US PATENT SUBCLASS 168 / 36
.~.~ Hooked lug and pin

Current as of: June, 1999
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168 /   HD   FARRIERY

29  DF  CALKS {2}
31  DF  .~ Removable {8}
36.~.~ Hooked lug and pin

DEFINITION

Classification: 168/36

Calks or shoes provided with one or more hooked or undercut lugs which enter an undercut socket and are forced laterally into engagement. They are then locked by a pin which enters the shoe and the calk.