Patent ID: 8292001
Filing Date: 2012-10-23
Classification: B23B,B25D

Abstract:
1. A multi-mode drill comprising: a housing having a motor including an output member; an output spindle journaled in the housing; a transmission disposed in the housing and operably coupling the output member to the output spindle; a mode collar rotatably mounted on the housing and encircling the rotary output spindle and movable between a plurality of positions including a first mode collar position corresponding to a first mode of operation and a second mode collar position corresponding to a second mode of operation, the mode collar defining a cam surface; a cam follower biased against the cam surface, the cam follower having a first cam follower position resulting from the mode collar being in the first mode collar position and a second cam follower position resulting from the mode collar being in the second mode collar position; an electronic switch having a movable member biased to an outward position by a switch spring member; an actuation spring member operably mounted between the cam follower and the movable member of the electronic switch; and wherein when the cam follower is in the first cam follower position, the actuation spring member provides a biasing force that is sufficient to overcome a biasing force of the switch spring member to thereby actuate the movable member of the switch, and when the cam follower is in the second cam follower position, the actuation spring member provides a biasing force that is insufficient to overcome a biasing force of the switch spring member to thereby permit the switch spring member to move the movable member into an unactuated position.