35results about "Power driven reciprocating saws" patented technology

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.

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.

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.

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.

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.

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.

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 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.

This utility model discloses a reciprocating saw with smooth operation, aiming to solve the technical problems of existing reciprocating saws with an open working area, which generates a large amount of flying sawdust when cutting wood. Specifically, the high-speed moving saw blade scatters the sawdust into the working area in a scattering manner, obstructing the view and increasing the risk of misoperation; sawdust accumulates in the cutting kerf, not only reducing cutting efficiency but also potentially causing the saw blade to overheat or even be damaged; and polluting the working environment and increasing cleaning costs. The invention includes a reciprocating saw housing, a saw blade and a baffle connected to the front end of the reciprocating saw housing, and dust collection components located on both sides of the reciprocating saw housing near the front end. The dust collection components include a metal hose, a dust collection head connected to one end of the metal hose, and a hose connector detachably connected to the other end of the metal hose; the hose connector is integrally formed and connected to the reciprocating saw housing; the dust collection head is detachably connected to a vacuum cleaner hose.

The invention relates to a tool clamping device (10) for an oscillating multi-function tool (12), with at least one tool locking unit (14) and with at least one actuating unit (16) for securing a tool (18) to or releasing the tool (18) from the tool locking unit (14) and with at least one damping element (20) that is arranged between the actuating unit (16) and the tool locking unit (14). It is proposed that the damping element (20) be designed as an elastomer.

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 by an actuator assembly. The actuator assembly configured to move the tool support relative to the hand-held portion in a plurality of degrees of freedom. The robotic instrument may include a shroud coupled to and extending between the tool support and the hand-held portion. The shroud may comprise a crease formed between the hand-held portion and the tool support, the crease defining a plane configured to be displaced when the tool support is manipulated relative to the hand-held portion. The plane providing a visual indication of a pose of the tool support relative to the hand-held portion.

The utility model relates to clamping structure technical field discloses a single hand clamps curve saw blade clamping structure of saw blade of curve saw, including handle, the handle right -end surface sleeve joint has the sleeve, through the saw blade press into the assembly groove, utilize torsion spring drive assembly seat and the sleeve ring rotate, and make assembly seat rotate friction through arc block and fixed block, and make slide bar slip into the sleeve, extrude spring simultaneously, then assembly seat makes extrusion extrusion ball in assembly seat while rotating, to make two sets of clamping block clamp saw blade to reach the purpose of saw blade clamping, simultaneously again through the push sleeve ring, make sleeve ring synchronous drive assembly seat rotate on the sleeve, and make arc block and fixed block rotate, and make assembly seat drive extrusion ball rotate to with extrusion groove alignment, at this time again through spring push slide bar reset sliding in the sleeve, and make assembly groove push saw blade and eject from assembly seat, to be convenient for staff single hand to saw blade clamping.

A tool clamping device for an oscillating multifunction tool includes (i) at least one tool mounting unit, (ii) at least one actuation unit to secure a tool or release the tool from the tool mounting unit, and (iii) at least one damping element arranged between the actuation unit and the tool mounting unit. The dampening element is formed as an elastomer.

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 handheld cutting tool (1) is disclosed, comprising: a cutting member (3) configured to reciprocate along a reciprocating motion axis (Ra); and a power source (5) configured to provide power to the cutting member (3). The cutting tool (1) further comprises: a body portion (2) including a handle (6, 6'); and a tool portion (4) including the cutting member (3) and a first abutting member (10) having a first abutting surface (10') configured to abut against an object (30) during cutting of an object (30) using the cutting member (3). The tool portion (4) is pivotally attached to the body portion (2) about a pivot axis (Pa).

An oscillating power tool has a housing including a handle portion defining a handle axis and a head portion defining an output axis that is perpendicular to the handle axis. The head portion includes a front face intersected by the handle axis. A drive mechanism includes an output shaft configured to oscillate about the output axis in a rotational manner in response receiving torque from a motor. A lighting assembly is configured to illuminate a workpiece in front of the head portion of the housing. The lighting assembly includes a lens arranged on the front face of the housing, a holder coupled to the lens, a plurality of printed circuit boards supported by the holder, and an LED arranged on each of the printed circuit boards. In response to being activated, the LEDs are configured to project a wide-angle beam of light through the lens.

The invention belongs to the technical field of decoration engineering, and discloses a table type jig saw capable of preventing plate vibration and a pressurizing structure, in particular to a table type jig saw capable of preventing plate vibration, which comprises a supporting assembly, a working table is connected to the supporting assembly, and a saw blade is arranged on one side, far away from the ground, of the working table. The supporting assembly comprises a base, connecting arms are connected to the base, the workbench is located between the connecting arms, connecting cavities are formed in the connecting arms, connecting assemblies are movably arranged in the connecting cavities, and limiting assemblies are connected to the ends, away from the ground, of the connecting arms. The supporting assembly, the workbench and the air pressure shock absorber form a cooperative shock absorption system, the base and the connecting arm provide stable support for the workbench, the air pressure shock absorber absorbs vibration and impact generated in the cutting process through compressed air, and transmission of vibration to a plate and other parts of the device is reduced.

To provide a system including a robotic instrument for use with a tool.SOLUTION: The robotic instrument comprises a hand-held portion 16 for being held by a user and a tool support 18 movably coupled to the hand-held portion for supporting a tool. The robotic instrument further includes an actuator assembly 400 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 can include a handle alignment member 904 extending from the hand-held portion. When the tool support has an optimal range of motion relative to the hand-held portion, at least a portion of the handle alignment member and a tool plane BP defined by the tool are aligned.SELECTED DRAWING: Figure 74

The invention relates to the technical field of building material cutting, in particular to building construction material fixed-distance ring cutting equipment which comprises a calibration clamping mechanism, a cutting distance regulation and control mechanism installed on the calibration clamping mechanism, an energy supply mechanism installed between the calibration clamping mechanism and the cutting distance regulation and control mechanism and a fret saw in transmission connection to the energy supply mechanism. The calibration clamping mechanism comprises a protective cover, two studs are fixedly installed on the protective cover, and a bearing base plate is installed on the two studs. A calibration clamping mechanism is inserted into the outer portion of a steel bar or wood exposed on concrete, a rotary reciprocating lead screw is used for pushing a ring sleeve and two force arms to oppositely stretch, finally, two clamping bases and a plurality of longitudinal rollers can rapidly center and clamp the steel bar or wood, an energy supply mechanism is used for assisting a rotating fret saw to rotate at a high speed, and at the moment, the steel bar or wood can be rapidly clamped. The reinforcing steel bar or wood located in the middle of the protective cover can be rapidly and safely cut off, and the flatness of a notch of the reinforcing steel bar or wood is further improved.

Oscillating machine tool saw table for an oscillating power tool (12), with a table surface (14) provided for supporting a workpiece (16), wherein a linear guide unit (18) is provided, which has at least one guide carriage (22) movable translationally in a feed direction (20) with a bearing unit (24) provided for supporting a mounting unit (26) of the power tool (12), characterized in that the bearing unit (24) is provided for receiving the mounting unit (26) of the power tool (12) in a receiving direction (28) that is at least substantially perpendicular to the feed direction (20), wherein a bearing device (46) pivotably supports two stop rulers (48) arranged on the table surface (14) about an axis (50) that is at least substantially perpendicular to the table surface (14), wherein the bearing device (46) has a cam control (52) which is provided forto couple a pivoting movement of the stop rulers (48) symmetrically to an angle bisector (54) of the stop rulers (48).

The utility model discloses a jig saw which comprises a shell and a reciprocating motion mechanism. The shell is provided with a mounting cavity. The reciprocating motion mechanism is arranged in the installation cavity and comprises a crank and a reciprocating shaft which are connected, the crank is connected to the output end of the motor, and the jig saw further comprises an installation base and a locking structure. The mounting seat is arranged at one end of the reciprocating shaft, and a clamping cavity is formed in the mounting seat and used for containing the saw blade. The locking structure is rotatably connected to the mounting seat, and the locking structure is provided with a first abutting surface. Wherein the jig saw has a clamping state and a loosening state, and when the loosening state is converted into the clamping state, the locking structure rotates in the first direction so as to drive the first abutting face to make the saw blade abut against the interior of the clamping cavity. When the clamping state is converted into the loosening state, the locking structure rotates in the direction opposite to the first direction so as to drive the first abutting face to be separated from the saw blade. According to the technical scheme, the jig saw has the advantages that the clamping mechanism of the jig saw is simple and convenient to mount and dismount.

To provide an auxiliary base which can further improve stability during cutting of a jig saw as necessary, and a jig saw with the same.SOLUTION: An auxiliary base 1 can be attached to a base part 6 of a jig saw J which can contact a workpiece W. The auxiliary base 1 includes a second protrusion 116 as a contactable part that can contact the workpiece W when the auxiliary base is attached. The jig saw J includes a body part 2. The body part 2 is tiltable in a right and left direction relative to the base part 6. The auxiliary base 1 is attached to the base part in which an auxiliary width WA that is a distance from the second protrusion 116 to a center of the base part 6 in the right and left direction is larger than a width WB of the base part 6 in the right and left direction.SELECTED DRAWING: Figure 2

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 accessory for an oscillating power tool includes an attachment portion configured to be coupled to an oscillating power tool and a working portion extending generally along a longitudinal axis. The working portion has a rear end portion coupled to the attachment portion, a front cutting edge opposite the rear end portion, a first side edge extending from the front cutting edge to the rear end portion, and a second side edge opposite the first side edge and extending from the front cutting edge to the rear end portion. The working portion includes an at least partially curved surface that contains the longitudinal axis. At least a portion of the first side edge includes a first side cutting edge portion.

Title: Straw Block Cutting System The invention relates to a straw block cutting system, comprising: - a straw block (10) processing channel (11) having a floor (12) and two side walls (13) extending perpendicularly to the floor (12), the processing channel (11) defining a processing direction (110) for a straw block (10); - a device for continuously pushing straw blocks (10) into the processing channel (11); - cutting units, including a central unit (31) and two side units (32), the cutting units comprising oscillating blades (33) extending parallel to each other and transversely to the floor (12), the cutting units being located along the processing direction (110), downstream of a front end (131) of the side walls (13) along the processing direction (110). Figure for the abstract: Fig. 1

A method of using an oscillating accessory with an oscillating power tool may include providing an attachment member. The attachment member may include an attachment plate, a raised rim portion extending from the attachment plate, the raised rim having a central recess, a keyed sidewall with an at least partially star shape configured to be engaged by a first mating geometry of an oscillating power tool, and a top wall that includes a receiving portion having a plurality of recesses configured to be engaged by a second mating geometry of an oscillating power tool. The central recess may not be in communication with any of the plurality of recesses. The attachment member may be used to facilitate tool-free attachment of a working portion to the oscillating power tool via a clamp assembly having a first clamp member moveable relative to a second clamp member without use of a secondary tool.

The utility model relates to the technical field of wood-working machinery, in particular to vertical fretsaw cutting equipment, which comprises a supporting and collecting component, a cutting component and a driving component, the cutting component is mounted above the supporting and collecting component, the driving component is used for driving the cutting component to perform cutting action, and the cutting component comprises a lifting block, a driving component and a driving component, the lifting block is arranged on the driving part, and the driving part is used for driving the lifting block to vertically move; the fixed rod is fixedly mounted on the side wall of the lifting block; the vertical saw blade is mounted in a saw blade insertion hole formed in the bottom end of the lifting block, and a first mounting hole is formed in the vertical saw blade; the pressing block is arranged on the fixing rod in a sliding manner; a quick replacement mechanism composed of the pressing block, the spring, the limiting insertion block and the like is adopted, no tool assistance is needed, the saw blade can be quickly released and fixed only by pulling the pressing block, operation is easy, convenient and quick, saw blade replacement time is greatly saved, and working efficiency is improved.