US PATENT SUBCLASS 470 / 77
.~.~.~.~ And lever closer

Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

57  DF  APPARATUS FOR MAKING EXTERNALLY THREADED FASTENER OR ARTICLE, E.G., SCREW, BOLT, ETC. {2}
58  DF  .~ Screw fastener making {6}
66  DF  .~.~ Having thread cutting means {8}
73  DF  .~.~.~ Having collapsible die {4}
77.~.~.~.~ And lever closer {1}
78  DF  .~.~.~.~.~> Cone type

DEFINITION

Classification: 470/77

And lever closer:

(under subclass 73) Subject matter wherein the elements are mounted to interact with a device in the form of a generally long slender body pivotable about a fixed fulcrum, i.e., a lever, such that movement of the lever causes the elements to open or close allowing for the insertion or removal of the fastener.

SEE OR SEARCH CLASS

279, Chucks or Sockets,

119, for similar lever operated chucks or sockets.