Patent ID: 6382636
Filing Date: 2002-05-07
Classification: B23B,Y10S,Y10T

Abstract:
A drill/driver chuck mechanism including:a cylindrical member having a central bore and a plurality of further bores, such that the plurality of further bores are slanted with respect to the axis of the cylindrical member, and co-operate with the central axis bore; a plurality of jaws, each being associated with a respective one of the further bores and moveable therewithin; a jaw actuator, coupled to each of the jaws of the plurality, for moving the jaws within their respective further bores; and jaw locking means arranged to lock the jaws in a predetermined position within their respective bores, said jaw locking means includes a handle; the chuck mechanism characterized by the handle moving between an open position and a closed position and wherein, when the jaw locking means is in the open position the jaws are retracted within their respective bores and do not protrude within the central axis bore, and wherein, when the jaw locking means is in the closed position, the jaws are locked within their respective bores regardless of the degree of protrusion of the jaws into the central axis bore.