US PATENT SUBCLASS 269 / 23
.~ With safety means
Current as of: June, 1999
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DEFINITION
Classification: 269/23
(under subclass 20) Device including means operable to (A) cease the continued application of fluid pressure, (B) cease jaw* movement, (C) insert blocking means between opposed jaws, or (D) any combination of (A), (B), and/or (C); such means may be dormant, movable or activated by a condition (such as the absence of a workpiece in the work holder) to prevent injury to a worker, and/or to avoid damage to the material being treated or the work holder itself.
SEE OR SEARCH THIS CLASS, SUBCLASS:
257+, for patents to holder jaw features which may prevent the work from being damaged by the jaw.
SEE OR SEARCH CLASS
100, Presses,
53, for patents to a press including safety means.
