CHUCK WRENCH FOR DENTAL HANDPIECES.

摘要

A chuck wrench for dental handpieces in which the wrench has a unitary handle that may be easily gripped by a user for coupling the wrench to the head of a handpiece for adjusting the collet chuck thereof. The wrench includes a rigid shaft of non-circular cross section secured to the wrench body and at least one spring-loaded lug pin located alongside the shaft for keying the rotor of the handpiece to the handpiece cap.