主权项 |
1. A reciprocating saw, comprising:
a body, a drive shaft mounted within the body for reciprocating movement along a first axis, the drive shaft including a free end extending out of said body and past a front end portion thereof, the drive shaft free end including a slot extending axially rearwardly therein and defining two drive shaft halves separated by the slot, a saw blade mounting block, the mounting block having a body portion which fits over said drive shaft, the mounting block body portion including an axial bore that receives at least a portion of said drive shaft therein, said mounting block further including a saw blade support portion integrally formed with said mounting block body portion, the saw blade support portion supporting a saw blade along a second axis spaced apart from the first axis, said mounting block body portion further including a retainer for retaining said mounting block body portion in place over said drive shaft, and a plate-shaped shim member interposed in said drive shaft slot and disposed within said mounting block body portion axial bore, said shim member extending in and completely filling said drive shaft slot in order to reduce the likelihood of damage to said drive shaft during operation of said saw. |