Patent ID: 6616133
Filing Date: 2003-09-09
Classification: B25B

Abstract:
A linear actuator comprising:an elongated member having opposite ends wherein one of said opposite ends is connectable to a piston and the other of said opposite ends is connectable to a linkage assembly of a clamp, wherein said elongated member is adjustable along a longitudinal axis of said elongated member; cam means, coupled to said elongated member, for releasably locking said elongated member into a pre-determined position along said longitudinal axis; and wherein said releaseable cam means provides a cam having an aperture extending therethrough for receiving a first portion of said elongated member, and said cam movably coupled to a second portion of said elongated member between a locked position, wherein said cam cooperatively engages said first portion of said elongated member to lock said elongated member into said predetermined position, and in unlocked position, wherein said cam disengages said first portion of said elongated member to freely adjust said elongate along its longitudinal axis.