Combination power tool

Details Combination power tool Combination power tool

B - Operations, Transporting

23

B

77/17

B23B 45/00 (2006.01) B25B 21/00 (2006.01) F16D 43/02 (2006.01)

Patent

CA 1090624

ABSTRACT A combination power tool has a housing defining a bore with an annular bearing member mounted in the bore. A first clutch is rotat- ably mounted in the housing and a second clutch is rotatably mounted in the annular bearing member and movable relative to said first clutch be- tween a first position whereat the second clutch firmly engages the first clutch and a second position whereat the second clutch is disengaged from the first clutch. A spring biases the second clutch into its second posi- tion. The annular bearing member is movably mounted in the bore for engaging the second clutch member to counteract the urging force of the spring and to displace the second clutch from the second position into the first position. A face cam formed on the annular bearing member and a cam follower is located on the housing for coacting with the face cam to guide the annular bearing member when the same is moved along the bore to bring the second clutch into its first position. An annular collar mounted on the annular bearing member and spring loaded detent pins coact to hold the annular bearing member in place when the same has been moved along the bore and the second clutch is in its first posi- tion. The cam arrangement permits the operator of the tool to quickly shift the tool from one mode to the other mode of operation simply by rotating the annular bearing member through a small angle.

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