| 摘要 |
A table saw includes a movable rip fence and a base including an upper cutting surface through which a blade extends. The rip fence includes front and rear clamping mechanisms connected to front and rear ends of a casing respectively. The front clamping mechanism includes a frame, a lever pivotably secured to the frame to be pivotal between a locked position and a released position, the lever having an internal cam member, a clamping member pivotably secured to the lever, the clamping member having a hook at an open end, a spring biased shaft, and a C-clip for retaining an inner end of the shaft in the frame. A pivotal movement of both the lever and the clamping member causes the cam member to push the shaft inward until the shaft is pushed outward to urge against the cam member in the locked position. |
| 主权项 |
1. A table saw having a movable rip fence, the table saw comprising:
a base including an upper cutting surface through which a blade extends; a front rail and a rear rail disposed on a front edge and a rear edge of the upper cutting surface respectively; and an adjustment wheel mounted on a front surface of the base; wherein the rip fence comprises: an elongated casing having a front end and a rear end; a front clamping mechanism connected to the front end of the elongated casing and including a frame member, a lever member pivotably secured to the frame member to be pivotal between a locked position and a released position, the lever member having an internal cam member, a clamping member pivotably secured to the lever member, the clamping member having a hook at an open end, a spring biased shaft, and a C-clip for retaining an inner end of the spring biased shaft in the frame member; and a rear clamping mechanism connected to the rear end of the casing and including a frame element, a lever element pivotably secured to the frame element to be pivotal between a locked position and a released position, and a clamping element pivotably secured to the lever element, the clamping element having a hook at an open end; wherein for the front clamping mechanism to be in the locked position, the spring biased shaft engages the internal cam member; and a pivotal movement of both the lever member and the clamping member causes the internal cam member to push the spring biased shaft inward until the inner end of the spring biased shaft is stopped by the frame member, the hook of the clamping member is secured to a bottom of the front rail, the lever member is about oriented downward, the spring biased shaft is pushed outward to urge against the internal cam member, and the spring biased shaft is disengaged from the frame member at the end of the pivotal movement; and wherein for the rear clamping mechanism to be in the locked position, a pivotal movement of both the lever element and the clamping element from the released position of the rip fence causes the hook of the clamping element to secure to a bottom of the rear rail and causes the lever element to be oriented about downward, thereby locking the rear clamping mechanism. |
