.~.~ And locking means for retaining body parts in adjusted position
DEFINITION
Classification: 446/378
And locking means for retaining body parts in adjusted position:
(under subclass 376) Device including distinct means for selectively holding the two portions in a fixed relative position or releasing them for relative movement.
SEE OR SEARCH CLASS
403, Joints and Connections,
83+, for articulated members lockable at fixed positions.