Patent ID: 7207245
Filing Date: 2007-04-24
Classification: B25B,F16D

Abstract:
1. A tool, comprising: a first handle and a second handle, each handle extending from a gripping end portion to a working end portion, the first handle having first screw threads disposed circumferentially about an inner portion of a first through-hole at the working end portion thereof, the second handle having second screw threads disposed circumferentially about an inner portion of a second through-hole at the working end portion thereof, the first and second respective through-holes being disposed concentrically about a common axis of the working end portions; a first screw lock and a second screw lock disposed substantially concentrically with the first and second respective through-holes, the first screw lock having a plurality of locking/unlocking screw threads for engaging the first screw threads of the first handle, the second screw lock having a plurality of locking/unlocking screw threads for engaging the second screw threads of the second handle; and a locking clutch drive, disposed substantially concentrically with the first and second respective through-holes, which engages the first screw lock and the second screw lock; wherein the first handle and the second handle are selectively operable at their gripping end portions by a user using a single hand to activate the first and second screw locks to lock the locking clutch drive for rotation about the common axis of their working end portions.