A power saw tool including a housing, a motor, and a reciprocating shaft. A blade clamp assembly is mounted to the reciprocating shaft and adapted for gripping a saw blade. The blade clamp assembly includes a main body defining a channel for engaging the saw blade. A latch arm is pivotally attached
A power saw tool including a housing, a motor, and a reciprocating shaft. A blade clamp assembly is mounted to the reciprocating shaft and adapted for gripping a saw blade. The blade clamp assembly includes a main body defining a channel for engaging the saw blade. A latch arm is pivotally attached to the main body and rotatable about a pivot axis. A locking catch extends from the latch arm and retains the saw blade within the channel. A latch release extends from the latch arm. An actuator is provided to selectively engage the latch release and permit removal of the saw blade from the blade clamp assembly. The power saw tool may include a speed limiter housed within the handle grip to delimit rearward travel of the trigger switch, thereby restricting the speed of the motor. The power saw tool may also include a rotatable shoe assembly.
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1. A power saw tool, comprising: a motor;a reciprocating mechanism coupled to motor, the reciprocating mechanism being adapted to drive a reciprocating shaft coupled to a saw blade; and a housing comprising a body portion and a handle portion, the body portion adapted to house the motor and reciproc
1. A power saw tool, comprising: a motor;a reciprocating mechanism coupled to motor, the reciprocating mechanism being adapted to drive a reciprocating shaft coupled to a saw blade; and a housing comprising a body portion and a handle portion, the body portion adapted to house the motor and reciprocating mechanism, the handle portion defining a handle grip adapted to house a trigger assembly, the trigger assembly comprising:a biased trigger button slidably movable in a first linear direction, the trigger button comprising a stop member, wherein displacement of the trigger button controls a variable speed operation of the motor; anda speed limiter housed within the handle grip and slidably movable with respect to the trigger button, the speed limiter comprising a base portion including an actuator button partially extending through the handle grip and a post extending from the base portion, the post cooperating with the stop members to delimit rearward travel of the trigger button, thereby restricting the speed of the motor;wherein the post comprises a plurality of step portions varying in thickness, each step portion delimiting rearward travel of the trigger button by a different amount. 2. The power saw tool of claim 1, further comprising an angled ramp area disposed between the step portions. 3. The power saw tool of claim 1, wherein the speed limiter is slidably movable in a second linear direction, the second linear direction being substantially perpendicular to the first linear direction. 4. A power saw tool, comprising: a motor;a reciprocating mechanism coupled to motor, the reciprocating mechanism being adapted to drive a reciprocating shaft coupled to a saw blade; anda housing comprising a body portion and a handle portion, the body portion adapted to house the motor and reciprocating mechanism, the handle portion defining a handle grip adapted to house a trigger assembly, the trigger assembly comprising: a biased trigger button slidably movable in a first linear direction, the trigger button comprising two stop members, each stop member extending from an opposing side of the trigger button, wherein displacement of the trigger button controls a variable speed operation of the motor; anda speed limiter housed within the handle grip and slidably movable with respect to the trigger assembly, the speed limiter comprising a base portion including a slider button partially extending through the handle grip and two spaced apart and parallel side posts extending from the base portion, the side posts being disposed adjacent to opposing sides of the trigger assembly and cooperating with the respective stop members to delimit rearward travel of the trigger button, thereby restricting the speed of the motor. 5. The power saw tool of claim 4, wherein the side posts comprise a plurality of step portions varying in thickness, each step portion delimiting rearward travel of the trigger button by a different amount. 6. The power saw tool of claim 5, further comprising an angled ramp area disposed between the step portions. 7. The power saw tool of claim 4, wherein the speed limiter is slidably movable in a second linear direction, the second linear direction being substantially perpendicular to the first linear direction. 8. The power saw tool of claim 7, wherein the trigger assembly further comprises at least one abutment member adapted to prevent the side posts from moving in the first linear direction. 9. The power saw tool of claim 4, wherein the trigger switch extends in an outward direction from an interior facing portion of the handle grip and the slider button extends in an outward direction from an exterior facing portion of the handle grip, opposite from the interior facing portion. 10. The power saw tool of claim 4, wherein the base portion and side posts of the speed limiter are substantially planar and non-flexible. 11. The power saw tool of claim 4, wherein the slider button extends from the base portion in a direction substantially perpendicular to the side posts. 12. A power saw tool, comprising: a motor;a reciprocating mechanism coupled to the motor, the reciprocating mechanism configured to drive a reciprocating shaft coupled to a saw blade; and a housing comprising a body portion and a handle portion, the body portion adapted to house the motor and the reciprocating mechanism;a trigger button configured to be actuated by a user and which controls a variable speed operation of the motor; anda speed limiter actuator configured to be actuated by a user, wherein operation of the speed limiter actuator changes the maximum speed at which the motor can be operated by the trigger button;wherein the handle has a longitudinal axis and comprises a first half along the longitudinal axis and a second half along the longitudinal axis;wherein the trigger button is located on the first half of the handle;wherein the speed limiter actuator is located on the second half of the handlewherein the speed limiter actuator actuates a speed limiter housed within the handle grip, the speed limiter being slidably movable with respect to the trigger button, the speed limiter comprising a base portion including an actuator button partially extending through the handle grip and a post extending from the base portion, the post cooperating with the stop members to delimit rearward travel of the trigger button; andwherein the post comprises a plurality of portions of varying thickness, the portions delimiting rearward travel of the trigger button by different amounts. 13. The power saw tool of claim 12, wherein the handle has an interior face which faces toward the body portion; wherein the trigger button is located on the interior face; andwherein the speed limiter actuator is located away from the interior face. 14. The power saw tool of claim 12, wherein the speed limiter actuator includes at least three distinct settings representing at least three speed settings. 15. The power saw tool of claim 12, wherein the speed limiter actuator is remote from the trigger button. 16. The power saw tool of claim 12, wherein operation of the speed limiter actuator varies a maximum displacement of the trigger button. 17. The power saw tool of claim 12, further comprising a stop portion coupled to and moveable with the trigger button; and a limiter stop coupled to and moveable with the speed limiter actuator;wherein the limiter stop abuts the stop portion to prevent further displacement of the trigger button. 18. The power saw tool of claim 17, wherein the speed limiter actuator is moveable to a plurality a positions corresponding to a plurality of speed settings; wherein the limiter stop comprises a plurality of setting portions, each setting portion corresponding to one of the plurality of speed settings and limiting maximum displacement of the trigger button a different amount. 19. The power saw tool of claim 12, wherein the handle has an interior face which faces toward the body portion; wherein the trigger button is located on the interior face; andwherein the speed limiter actuator is located on an exterior face which is opposite the interior face.
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이 특허에 인용된 특허 (63)
Feldmann Martin ; Roe Vance E., Adjustable stroke for a reciprocating saw.
Popik, Matthew George; Clowers, Earl Roger; Etter, Mark Alan; Mooty, Thomas Arnold; Lagaly, Michael Anthony; Nichols, Jr., James Pierce, Reciprocating saw having compact configuration and independent stability.
Lessig ; III William R. (Hunt Valley MD) Wheeler Dale K. (Fallston MD) Bailey ; Jr. R. Roby (Forest Hill MD) Smith Stephen W. (Raleigh NC), Variable speed trigger switch.
Lessig ; III William R. (Hunt Valley MD) Wheeler Dale K. (Fallston MD) Bailey ; Jr. R. Roby (Forest Hill MD) Smith Stephen W. (Raleigh NC), Variable speed trigger switch.
Lessig ; III William R. (Hunt Valley MD) Wheeler Dale K. (Fallston MD) Bailey ; Jr. R. Roby (Forest Hill MD) Smith Stephen W. (Raleigh NC), Variable speed trigger switch.
Klipfel, Sebastian; Fankhauser, Marcel, Hand-guided stroke-type saw having an untrue-running correction device, and method for correction of untrue running.
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