the base 210. The wings 212 may include pin holes 213 adapted to receive and retain the connecting pins 251, respectively.

[0043] According to one embodiment, the base 210 can be pivotally coupled to one or more pliers-type jaws, such as first and second jaw bodies 230. The first and second jaw bodies 230 can be generally "L"-shaped jaws having a clamping surface 231 adapted to securely grip a workpiece and a foot 239 extending laterally from the body 230. The clamping surface 231 may include a gripping portion, a smooth surface, or opposing grooves (e.g., FIG. 4A to FIG. 4C230). The first and second jaw bodies 230 may also each include or define a connection pivot hole 233 and a yoke pivot hole 232. Each of the first and second jaw bodies 230 may include a notch 234 formed on the inwardly facing surface of the first and second jaw bodies 230. The notch 234 is sized and shaped to accommodate the width of the opposing bodies, align the clamping surface 231, and allow the first and second jaw bodies 230 to pivot, as described below.

[0044] According to one embodiment, the first and second jaw bodies 230 may be coupled to the base 210 via respective connecting strips 220. Each connecting strip 220 may include at least two connecting pin holes 221, 222 adapted to receive connecting pins 251, respectively, to pivotally couple the connecting strip 220 to the first and second jaw bodies 230 (via the connecting pivot holes 233) and the wing 212 of the base 210 (via the pin holes 213), respectively. The connecting pins 251 may be sized and shaped to be securely engaged and retained in the connecting pin holes 221, 222, such as by a press fit or the like. Alternatively, the connecting pins may be secured by a threaded connection, a ball detent, a cotter pin, a retaining ring, or a mushroom-shaped deformation (e.g., by a riveting operation). The size and shape of the pin holes 213 of the base 210 may be nominally larger than the connecting pins 251 to allow the connecting strips 220 to pivot about the wing 212 of the base 210, respectively. Although FIG. 2A to FIG. 2B The embodiment shown in shows the tool head 202 using four connecting strips 220 , but two thicker connecting strips 220 having slots at the pin holes may alternatively be coupled to the base 210 at each wing 212 .

[0045] According to one embodiment, the yoke 240 may be disposed at or near the distal end of the handle 200. The yoke 240 may or may not include a tenon 242, and may include two opposing protrusions 243, 244, each having a yoke hole 241. The yoke 240 may be adapted to receive the first and second jaw bodies 230 therein between the protrusions 233, 234. The tenon 242 may be sized and shaped to fit securely within the cavity 204 in the distal end of the handle 200. The tenon 242 may be coupled to the handle 200 by, for example, a friction, interference or press fit, adhesive, threading, or other fixed coupling mechanism.

[0046] The yoke 240 may be coupled to the first and second jaw bodies 230 via a yoke pin 252 that is axially disposed through the yoke pivot holes 232 of the first and second jaw bodies 230 and the yoke hole 241 of the yoke 240. The yoke pin 252 may be sized and shaped to be securely engaged and retained in the yoke hole 241 of the yoke, such as by compression, friction or interference fit, threaded connection, ball detent, cotter pin, snap ring, mushroom-shaped deformation (such as by a riveting operation), etc. The yoke pivot holes 232 of the first and second jaw bodies 230 may be nominally larger in size and shape than the yoke pin 252 to allow the first and second jaw bodies 230 to pivot about the yoke pin 252 while the yoke pin 252 remains securely engaged with the yoke hole 241 of the yoke 240, and vice versa.

[0047] In operation, according to one embodiment, the tool 20 can rely on the engagement of the base 210 with the handle 200 as a screw-driven tensioner that drives the clamping and loosening forces of the first and second jaw bodies 230. For example, when the base 210 is rotated about the threads of the handle 200 in a first rotational direction (e.g., clockwise), the base 210 can move away from the distal end of the handle 200 toward the proximal end 203. When the base 210 moves axially toward the proximal end 203, the connecting strip 220 pivots about the wing 212 of the base 210, thereby providing a downward force that causes the first and second jaw bodies 230 to pivot about the connecting pin 251 and the yoke pin 252, thereby bringing the grasping portions 231 together in a clamping direction. In addition, the proximal end 211 can be used to be tightened by hand or with a tool (e.g., a wrench) to apply a clamping force between the first and second jaw bodies 230.

[0048] According to one embodiment, operation of the tool 20 provides a clamping action with greater force than conventional pliers. Additionally, the tool 20 can clamp more forcefully on a workpiece when a pulling force is applied to the handle 200. For example, when used in conjunction with a slide hammer, as described above, the pulling force can be substantially aligned with the center of the first and second jaw bodies 230, thereby allowing for easier removal of the workpiece due to greater gripping force and slide hammer action.

[0049] Conversely, rotating the base 210 in a second rotational direction (e.g., counterclockwise) can cause the base 210 to travel toward the distal end of the handle 200. As the base 210 travels axially toward the distal end of the handle 200, the connecting bar 220 can pivot about the wing 212, thereby generating an upward force that causes the first and second jaw bodies 230 to pivot about the connecting pin 251 and the yoke pin 252 to push the jaw portions apart in the loosening direction. One or more linear and / or torsional return springs can be incorporated into the design to facilitate smoother rotation of the jaws in the loosening direction.

[0050] Generally speaking FIG. 3A to FIG. 3B, showing a method for use with a slide hammer (such as the above-mentioned Figure 1 Another tool 30 used together with a slide hammer of a slide hammer. The tool 30 can be a pliers-type device having a coupling portion 301 suitable for coupling to the shaft rod of the slide hammer (or other tools). FIG. 3A to FIG. 3B The tool 30 shown may be similar to FIG. 2A to FIG. 2B The tool 20 is shown in operation. However, the tool 30 may provide a direct coupling of the first and second jaw bodies 320 to the base 310.

[0051] The threaded shank 300 may include a coupling portion 301 disposed at a proximal end 303 of the shank. The coupling portion 301 may be adapted to couple the tool 30 to a shaft of a slide hammer (e.g., as described above, see Figure 1 ) or another tool. The coupling portion 301 may be hexagonal to allow engagement with a tightening tool (e.g., a wrench). The tool head 302 may be disposed at the distal end of the handle 300. According to one embodiment, the tool head 302 may generally include a base 310 coupled to the distal end of the handle 300. The base 310 may include a threaded through hole 314 extending through the base 310 and adapted to threadedly engage the handle 300. The base 310 may also include opposite wings 311 extending from the sides of the base 310, respectively. Each wing 311 may include one or more wing protrusions 312, which cooperate to form a yoke. The wing protrusions 312 may include pin holes 313, which are adapted to securely receive and retain wing pins 341, respectively.

[0052] According to one embodiment, the base 310 can be pivotally coupled to one or more jaws, such as first and second jaw bodies 320. The first and second jaw bodies 320 can be generally "L" shaped jaws having a clamping surface 331 adapted to securely grip a workpiece and a foot 329 extending laterally from the body 320. The clamping surface 331 is not limited to the design shown, but may be specific to an application or need to work on any flat, round, or irregularly shaped workpiece. The first and second jaw bodies 320 may also include or define a wing pivot hole 322 and a yoke pivot hole 321. Each of the first and second jaw bodies 320 may include a notch 323 formed on an inwardly facing surface of the first and second jaw bodies 320. The notch 323 is sized and shaped to accommodate the width of the opposing bodies, align the clamping surface 331, and allow the first and second jaw bodies 320 to pivot, as described below.

[0053] According to one embodiment, the first and second jaw bodies 320 may be respectively coupled to and disposed between the wing protrusions 312. A wing pin 341 may be disposed through the pin hole 313 and the wing pivot holes 322 of the first and second jaw bodies 320, respectively. The wing pin 341 may be sized and shaped to be securely engaged and retained in the pin hole 313, such as by compression, friction or interference fit, threaded connection, ball detent, cotter pin, snap ring, mushroom-shaped deformation (e.g., by riveting operation), etc. The wing pivot holes 322 of the first and second jaw bodies 320 may be sized and shaped to be nominally larger than the wing pin 341 to allow the first and second jaw bodies 230 to pivot about the wings 312 of the base 310,

[0054] According to one embodiment, the yoke 330 may be disposed at or near the distal end of the handle 300. The yoke 330 may or may not include a tenon 331, and two opposing protrusions 333, 334, each having a yoke hole 332. The yoke 330 may be adapted to receive the first and second jaw bodies 320, respectively, between the protrusions 333, 334. If the tenon 331 is included, the tenon 331 may be sized and shaped to fit securely within the cavity 304 in the distal end of the handle 300. The tenon 331 may be coupled to the handle 300 by friction, interference or press fit, adhesive, threading, or other fixed coupling mechanisms.

[0055] The yoke 330 may be coupled to the first and second jaw bodies 320 via a yoke pin 342 that is disposed through the yoke pivot holes 321 of the first and second jaw bodies 320 and the yoke hole 332 of the yoke 330. The yoke pin 342 may be sized and shaped to be securely engaged and retained in the yoke hole 332 of the yoke 330, such as by compression, friction or interference fit, threaded connection, ball detent, cotter pin, snap ring, mushroom-shaped deformation (e.g., by riveting operation), etc. The yoke pivot holes 321 of the first and second jaw bodies 320 may be sized and shaped to be nominally larger than the yoke pin 342 to allow the first and second jaw bodies 320 to pivot about the yoke pin 342 while the yoke pin 342 remains securely engaged with the yoke hole 332 of the yoke 330, and vice versa.

[0056] In operation, according to one embodiment, the tool 30 can rely on the engagement of the base 310 with the handle 300 as a screw-driven tensioner that drives the clamping and loosening forces of the first and second jaw bodies 320. When the base 310 is rotated about the threads of the handle 300 in a first rotational direction (e.g., clockwise), the base 310 can move away from the distal end of the handle 300 toward the proximal end 303. When the base 310 moves axially toward the proximal end 303, the first and second jaw bodies 320 can pivot about the wings 311 of the base 310, causing the first and second jaw bodies 320 to pivot about the yoke pin 342 and bring the clamping surfaces 331 together in a clamping direction. The base may include a hexagonal sleeve (not shown) similar to the proximal end 211 in the embodiment of tool 20, which can be fixed to the base 310 and the hexagonal sleeve can be used to tighten by hand or with a tool (e.g., a wrench) to apply a clamping force between the first and second clamp bodies 320.

[0057] Conversely, rotating the base 310 in a second rotational direction (e.g., counterclockwise) may cause the base 310 to advance toward the distal end of the handle 300. As the base 310 advances axially toward the distal end of the handle 300, the first and second jaw bodies 320 may pivot about the yoke pin 342, causing the first and second jaw bodies 320 to rotate relative to the wings 311, thereby pulling the clamping surfaces 331 apart in the loosening direction. One or more linear and / or torsional return springs may be incorporated into the design to facilitate smoother rotation of the jaws in the loosening direction.

[0058] Generally speaking FIG. 4A to FIG. 4C , showing a method for use with a slide hammer (such as the above-mentioned Figure 1 The tool 40 is a tool 40 used together with a slide hammer of a slide hammer. The tool 40 may be a pliers-type device having a coupling portion 401 suitable for coupling to a shaft of a slide hammer (the shaft being integrated with the slide hammer mechanism) or other tools. FIG. 4A to FIG. 4C The illustrated tool 40 may operate similarly to the previously described tools 20 and 30. However, the tool 40 may include first and second jaw bodies 430 including pivot apertures 432 about which the first and second jaw bodies 430 may pivot.

[0059] The threaded shank 400 may include a coupling portion 401 disposed at a proximal end 403 of the shank 400. The coupling portion 401 may be adapted to couple the tool 40 to a shaft of a slide hammer (see Figure 1) (the shaft is integrated with the slide hammer mechanism) or another tool. The coupling portion 401 can be hexagonal to allow engagement with a tightening tool (such as a wrench). The tool head 402 can be disposed at the distal end of the handle 400. According to one embodiment, the tool head 402 can generally include a base 410 coupled to the distal end of the handle 400. The base 410 may include a threaded through hole 414 extending through the base 410 and adapted to threadably engage the handle 400. The proximal end 411 of the base 410 may include an angled or beveled outer surface, similar to the outer surface of a nut, which is adapted to receive a wrench or other tightening device for rotating the base 410 around the handle 400. The base 410 may also include opposing wings 412 extending from the sides of the base 410, respectively. Each wing 412 may include one or more wing protrusions 416 and a base portion 415. The wing protrusions 416 may each include a pin hole 413 adapted to securely receive and retain a wing pin 421 .

[0060] According to one embodiment, the base 410 can be pivotally coupled to one or more jaws, such as first and second jaw bodies 430. The first and second jaw bodies 430 can be generally arcuate jaws having a clamping surface 431 and a foot 439 adapted to securely grip a workpiece. The foot 439 may include opposing first and second surfaces 433, 434. The first surface 433 may be disposed on a recessed portion of the body 430, and the second surface 434 may be disposed on opposing convex surfaces of the body 430. The clamping surface 431 may or may not include a groove such that when the opposing grooves 431 are drawn together, the grooves 431 are adapted to receive a shaft or a bent workpiece. Additionally, the clamping surface 431 may include a toothed portion (see FIG. 2A to FIG. 2B Alternatively, the clamping surface 431 may be flat, with or without grooves similar to the clamping surface 231 or the clamping surface 331.

[0061] The first and second jaw bodies 430 may also include or define respective pivot holes 432. Each of the first and second jaw bodies 430 may include a notch 435 formed on an inwardly facing surface of the first and second jaw bodies 430. The notch 435 may be sized and shaped to accommodate the width of the opposing bodies, align the clamping surfaces 431, and allow the first and second jaw bodies 430 to pivot, as described below.

[0062] According to one embodiment, the first and second jaw bodies 430 may be disposed between the wing protrusions 416. A wing pin 421 may be disposed through the pin hole 413. The wing pin 421 may be sized and shaped to securely engage and be retained in the pin hole 413, such as by compression, friction or interference fit, a cotter pin, a snap ring, a mushroom-shaped deformation (e.g., by a riveting operation), etc. The wing pin 421 may be adapted to retain the first and second jaw bodies 430 (particularly the foot 439) within the wing 412 when the first and second jaw bodies 430 are pivoted, as described below.

[0063] According to one embodiment, the yoke 440 may be disposed at or near the distal end of the handle 400. The yoke 440 may or may not include a tenon 442, and two opposing protrusions 443, 444, each having a yoke hole 441. The yoke 440 may be adapted to receive the first and second jaw bodies 430 between the protrusions 443, 444. The tenon 442 may be sized and shaped to fit securely within the cavity 404 in the distal end of the handle 400. The tenon 442 may be coupled to the handle 400 by friction, a ball detent, a ring, an interference or press fit, adhesive, threads, or other fixed coupling mechanisms.

[0064] The yoke 440 may be coupled to the first and second jaw bodies 430 via a yoke pin 422 disposed through the pivot holes 432 of the first and second jaw bodies 430 and the yoke hole 441 of the yoke 440. The yoke pin 432 may be sized and shaped to be securely engaged and retained in the yoke hole 441 of the yoke 440, such as by a press fit or the like. The pivot holes 432 of the first and second jaw bodies 430 may be sized and shaped to be nominally larger than the yoke pin 422 to allow the first and second jaw bodies 430 to pivot about the yoke pin 422 while the yoke pin 422 remains securely engaged with the yoke hole 441 of the yoke 440, and vice versa.

[0065] In operation, according to one embodiment, the tool 40 can rely on the engagement of the base 410 with the handle 400 as a screw-driven tensioner that drives the clamping and loosening forces of the first and second jaw bodies 430. The feet 439 of the first and second jaw bodies 430 can selectively engage the base portion 415 or the wing pin 421 to retain the feet 439 within the wings 412 of the base 410.

[0066] When the base 410 is rotated about the thread of the handle 400 in a first rotational direction (e.g., clockwise), the base 410 can move away from the distal end of the handle 400 toward the proximal end 403. When the base 410 moves axially toward the proximal end 403, the wing pin 422 can engage the feet 439 of the first and second jaw bodies 430, particularly the opposing first surfaces 433, causing the first and second jaw bodies 430 to pivot about the yoke pin 422 and push the clamping surfaces 431 together in the clamping direction. In addition, the proximal end 411 can be used to tighten by hand or with a tool (e.g., a wrench) to apply a clamping force between the first and second jaw bodies 430.

[0067] Conversely, rotating the base 410 in a second rotational direction (e.g., counterclockwise) may cause the base 410 to travel toward the distal end of the handle 400. As the base 410 travels axially toward the distal end of the handle 400, the feet 439 of the first and second jaw bodies 430, particularly the opposing second surfaces 434, may engage the base portions 415 of the wings, causing the first and second jaw bodies 430 to pivot about the yoke pin 422, thereby pushing the clamping surfaces apart in the loosening direction. One or more linear and / or torsional return springs may be incorporated into the design to facilitate smoother rotation of the jaws in the loosening direction.

[0068] Generally speaking FIG. 5A to FIG. 5C , showing a method for use with a slide hammer (such as the above-mentioned Figure 1 The tool 50 is a tool 50 used together with a slide hammer of a slide hammer. The tool 50 may be a pliers-type device having a coupling portion 501 suitable for coupling to a shaft of a slide hammer (the shaft being integrated with the slide hammer) or other tools. FIG. 5A to FIG. 5C The illustrated tool 50 may operate similarly to the previously described tools 20, 30, and 40. However, the tool 50 may include a pad 540 about which the first and second jaw bodies 520 may pivot.

[0069] The threaded shank 500 may include a coupling portion 501 disposed at a proximal end 503 of the shank 500. The coupling portion 501 may be adapted to couple the tool 50 to a shaft of a slide hammer (see Figure 1 ) (the shaft is integrated with the slide hammer) or another tool. The coupling portion 501 can be hexagonal to allow engagement with a tightening tool (such as a wrench). The tool head 502 can be disposed at the distal end of the handle 500. According to one embodiment, the tool head 502 can generally include a base 510 coupled to the distal end of the handle 500. The base 510 may include a threaded through hole 513 extending through the base 510 and suitable for threaded engagement with the handle 500. The base 510 may also include opposing wings 512 and a base portion 515 extending from the base 510. Each wing 512 may include one or more wing protrusions 516. The wing protrusion 516 may include a pin hole 511, which is suitable for securely receiving and retaining the wing pin 530.

[0070] According to one embodiment, the base 510 can be pivotally coupled to one or more jaws, such as first and second jaw bodies 520. The first and second jaw bodies 520 can be generally arcuate jaws having a clamping surface 521 and a foot 529 adapted to securely grip a workpiece. The foot 529 may also include opposing first and second surfaces 523, 524. The first surface 523 may be disposed on a recessed portion of the body 520, and the second surface 524 may be disposed on opposing convex surfaces of the body 520. The clamping surface 521 may or may not include grooves or serrations such that when opposing grooves or serrations on the clamping surface 521 are drawn together, the grooves are adapted to receive a workpiece shaft beneath a head cap on the workpiece. Alternatively, the clamping surface 521 may be a smooth, flat surface or include a toothed portion (see FIG. 2A to FIG. 2B ).

[0071] The first and second jaw bodies 520 may also include or define a pivot hole 522. However, according to one embodiment, the pivot hole 522 may be unnecessary. Each of the first and second jaw bodies 520 may include a notch 525 formed on an inwardly facing surface of the first and second jaw bodies 520. The notch 525 may be sized and shaped to accommodate the width of the opposing bodies, align the clamping surfaces 521, and allow the first and second jaw bodies 520 to pivot, as described below.

[0072] According to one embodiment, portions of the first and second jaw bodies 520, particularly the foot 529, may be disposed between the wings 512. A wing pin 530 may be disposed through the pin hole 511. The wing pin 530 may be sized and shaped to be securely engaged and retained in the pin hole 511, such as by compression, friction or interference fit, cotter pin, threaded connection, ball detent, snap ring, mushroom-shaped deformation (e.g., by riveting operation), etc. The wing pin 530 may be adapted to retain the first and second jaw bodies 520, particularly the foot 529, respectively, within the wings 512 when the bodies 520 are pivoted, as described below.

[0073] According to one embodiment, the pad 540 can be disposed at or near the distal end of the handle 500. The pad 540 can include a tenon 542 and a wedge 543. The tenon 542 can be sized and shaped to fit securely within the cavity 504 in the distal end of the handle 500. The tenon 542 can be coupled to the handle 500 by friction, interference or press fit, adhesive, ball detent, ring, thread, or other fixed coupling mechanism. The wedge 543 can be substantially conical, curved, flat, or otherwise angled to provide a fulcrum-like engagement with the first and second jaw bodies 520, as described below.

[0074] In operation, according to one embodiment, the tool 50 can rely on the engagement of the base 510 with the handle 500 as a screw-driven tensioner that drives the clamping and loosening forces of the first and second jaw bodies 520. The feet 529 of the first and second jaw bodies 520 can selectively engage the base 515 or the wing pin 530 to retain the feet 529 within the wings 512 of the base 510.

[0075] When the base 510 is rotated about the threads of the handle 500 in a first rotational direction (e.g., clockwise), the base 510 can move away from the distal end of the handle 500 toward the proximal end 503. When the base 510 moves axially toward the proximal end 503, the wing pin 530 can engage the feet 529 of the first and second jaw bodies 520, particularly the opposing first surfaces 523, causing the first and second jaw bodies 520 to pivot about the wedge 543 and bring the clamping surfaces 521 together in a clamping direction.

[0076] Conversely, rotating the base 510 in a second rotational direction (e.g., counterclockwise) may cause the base 510 to move toward the distal end of the handle 500. As the base 510 moves axially toward the distal end of the handle 500, the feet 529 of the first and second jaw bodies 520, particularly the opposing second surfaces 524, may engage the wedges 543 of the pad 510, causing the first and second jaw bodies 520 to pivot and push the clamping surfaces apart in the loosening direction. One or more linear and / or torsion return springs may be incorporated into the design to facilitate smoother rotation of the jaws in the loosening direction.

[0077] Generally speaking FIG. 6A to FIG. 6D , showing a method for use with a slide hammer (such as the above-mentioned Figure 1 The tool 60 is a tool for use with a slide hammer (or a slide hammer). The tool 60 may be a pliers-type device having a coupling portion adapted to be coupled to a shaft of a slide hammer (or other tool). The tool 60 may include a base 610, one or more jaws (e.g., a body 611, 620) and a handle 600, wherein at least one jaw may be pivotable.

[0078] According to one embodiment, the base 610 may have a first end (e.g., a distal end 616) and a second end (e.g., a proximal end 615). The base 610 may include a notch 612 extending from the distal end 616 of the base 610. The base 610 may include a first body 611 having a clamping surface 627 and may extend from the distal end 616. According to one embodiment, the first body 611 may form a portion of the jaws and may be integral with and / or fixed to the body 610. The base 610 may also include a pin hole 613 adapted to receive a pin 630, as described below.

[0079] The recess 612 may be adapted to receive a second body 620 pivotably coupled to the base 610. The proximal end 615 of the base 610 may include a coupling fixture, such as a recess 617 adapted to couple the base 610 to a slide hammer shaft or other tool. Although the coupling portion may be depicted as a recess 617, it may be or include a male connector, a female connector, a press fit, a thread, or other fixed coupling mechanism. The base 610 may also include or define a handle hole 614 adapted to receive the handle 600. According to one embodiment, the handle 600 and the handle hole 614 may be threaded so that rotation of the handle 600 moves the handle 600 through the recess 612 in a first direction and a second direction (e.g., a clamping direction or a loosening direction), respectively (as described below). According to one embodiment, the handle 600 may be a bolt, a screw, or other threaded fastener. Alternatively, the handle hole 614 and the handle 600 may be on opposite sides to open the jaws in an outward direction to engage the workpiece through an internal feature.

[0080] According to one embodiment, the second body 620 can be a generally "L" shaped jaw having a clamping surface 628 adapted to securely grasp a workpiece and a foot 629 extending laterally from the body 620. The foot 629 can include a pivot hole 622 and opposing first and second surfaces 621, 623. The first surface 621 can be disposed on a substantially flat distally facing portion of the foot 629, and the second surface 623 can be disposed on an opposing proximally facing surface of the foot 629. According to one embodiment, the first surface 621 can be substantially perpendicular to the clamping surface 627 and the second surface 623 can be angled or sloped toward the handle hole 614 and / or the proximal end of the tool 60.

[0081] When assembled, the second body 620 can be disposed in the recess 612 of the base 610. The pin 630 can be disposed through the pin hole 613 of the base 610 and the pivot hole 622 of the second body 620. The pin 630 can be sized and shaped to be securely engaged and retained in the pin hole 613, such as by a press fit or other fixed coupling mechanism. The size and shape of the pivot hole 622 of the second body 620 can be nominally larger than the pin 630 to allow the second body 620 to pivot about the pin 630 in the recess 612, and vice versa. The handle 600 can be threaded into the handle hole 614 and the recess 612.

[0082] In operation, according to one embodiment, the tool 60 can rely on the engagement of the handle 600 with the second body 620 and the base 610 as a screw-driven tensioner that drives the clamping and loosening forces of the second body 620. When the handle 600 is rotated, the handle 600 can selectively engage the foot 629 of the second body 620, particularly the second surface 623.

[0083] When the handle 600 is rotated in the first rotational direction (e.g., clockwise), the handle 600 may advance further into the recess 612. When the handle 600 advances into the recess 612, the handle 600 may engage the sloped / angled second surface 623 of the second body 620, causing the second body 620 to pivot about the pin 630 and push the clamping surface 628 of the second body 620 in the clamping direction toward the clamping surface 627 of the first body 611. The head of the handle 600 may be hexagonal or include a flat surface so that it may engage with a tightening tool (e.g., a wrench) to facilitate rotation in the first rotational direction and increase the clamping force applied by the clamping surfaces 627, 628.

[0084] Conversely, rotating the handle 600 in a second rotational direction (e.g., counterclockwise) may cause the handle 600 to move out of the notch 612. When the handle 600 moves axially out of the notch 612, the force applied to the foot 629 of the second body 620 is removed, thereby allowing the second body 620 to pivot the clamping surface 628 of the second body 620 away from the clamping surface 627 of the first body 611 in a loosening direction.

[0085] Generally speaking FIG. 7A to FIG. 7D , showing a method for use with a slide hammer (such as the above-mentioned Figure 1 The tool 70 is a tool for use with a slide hammer (or other tool). The tool 70 may be a pliers-type device having a coupling portion adapted to be coupled to a shaft of a slide hammer (or other tool). The tool 70 may include a base 710, one or more jaws (e.g., bodies 717, 720), and a handle 700, wherein at least one jaw may be pivotable.

[0086] According to one embodiment, the base 710 may have a first end (e.g., a distal end 716) and a second end (e.g., a proximal end 715). The base 710 may include a notch 712 extending from the distal end 716 of the base 710. The base 710 may include a first body 717 having a clamping surface 713 and may extend from the distal end 716. According to one embodiment, the first body 717 may form a portion of the jaws and may be integral with and / or fixed to the body 710. The base 710 may also include a pin hole 711 adapted to receive a pin 730, as described below.

[0087] The recess 712 may be adapted to receive a second body 720 pivotably coupled to the base 710. The proximal end 715 of the base 710 may include a coupling fixture, such as a recess 716 adapted to couple the base 710 to a slide hammer shaft or other tool. Although the coupling feature may be depicted as a recess 716, it may be or include a male connector, a female connector, a press fit, a thread, or other fixed coupling mechanism. The base 710 may also include or define a handle hole 714 disposed in the protrusion 718 and extending through a portion of the body 710 in a lateral direction (e.g., perpendicular to the first body 717) to the recess 712. The handle hole 714 may be adapted to receive the handle 700. According to one embodiment, the handle 700 and the handle hole 714 may be threaded such that rotation of the handle 700 moves the handle 700 through the recess 712 in a first direction and a second direction (e.g., a clamping direction or a loosening direction), respectively. Alternatively, the shank hole 714 and the shank 700 may be on opposite sides to open the jaws in an outward direction to engage the workpiece through internal features. According to one embodiment, the shank 700 may be a bolt, screw, or other threaded fastener.

[0088] According to one embodiment, the second body 720 can be a generally "finger" shaped jaw having a clamping surface 727 adapted to securely grasp a workpiece and a foot (e.g., lug 722) extending from the body 720 (e.g., at the proximal end of the body 720). The second body 720 can include a pivot hole 721 disposed at or near a central portion of the body 720.

[0089] When assembled, the tool 70 may include a second body 720 disposed in a recess 712 of the base 710. A pin 730 may be disposed through the pin hole 711 of the base 710 and the pivot hole 721 of the second body 720. The pin 730 may be sized and shaped to be securely engaged and retained in the pin hole 713, such as by compression, friction or interference fit, a split pin, a snap ring, a mushroom-shaped deformation (e.g., by a riveting operation), or other fixed coupling mechanism. The pivot hole 721 of the second body 720 may be sized and shaped to be nominally larger than the pin 730 to allow the second body 720 to pivot about the pin 730 in the recess 712, and vice versa. The handle 700 may be threaded into the handle hole 714 and the recess 712.

[0090] In operation, according to one embodiment, the tool 70 can rely on the engagement of the handle 700 with the lugs 722 of the second body 720 and the base 70 as a screw-driven tensioner that drives the clamping and loosening forces of the second body 720. Alternatively, if the handle 700 and the handle aperture 714 are disposed on opposite sides of the base 710, the handle 700 can apply a force to open the jaws in an outward direction. When the handle 700 is rotated, the handle 700 can selectively engage the lugs 722 of the second body 720.

[0091] When the handle 700 is rotated in a first rotational direction (e.g., clockwise), the handle 700 may move laterally into the recess 712. When the handle 700 moves into the recess 712, the handle 700 may engage the lug 722 of the second body 720, causing the second body 720 to pivot about the pin 730 and push the clamping surface 727 of the second body 720 in the clamping direction toward the clamping surface 713 of the first body 717. The head of the handle 700 may have a driving geometry (e.g., an internal hexagon, an external hexagon, or other effective driving geometry) so that it may engage with a tightening tool (e.g., a wrench) to facilitate rotation in the first rotational direction and increase the clamping force applied by the clamping surfaces 713, 727.

[0092] Conversely, rotating the handle 700 in a second rotational direction (e.g., counterclockwise) may cause the handle 700 to move out of the notch 712. When the handle 700 moves out of the notch 712, the force applied to the lug 722 of the second body 720 is removed, thereby allowing the second body 720 to pivot the clamping surface 727 of the second body 720 away from the clamping surface 713 of the first body 717 in a loosening direction.

[0093] Generally speaking Fig. 8A , Figure 8B and Figure 8C , showing a method for use with a slide hammer (such as the above-mentioned Figure 1 The tool 80 is a tool 80 for use with a slide hammer (such as a slide hammer). The tool 80 can be a pliers-type device having a tool head 802 disposed at or on the distal end of a handle 800, and a coupling portion 801 at the proximal end 803 of the handle 800 adapted to be coupled to a shaft of a slide hammer (such as the shaft of a slide hammer as described above) or other tool. The coupling portion 801 can be hexagonal and adapted to be engageable with a tightening tool (such as a wrench). The handle 800 can include an externally threaded surface extending the length of the handle 800 or a portion thereof. The coupling portion 801 can be or include a male or female connector and can be threaded, beveled, or otherwise adapted to be coupled to a shaft of a slide hammer or other tool.

[0094] According to one embodiment, the tool head 802 may generally include a base 810 coupled to the distal end of the handle 800. The base 810 may include a threaded through hole 814 extending through the base and adapted to threadably engage the handle 800. The proximal end 811 of the base 810 may include an angled or chamfered outer surface, similar to the outer surface of a hexagonal nut, which is adapted to receive a wrench or other fastening device for threadably coupling the base 810 to the handle 800. The base 810 may also include opposing wings 812 extending from the sides of the base 810. The wings 812 may include pin holes 813 adapted to receive and retain the connecting pins 851, respectively.

[0095] According to one embodiment, the base 810 can be pivotally coupled to one or more pliers-type jaws, such as first and second jaw bodies 830. The first and second jaw bodies 830 can be generally "L"-shaped jaws having a surface 831 adapted to securely grip a workpiece and a foot 839 extending laterally from the body 830. The gripping surface 831 may include a gripping portion, a smooth surface, a hook-like portion, or opposing grooves (e.g., FIG. 4A to FIG. 4C 830). The first and second jaw bodies 830 may also each include or define a connection pivot hole 833 and a yoke pivot hole 832. Each of the first and second jaw bodies 830 may include a notch 834 formed on an inwardly facing surface of the first and second jaw bodies 830. The notch 834 may be sized and shaped to accommodate the width of the opposing bodies, extend the surface 831 in an outward direction to engage the workpiece through an internal feature of the workpiece, and allow the first and second jaw bodies 830 to pivot, as described below.

[0096] According to one embodiment, the first and second jaw bodies 830 may be coupled to the base 810 via respective connecting strips 820. Each connecting strip 820 may include at least two connecting pin holes 821, 822 adapted to receive connecting pins 851, respectively, to pivotally couple the connecting strip 820 to the first and second jaw bodies 830 (via the connecting pivot hole 833) and the wing 812 of the base 810 (via the pin hole 813), respectively. The connecting pin 851 may be sized and shaped to be securely engaged and retained in the connecting pin holes 821, 822, such as by a press fit or the like. Alternatively, the connecting pin may be secured by a threaded connection, a ball detent, a cotter pin, a retaining ring, or a mushroom-shaped deformation (e.g., by a riveting operation). The pin hole 813 of the base 810 may be sized and shaped to be nominally larger than the connecting pin 851 to allow the connecting strip 820 to pivot about the wing 812 of the base 810, respectively. Although FIG. 8A to FIG. 8C The embodiment shown in shows a tool head 802 using two connecting strips 820 , alternatively, four connecting strips 820 having slots at the pin holes may be coupled to the base 810 at each wing 812 .

[0097] According to one embodiment, the yoke 840 can be disposed at or near the distal end of the handle 800. The yoke 840 can include two opposing protrusions 843, 844, each having a yoke hole 841. The yoke 840 can be adapted to receive the first and second jaw bodies 830 therein between the protrusions 843, 844. The yoke 840 can be coupled to the handle 800 by, for example, friction, interference or press fit, adhesive, threads, or other fixed coupling mechanisms.

[0098] The yoke 840 may be coupled to the first and second jaw bodies 830 via a yoke pin 852 that is axially disposed through the yoke pivot holes 832 of the first and second jaw bodies 830 and the yoke hole 841 of the yoke 840. The yoke pin 852 may be sized and shaped to be securely engaged and retained in the yoke hole 841 of the yoke, such as by compression, friction or interference fit, threaded connection, ball detent, cotter pin, snap ring, mushroom-shaped deformation (e.g., by a riveting operation), etc. The yoke pivot holes 832 of the first and second jaw bodies 830 may be sized and shaped to be nominally larger than the yoke pin 852 to allow the first and second jaw bodies 830 to pivot about the yoke pin 852 while the yoke pin 852 remains securely engaged with the yoke hole 841 of the yoke 840, and vice versa.

[0099] In operation, according to one embodiment, the tool 80 can rely on the engagement of the base 810 with the handle 800 as a screw-driven tensioner that drives the clamping and loosening forces of the first and second jaw bodies 830. For example, when the base 810 is rotated about the threads of the handle 800 in a first rotational direction (e.g., clockwise), the base 810 can move away from the distal end of the handle 800 toward the proximal end 803. As the base 810 moves axially toward the proximal end 803, the connecting strip 820 pivots about the wings 812 of the base 810, thereby providing a downward force that causes the first and second jaw bodies 830 to pivot about the connecting pin 851 and the yoke pin 852 to pull the surfaces 831 away from each other. One or more linear and / or torsional return springs can be incorporated into the design to facilitate smoother rotation of the jaws in the loosening direction.

[0100] Conversely, rotating the base 810 in a second rotational direction (e.g., counterclockwise) can cause the base 810 to move toward the distal end of the handle 800. When the base 810 moves axially toward the distal end of the handle 800, the connecting bar 820 can pivot about the wing 812. The first and second jaw bodies 830 pivot about the connecting pin 851 and the yoke pin 852 to pull the jaw portions 832 toward each other. In addition, the proximal end 811 can be used to tighten by hand or with a tool (e.g., a wrench) to apply a clamping force between the first and second jaw bodies 830.

[0101] According to one embodiment, operation of the tool 80 provides a clamping action with greater force than conventional pliers. Additionally, the tool 80 can clamp more forcefully on a workpiece when a pulling force is applied to the handle 800. For example, when used in conjunction with a slide hammer, as described above, the pulling force can be substantially aligned with the center of the first and second jaw bodies 830, thereby allowing easier removal of the workpiece due to greater gripping force and the slide hammer action.

[0102] Generally speaking Fig.9A and Fig. 9B, shows an adapter 90 according to an embodiment of the present invention. The adapter 90 can be used with any of the embodiments described herein, including but not limited to the slide hammer 100 and / or any of the above-mentioned tools 20, 30, 40, 50, 60, 70, 80, or another tool. The adapter 90 can be a universal rotating device with a threaded shank 900, which has a head 902 at the proximal end, and the threaded shank 900 is suitable for being connected to another tool. The head 902 is suitable for holding a yoke 904, which can be arranged at or near the proximal end of the threaded shank 900. The yoke 904 can include two opposing protrusions 906, 908, each protrusion having a yoke hole 912 suitable for receiving a pin 910. The yoke 904 can include a threaded through hole 914. Alternatively, the through hole 914 can be unthreaded and can have a diameter greater than the outermost thread on the threaded shank 900.

[0103] The adapter 90 may also include a connector body 916. The connector body includes a first end 918 and a second end 920, and a hole 922 near the first end 918, wherein the hole 922 is suitable for receiving a pin 910 to pivotally connect the connector body 916 to the yoke 904. The first end 918 may have a circular outer surface to allow the connector body 916 to rotate relative to the yoke 904. The size and shape of the pin 910 can be set to be firmly engaged and retained in the yoke hole 912 and the hole 922, such as by a press fit. Alternatively, the pin 910 can be fixed by a threaded connection, a ball pawl, a split pin, a snap ring or a mushroom-shaped deformation (such as by a riveting operation). The second end 920 of the connector body 916 is suitable for being connected to a slide hammer or another tool. In one embodiment, the second end 920 may include an opening 924 for connecting to another tool or another component. Another tool, such as a slide hammer, may be retained in the opening 924 by compression, friction or interference fit, threaded connection, ball detent, cotter pin, snap ring, mushroom-shaped deformation (e.g., by a riveting operation), etc. The opening 924 may be adapted to be rotatably coupled to another tool, such as a slide hammer, wherein the tool rotates relative to the adapter about the axis of the opening 924.

[0104] According to one embodiment of the present invention, generally referring to Fig.10, a slide hammer assembly 1000 is shown, and the slide hammer assembly 1000 is coupled to the adapter 90, which is coupled to the tool 80. The slide hammer assembly 1000 may include a hammer body 1002 that can slide axially along a longitudinally sliding shaft 1004 (such as, but not limited to, a metal rod). The first end 1006 of the shaft 1004 can be used as an attachment point for coupling the slide hammer assembly 1000 to an accessory, as described herein, or to another object being processed, and the first end 1006 can be threaded, beveled, male, female, etc. Although the slide hammer assembly 1000 is shown coupled to the adapter 90 and the tool 80, the slide hammer assembly 1000 can be used with any of the embodiments described herein, including but not limited to any of the above-mentioned tools 20, 30, 40, 50, 60, 70, 80, the adapter 90, or other tools. The second end 1008 of the shaft 1004 may include or be coupled to a handle 1010.

[0105] The hammer 1002 may include a through hole (not shown) extending longitudinally therethrough that slidably receives the sliding shaft 1004. The through hole may have a cross-sectional dimension orthogonal to the axis of the sliding shaft 1004 and the hammer 1002 that is slightly larger than the cross-sectional dimension of the outer "sliding" surface of the sliding shaft 1004 to allow the hammer 1002 to slide axially on the sliding shaft 1004.

[0106] The hammer 1002 can have a middle section 1012, which is shown as cylindrical, but can have any cross-sectional configuration. The outer surface of the middle section 1012 can be ribbed, knurled, or textured to provide a grip or holding portion. The hammer 1002 can also have flanged ends 1014a, 1014b that extend radially outward and have a larger cross-section than the middle section 1012. The flanged ends 1014a, 1014b can help protect the user's hands and / or fingers when grasping the middle section 1014 to slide the hammer 1002 along the shaft 1004.

[0107] The sliding block 1016 can be coupled to the shaft 1004 near the second end 1008 or can be an integral part of the shaft 1004. The sliding block 1016 can have a cross-sectional dimension orthogonal to the axis of the shaft 1004 that is larger than the cross-sectional dimension of the through opening of the hammer 1002. The hammer 1002 can slide axially in one direction along the shaft 1004 until the hammer 1002 collides with the sliding block 1016, generating an axial force, as described above with reference to Figure 1 as described.

[0108] Although the embodiments of the tools described herein may be described as being suitable for connection to a slide hammer, those skilled in the art will recognize that the tools described are not limited to use with only slide hammers, but may be used with other tools including, but not limited to, drivers, ratchets, extenders, etc.

[0109] As used herein, words indicating approximations of ranges, such as "generally," "approximately," and "about" are descriptive terms used to encompass manufacturing tolerances. Those skilled in the art will understand that the dimensions and relationships disclosed and claimed need not be exact or precise, but a certain amount of tolerance (e.g., manufacturing and / or measurement tolerances) is within the scope of the claims and the present invention.

[0110] As used herein, the term "coupled" and its functional equivalents are not necessarily limited to a direct mechanical connection of two or more parts. Instead, the term "coupled" and its functional equivalents are intended to refer to any direct or indirect mechanical, electrical or chemical connection between two or more objects, features, workpieces and / or environmental materials. In some examples, "coupled" also means that one object is integral with another object. As used herein, unless otherwise expressly stated, the terms "a" or "an" may include one or more items.

[0111] Terms used herein to indicate direction, order or orientation, such as "first", "second", "horizontal", "vertical", "lateral", "top", "bottom", "left", "right", "upper", "lower", "above", "below", "front", "back", "near", "far", "clockwise", "counterclockwise", etc., are non-limiting and are used herein for ease of explanation. Those skilled in the art will recognize that the use of these terms is merely a descriptive example that does not limit the placement, orientation or arrangement of the elements described using these terms.

[0112] The matters set forth in the foregoing description and the accompanying drawings are provided by way of illustration only and not as limitations. Although particular embodiments have been shown and described, it will be apparent to those skilled in the art that changes and modifications may be made without departing from the broader aspects of the inventor's contribution. The actual scope of the protection sought is intended to be defined in the claims when viewed from an appropriate perspective based on the prior art.

Claims

1. A tool comprising: a base including a through hole; a first jaw body and a second jaw body, the first jaw body and the second jaw body being pivotably coupled to the base; and a handle having a distal end and a proximal end, wherein the distal end is threadably coupled to the base; Wherein rotation of the base relative to the handle in a first rotational direction causes the first jaw body and the second jaw body to pivot in a direction toward each other, and rotation of the base in a second rotational direction causes the first jaw body and the second jaw body to pivot away from each other.

2. The tool of claim 1, wherein the proximal end is adapted to be coupled to a slide hammer.

3. The tool of claim 2, wherein the proximal end includes a coupling portion adapted to couple to the slide hammer, and the coupling portion is shaped to engage the tool.

4. The tool of claim 1, wherein the first jaw body and the second jaw body include first and second opposing grasping jaws, respectively.

5. The tool of claim 4, wherein the first and second opposing grasping jaws face substantially away from each other and are adapted to engage an internal feature of a workpiece.

6. The tool of claim 1, wherein the first jaw body and the second jaw body each include a workpiece specific geometry adapted to cooperatively grasp a workpiece.

7. The tool of claim 1 further comprising a yoke coupled to the distal end of the handle, the first jaw body and the second jaw body being pivotably coupled to the yoke.

8. The tool of claim 1, wherein each of the first jaw body and the second jaw body is pivotably coupled to the base by one or more connecting strips.

9. The tool of claim 1, wherein the first jaw body is pivotably coupled to the base by first and second connecting bars, and the second jaw body is pivotably coupled to the base by third and fourth connecting bars.

10. The tool of claim 1 further comprising a pad coupled to the distal end of the handle, wherein rotation of the base in the second rotational direction causes the first and second jaw bodies to pivot away from each other about the yoke pin.

11. The tool of claim 10, wherein the pad comprises a generally conical wedge.

12. The tool of claim 1, wherein the first jaw body and the second jaw body are generally "L" shaped.

13. The tool of claim 1, wherein the first jaw body and the second jaw body are pivotably coupled to the base by one or more pins.

14. The tool of claim 1, wherein the base includes a first wing and a second wing, the first jaw body and the second jaw body being disposed in the base at the first wing and the second wing, respectively, and being pivotably coupled to the base.

15. The tool of claim 1, further comprising an adapter coupled to the base, wherein the adapter comprises: a yoke having an opening for receiving the shank and first and second protrusions having respective first and second holes for receiving a pin, and A connector body has a hole for receiving the pin to pivotally couple the connector body to the yoke, wherein the connector body is adapted to be coupled to another tool.

16. A tool comprising: a base defining a through hole, a first wing, and a second wing; a handle having a distal end and a proximal end, wherein the distal end is threadably coupled to the through hole of the base; a yoke coupled to the distal end of the handle; and a first jaw body and a second jaw body, each jaw body having a clamping surface, wherein the first jaw body and the second jaw body are pivotably coupled to the yoke by a yoke pin; wherein rotation of the base relative to the handle in a first rotational direction causes the first jaw body and the second jaw body to pivot in a clamping direction about the yoke pin, and rotation of the base in a second rotational direction causes the first jaw body and the second jaw body to pivot in a loosening direction.

17. A tool according to claim 16, wherein each of the first wing and the second wing includes a first wing protrusion and a second wing protrusion relative to each other, the first clamp body is arranged between the first wing protrusion and the second wing protrusion of the first wing, and the second clamp body is arranged between the first wing protrusion and the second wing protrusion of the second wing.

18. The tool according to claim 17, wherein each of the first wing protrusion and the second wing protrusion includes a pin hole, a first pin is disposed in the pin hole of the first wing protrusion and the second wing protrusion of the first wing, and a second pin is disposed in the pin hole of the first wing protrusion and the second wing protrusion of the second wing.

19. The tool of claim 14, wherein the proximal end includes a coupling portion adapted to couple to a slide hammer, and the coupling portion is shaped to engage the tool.

20. A tool comprising: a base defining a through hole and opposing first and second wings; a handle having a distal end and a proximal end, wherein the distal end is threadably coupled to the through hole of the base; and a first jaw body and a second jaw body, the first jaw body and the second jaw body being pivotably disposed between the first wing and the second wing; wherein rotation of the base relative to the handle in a first rotational direction causes the first jaw body and the second jaw body to pivot in a clamping direction, and rotation of the base in a second rotational direction causes the first jaw body and the second jaw body to pivot in a loosening direction.

21. The tool of claim 20, wherein each of the first wing and the second wing comprises a first pin hole and a second pin hole.

22. The tool of claim 21, further comprising a first pin disposed in the first pin holes of the first wing and the second wing, and a second pin disposed in the second pin holes of the first wing and the second wing.

23. The tool of claim 20, wherein the proximal end includes a coupling portion adapted to couple to a slide hammer, and the coupling portion is shaped to engage a tool.

24. A tool adapter, comprising: a base having a first jaw and a notch; a second jaw pivotably coupled to the base and including a foot disposed in the recess; and A handle is threadably connected to the base, extends into the recess, and is adapted to engage the foot, wherein turning the handle in a first rotational direction causes the second jaw to pivot toward the first jaw, and turning the handle in a second rotational direction causes the second jaw to pivot away from the first jaw.

25. The tool adapter of claim 24, wherein the base includes a coupling mechanism opposite the first jaw and adapted to couple the tool adapter to a slide hammer.

26. The tool adapter of claim 24, wherein the shank is disposed axially within the base.

27. The tool adapter of claim 24, wherein the shank is disposed in the base perpendicular to the base.

28. The tool adapter of claim 24, wherein the shank is a threaded fastener and includes a head shaped to engage a tool.

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