US PATENT SUBCLASS 269 / 160
.~.~ Spring coil around actuating screw

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


269 /   HD   WORK HOLDERS

86  DF  RELATIVELY MOVABLE JAWS {25}
157  DF  .~ With means to bias jaw(s) toward nonholding position {5}
160.~.~ Spring coil around actuating screw

DEFINITION

Classification: 269/160

(under subclass 157) Device wherein the resilient means consists of an elastic helical element embracing a threaded cylindrical member forming part of a screw-nut actuating means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

240+, for patents to a holder using a screw-nut actuating means.