117results about "Power driven reciprocating saws" patented technology

The utility model relates to the technical field of woodworking tools, in particular to a jig saw and a saw blade adjusting mechanism thereof. The saw blade adjusting mechanism comprises a saw blade shaft, an adjusting shaft, a limiting sleeve, a limiting shaft, a limiting knob, a connecting sleeve, an adjusting knob and a handle. According to the jig saw and the saw blade adjusting mechanism thereof, the tightness degree of the saw blade can be rapidly and efficiently adjusted, the orientation of the cutting edge of the saw blade can be flexibly adjusted in real time in the application of machining complex products, and therefore the applicability of a woodworking saw is improved, and the cost performance of the woodworking saw is improved.

Herein a hand-held electrically powered device (2) is disclosed. The hand-held device comprises a housing (4)), an electric motor (14), and a fan (18). The hand-held device (2) comprises a wall member (20) arranged inside the housing (4) and forming at least part of a wall (22) which delimits a first compartment (24) from a second compartment (26) within the housing (4). The wall member (20) forms an individual element. The wall member (20) is coupled to first and second housing elements. The wall member (20) comprises a through opening (42). The electric motor (14) extends from the first compartment (24) to the second compartment (26) via the through opening (42). The electric motor (14) is supported by the wall member (20).

A power tool includes a transmission assembly configured to transmit power between a motor and an output assembly to drive an output shaft to oscillate back and forth; and an adjustment assembly for adjusting the transmission assembly. The adjustment assembly is configured to, when a load of the output shaft satisfies a preset value of the adjustment assembly, control the transmission assembly according to the load of the output shaft so that the transmission assembly adjusts an angle of oscillation of a work attachment.

A blade for an oscillating multi-tool is disclosed, the blade having a plurality of break-off portions that can be removed to reveal new serrated cutting edges, at least one cut-out line formed along the width of the blade portion, rearward of the serrated leading edge, each cut-out defining at least one substantially forward-facing apex, and gaps formed along the width of the blade portion between the cut-outs, a front portion of the blade portion forward of the cut-outs being attached to a rear portion of the blade portion rearward of the cut-outs by at least material in the lateral gaps between the cut-outs.

A saw blade includes a blade body having a top surface and a bottom surface, wherein the blade body is at least partially comprised of a first composite material or a metal; a cutting edge on a distal end of the blade body; and a coupling configured to connect the blade body to a handpiece adapted to oscillate the blade body. The saw blade may include:a first inlay portion and a second inlay portion, where the first inlay portion is either embedded in the top surface or covers the top surface, and the second inlay portion is either embedded in the top surface or covers the bottom surface; oran inlay portion sandwiched between a top portion and a bottom portion of the blade body.

To provide an improved massage device.SOLUTION: An impact massage device includes a housing, an electric source, a motor positioned in the housing, a switch for operating the motor, and a push rod assembly operably connected to the motor, and configured to make a reciprocating motion responding to the operation of the motor. The housing includes a first handle part, a second handle part, and a third handle part that cooperate so as to define a handle opening. The first handle part defines a first axis line, the second handle part defines a second axis line, and the third handle part defines a third axis line. The first axis line, the second axis line, and the third axis line form a triangle cooperatively.SELECTED DRAWING: Figure 14

The invention relates to a tool clamping device (10) for an oscillating multifunctional tool (12), comprising at least one tool securing unit (14), at least one actuating unit (16) for securing a tool (18) to the tool securing unit (14) or for releasing the tool (18) from the tool securing unit (14), and at least one damping element (20) arranged between the actuating unit (16) and the tool securing unit (14). According to the invention, the damping element (20) is designed as an elastomer.

An accessory for a power tool includes a mounting interface for detachably mounting the accessory to a clamping device of the power tool. The mounting interface is configured to permit the accessory to be used with a wide variety of clamping devices, regardless of manufacturer. The accessory includes a mounting portion having a spindle slot configured to accommodate a drive spindle of the tool and pin openings that are arranged around the spindle slot. The pin openings are configured to receive pins which are arranged around a spindle of an oscillating power tool. The spindle slot includes first linear portion, a second linear portion and a curved portion that is disposed between, and connects, the first linear portion to the second linear portion. The spindle slot is configured to contact the spindle of an oscillating power tool at a first location of the spindle slot.

An oscillating power tool includes a housing, a motor disposed generally within the housing and including a drive shaft, an output spindle configured to be driven by the motor and journaled for oscillating rotation about an oscillation axis, a drive mechanism configured to convert rotation of the drive shaft into oscillating rotation of the output spindle about the oscillation axis, the drive mechanism including an eccentric member configured to rotate off center about the motor axis, and a forked member operatively coupled to the eccentric member and configured for oscillating rotation about the oscillation axis in response to rotation of the eccentric member, and an amplitude adjustment actuator configured to move the eccentric member in the direction generally parallel to the motor axis to change an angular amplitude of oscillating rotation of the forked member.

To solve the problem in a blade of a vibration multi tool which is provided with cutting teeth at the tip, the use of the blade enabling cutting of an object only by pressing a vibrating tip part against the object, in which when the vibrating tip part is brought into contact with the object, the cutting teeth bounce on a surface of wood or the like to scratch a surface of the object or cut a wrong part.SOLUTION: A blade for an electric tool having a drive shaft that performs reciprocating circular arc vibrations comprises: a tooth row formed linearly by a plurality of cutting teeth at a front end; and a connecting hole for connecting to the center of the drive shaft at a rear end. A first cutting tooth at a tip among the plurality of cutting teeth is formed with a tooth tip lower than that of an adjacent second cutting tooth, the second cutting tooth is formed with a tooth tip lower than that of an adjacent third cutting tooth, and the third cutting tooth is formed with a tooth tip lower than that of an adjacent fourth cutting tooth.SELECTED DRAWING: Figure 1

The invention discloses a long bamboo section saw seam unblocking device, and belongs to the technical field of bamboo wood processing. The long bamboo section saw seam through joint equipment comprises a seam cutting assembly which comprises a U-shaped saw frame and a rope saw, and the rope saw is fixed to the lower portion of the U-shaped saw frame through a fastening screw; a pair of mounting frames is arranged along the length direction of the U-shaped saw frame; the first adjusting assemblies are arranged in one-to-one correspondence with the mounting frames, each first adjusting assembly comprises a lifting motor, a first adjusting screw, an adjusting block and a bearing plate, the first adjusting screws are fixedly connected with the output ends of the lifting motors, the bearing plates are horizontally and fixedly connected to one sides of the mounting frames, and the first adjusting screws are sleeved with the adjusting blocks in a threaded mode; the supporting frame is horizontally arranged, the two ends of the supporting frame are hinged to the adjusting blocks in the corresponding adjusting assemblies respectively, and the U-shaped saw frame is horizontally embedded in the bottom of the supporting frame in a sliding mode. Through cooperative control of the lifting motor and the slider-crank mechanism, a dynamic matching dip angle is formed between the saw track and the axis of the bamboo section, and the problem of cutter deviation caused by traditional vertical saw cutting is avoided.

A blade clamp for use with a power tool having a reciprocating spindle. The blade clamp comprises: a cover rotatably coupled to the spindle, the cover including a first ramped surface and a second ramped surface spaced radially inward of the first ramped surface; a spring coupling the cover and the spindle; and a detent received within a bore of the spindle, the detent movable in a radial direction relative to a longitudinal axis of the spindle to adjust the blade clamp between a locked configuration and an unlocked configuration. The spring biases the cover toward a first rotational position relative to the spindle coinciding with the locked configuration. The cover is rotatable against the bias of the spring toward a second rotational position relative to the spindle coinciding with the unlocked configuration. A portion of the detent is positioned between the first ramped surface and the second ramped surface when the blade clamp is adjusted between the locked configuration and the unlocked position such that the portion of the detent remains between the first ramped surface and the second ramped surface throughout an entire range of adjustment of the cover between the first rotational position and the second rotational position.

An additional base further improves the stability of a jigsaw during cutting. An additional base (1, 201) can be attached to a jigsaw (J). The jigsaw (J) has a base unit (6) for contact with a workpiece (W) and a body (2) that can be tilted laterally relative to the base unit (6). The additional base (1, 201) has a contact area (115, 116) for contact with the workpiece (W) when the additional base (1, 201) is attached to the jigsaw (J). The additional base (1, 201) can be attached such that an additional width (WA) from the contact area (115, 116) to the center of the base unit (6) in the lateral direction of the body (2) is greater than a width (WB) of the base unit (6) in the lateral direction.

Disclosed are a saw blade quick-change structure for electric tools, and a saw blade quick-change method. The saw blade quick-change structure for electric tools comprises a locking mechanism, a head shell, a tool rest and a quick-change buckle. The locking mechanism is installed in the head shell. The tool rest is installed at the bottom of the head shell. The quick-change buckle is hinged to the head shell. The locking mechanism comprises a movable rod, a locking rod, a collet chuck, a locking block, a stop collar and a return spring. The collet chuck is located below the movable rod. The locking rod is clamped by the collet chuck. The locking block and the stop collar open or close the collar chuck. The return device returns the locking block. The saw blade is assembled and disassembled through the cooperation of the collet chuck and the locking block.

An inner plate (76) of a surgical sagittal blade cartridge (60) is configured to be arranged between a top plate (102) and a bottom plate (64) of the cartridge (60). The inner plate (76) comprises a base (78) formed by the inner plate (76), wherein the base (78) forms a proximal end of the inner plate (76). The inner plate (76, 160, 180) further comprises three tines (80, 86, 99) extending forward from the base, the three tines including two outer tines (80, 99) and an inner tine (86), wherein the tines (80, 86, 99) are laterally spaced apart from each other. The inner tine (86) is formed to have a curved head (95) configured to function as a pivot boss for a blade head (146).

A system is provided comprising a robotic instrument for use with a tool. In some versions, the robotic instrument comprises a hand-held portion to be held by a user and a tool support movably coupled to the hand-held portion to support the tool. The robotic instrument further includes an actuator assembly operatively attached to the tool support and the hand-held portion and configured to move the tool support relative to the hand-held portion in a plurality of degrees of freedom. The robotic instrument may includes a handle alignment member extending from the hand-held portion. At least a portion of the handle alignment member and a tool plane defined by the tool are aligned when the tool support has an optimal range of motion relative to the hand-held portion.

An oscillating power tool includes a housing, a motor disposed generally within the housing and including a drive shaft, an output spindle configured to be driven by the motor and journaled for oscillating rotation about an oscillation axis, a drive mechanism configured to convert rotation of the drive shaft into oscillating rotation of the output spindle about the oscillation axis, the drive mechanism including an eccentric member configured to rotate off center about the motor axis, and a forked member operatively coupled to the eccentric member and configured for oscillating rotation about the oscillation axis in response to rotation of the eccentric member, and an amplitude adjustment actuator configured to move the eccentric member in the direction generally parallel to the motor axis to change an angular amplitude of oscillating rotation of the forked member.

The invention provides a multifunctional workbench and a tool combination system comprising the same, and belongs to the technical field of woodworking electric tools. The workbench comprises a supporting base, a table plate, a mounting seat, a mounting arm and a mounting head, a bottom plate mounting part is arranged on the bottom surface of the table plate, and a handheld electric reciprocating saw can be fixedly connected to form a table type garland saw which is used for cutting a first type of workpieces. Meanwhile, the handheld electric reciprocating saw can also be used as an independent operation machine for cutting the second type of workpieces. By improving the structure of the working table, flexible combination and independent use of the working table and the handheld electric reciprocating saw are achieved, the respective use functions of the working table and the handheld electric reciprocating saw are greatly expanded, a user can achieve machining operation of most functions and most types of workpieces with the minimum number of tools, and the cost for purchasing the tools by the user is greatly saved.

A tool attachment configured to remove a wheel weight from a vehicle wheel is disclosed. The tool attachment comprising a body. The body include an exterior surface, a first end, and a second end. A mounting surface is positioned on a first portion of the body proximate to the first end. The mounting surface is configured to abut a tool. An opening extends from the mounting surface to the exterior surface of the body. The opening is configured to receive a fastener to secure the body to the tool. A blade engage surface is positioned on a second portion of the body proximate to the second end. The blade engaging surface is configured to receive and secure a blade to the body. A tool including the tool attachment and a method of using the tool attachment are also disclosed.

The present invention provides a reciprocating cutting tool that allows for easy attachment and detachment of the blade, has a more compact outer diameter, and suppresses changes in the blade mounting angle. [Solution] The jigsaw, as a reciprocating cutting tool, is equipped with a blade holder 32 for attaching and detaching a blade 34, which is capable of reciprocating up and down. The blade holder 32 is movable in a direction approaching and moving away from the blade 34, i.e., in the left-right direction, and has a first pressing member 130 capable of pressing the blade 34, a first biasing member 134 that biases the first pressing member 130, a second pressing member 142 capable of pressing the blade 34 in a direction different from the direction of pressing by the first pressing member 130, i.e., downward, and a second biasing member 144 that biases the second pressing member 142. When the second pressing member 142 is pressed by the blade 34, the first pressing member 130 automatically presses the blade 34. The first biasing member 134 is positioned to avoid the direction of movement of the first pressing member 130.

The utility model discloses a novel rechargeable jig saw, and belongs to the field of jig saws. The device mainly comprises a machine shell, a rolling sleeve assembly and a driving assembly, a supporting box base is installed in the machine shell, the rolling sleeve assembly comprises a first rotating shaft installed on the supporting box base through a bearing, a large gear is installed on the first rotating shaft, and an eccentric shaft is installed at the eccentric position of the large gear; a front support and a rear support are symmetrically installed in the machine shell, a reciprocating rod composed of main rod bodies at the two ends and a middle connector is arranged between the front support and the rear support, the main rod bodies at the two ends penetrate through the front support and the rear support respectively, the connector is located between the two main rod bodies and provided with a kidney-shaped groove, and one end of the reciprocating rod is detachably connected with a saw blade. The eccentric shaft is sleeved with a rolling sleeve part which is matched with the kidney-shaped groove and reduces the friction coefficient between the rolling sleeve part and the kidney-shaped groove. According to the novel rechargeable jig saw, the rolling sleeve part of the eccentric shaft is matched with the waist groove of the reciprocating rod, sliding friction is replaced with rolling friction, energy consumption and abrasion are effectively reduced, and transmission stability and equipment durability are enhanced.

This invention provides a power tool. The vibratory tool has an inner housing (3), a spindle (5), a clamping shaft (61), a clamping spring (65), a clamping member (71), a collar (75), an operating handle (77), and a pressure sleeve (671). The collar (75) holds the clamping member (71) so that it can move relative to it in a vertical direction between a locked position and an unlocked position. The locked position is when the clamping member is engaged with the clamping shaft (61) in a state where it cannot move radially, and the unlocked position is when the clamping member can move radially. The operating handle (77) moves the clamping member (71) downward relative to the collar (75) and the spindle (5) in response to a predetermined release operation. The clamping member (71) moves from the locked position to the unlocked position relative to the collar (75) in response to the release operation. During the downward movement, the clamping member (71) presses down on the tip tool (91) via the pressure sleeve (671). Accordingly, the tip tool can be easily removed.

To provide an electric working machine improved in workability at higher output.SOLUTION: According to one aspect of the present invention, there is provided an electric working machine for cutting a work target, the electric working machine including a working unit and a main body, the working unit being configured to cut the work target, the main body including a housing, a flow passage forming portion, a motor, and a control unit, the motor being configured to generate rotational power for driving the working unit, the control unit being configured to electrically control rotation of the motor, the flow passage forming portion forming an air flow passage including a first air flow passage and a second air flow passage, the first air passage communicates with an outside of the housing and is configured to allow outside air to flow to the motor via the control unit, and the second air passage communicates with the outside of the housing and is configured to allow outside air to flow directly to the motor.SELECTED DRAWING: Figure 1

The invention discloses a saw blade chuck structure and a jig saw comprising the same, and relates to the technical field of cutting tools, the saw blade chuck structure comprises a clamping seat, a clamping groove is formed in the end of the clamping seat, a saw blade is inserted into the clamping groove, a positioning unit is arranged on the clamping seat, and a limiting unit is arranged on the positioning unit; the positioning unit comprises two supports which are correspondingly arranged, one support is provided with a guide column, the guide column is movably sleeved with a limiting seat, the limiting seat is provided with limiting teeth, a positioning spring is arranged between the support and the limiting seat, and the end of the limiting seat is provided with a wedge-shaped block; the ratchet mechanism is matched with the limiting teeth and is used for positioning the saw blade; according to the saw blade assembly and disassembly device, quick disassembly and assembly of the saw blade are achieved, breakage of the root of the saw blade is effectively prevented, operation safety is ensured, in addition, when the saw blade assembly and disassembly device is used for a long time, the saw blade is prevented from deforming due to high temperature, and the service life of the saw blade is prolonged.

A power tool includes a transmission assembly configured to transmit power between a motor and an output assembly to drive an output shaft to oscillate back and forth; and an adjustment assembly for adjusting the transmission assembly. The adjustment assembly is configured to, when a load of the output shaft satisfies a preset value of the adjustment assembly, control the transmission assembly according to the load of the output shaft so that the transmission assembly adjusts an angle of oscillation of a work attachment.

Oscillatingly driven machine tool with a housing (12) in which a motor (26), a tool spindle (18) with a tool holder (31) for fastening a tool (20), and an oscillation drive (36) are accommodated, wherein the oscillation drive (36) is driven by the motor (26) and is coupled to the tool spindle (18) for the rotationally oscillating drive about its longitudinal axis (19), and with at least one controllable actuator (44, 46, 48, 50) in order to superimpose at least one movement component on the rotational oscillation movement of the tool spindle.

The invention relates to a saw blade (10), in particular a wood saw blade, for an oscillating multi-function tool (12) with at least one carrier (14) and with at least one cutting strip (16) arranged on the carrier (14), which is at least partially made of high-speed steel. It is proposed that the cutting edge (16) has a trapezoidal profile when projected parallel along a direction parallel to a principal extension plane of the support (14).

The utility model relates to a jig saw with an automatic adjusting function, which comprises a jig saw body, a saw blade arranged on the jig saw body, an adjusting mechanism arranged on the jig saw body and a cleaning component arranged on the jig saw body. The adjusting mechanism comprises two fixing plates which are fixedly connected with the bottom of the jig saw body, a motor is fixedly installed on the right side of the fixing plate on the right side, an output shaft of the motor is fixedly connected with a threaded rod, the outer side of the threaded rod is in threaded connection with a threaded block, and the top of the threaded block is fixedly connected with a sliding block. According to the jig saw with the automatic adjusting function, by arranging the adjusting mechanism, the jig saw has the angle adjusting function, the effect of adjusting the angle of the bottom plate is achieved, and therefore the angle of the bottom plate can be conveniently adjusted according to the field environment, the cutting effect and efficiency of the jig saw are conveniently improved, use by a user is facilitated, and the practicability is high. And the practicability of the jig saw is improved.

A surgical sagittal saw cartridge that includes a guide bar formed from an inner plate and opposed outer plates, the inner plate defining a head. The cartridge has a blade that is disposed against the head of the inner plate. The inner plate may comprise an inner tine and / or two opposed outer tines. The inner tine may be formed to define the head against which the blade is disposed. The outer tines may extend distally so as to define a space between the outer tines in which the blade is seated.

The present invention provides a cutting tool for surgical procedures. More specifically, the present invention provides a rotary surgical cutting tool which overcomes the disadvantages of prior art surgical cutting tools by providing a rotary cutting tool having straight flutes, with each side of the flute being provided with a cutting edge that permits cutting in both directions during limited oscillatory motion of the rotary surgical cutting tool. The areas between the cutting edges are provided with relief to reduce friction while the flute moves the cut material away from the cutting edges.