Joints and connections – Manually releaseable latch type – Spring biased manipulator
Patent
1996-11-14
1998-09-08
Knight, Anthony
Joints and connections
Manually releaseable latch type
Spring biased manipulator
403321, 403374, 403109, 81320, 81325, 606142, B25G 312
Patent
active
058036490
ABSTRACT:
A locking mechanism useful in various microsurgical, laproscopic and endoscopic surgical instruments includes a lock body which is linearly movable between a locked and an unlocked position, and a plate having a slot through which a linkage rod or the like passes. The slot includes a larger diameter portion through which a linkage rod or the like can freely pass when the lock body is in the unlocked position, and a relatively narrow section which restricts or prevents movement of the rod in one direction when the lock body is in the locked position. The slotted plate is free to pivot between an angle wherein the linkage rod is engaged by the edges of the narrow portion of the slot and thus wedged against movement, and a second angle wherein the rod is not engaged by the edges of the narrow portion of the slot, wherein by linkage rod can be moved through the lock body in one direction, but not in the opposite direction.
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Knight Anthony
Miller William L.
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