Patent ID: 6668941
Filing Date: 2003-12-30
Classification: B25B,B25F

Abstract:
A device for holding and driving a fastener into a work piece using a rotary drive apparatus and a tool bit configured for driving engagement with the fastener, the device comprising:a body defining an elongated bore therethrough, and further defining a forward stop surface at a front end and rearward stop surface at an opposite rear end of said elongated bore; a drive shaft rotatably disposed within said bore, and configured at one end for engagement to the tool bit and at an opposite end for engagement to the rotary drive apparatus; a guide tube having a portion slidably disposed within said bore and defining; a guide bore configured to slidably receive at least a portion of said drive shaft therethrough; a seating surface on said portion of said guide tube configured to abut at least one of said forward and said rearward stop surfaces of said elongated body; and a spring contact surface; and a spring element disposed within said bore and arranged between said spring contact surface of said guide tube and the other of said forward and rearward stop surfaces of said elongated body, wherein said guide tube defines an annular bore along a portion thereof, said annular bore defining said spring contact surface and sized to receive a portion of said spring element therein.