US PATENT SUBCLASS 403 / 121
.~.~ Rocking or rolling contact

Current as of: June, 1999
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403 /   HD   JOINTS AND CONNECTIONS

52  DF  ARTICULATED MEMBERS {13}
119  DF  .~ Pivoted {7}
121.~.~ Rocking or rolling contact

DEFINITION

Classification: 403/121

(under subclass 119) Structure wherein the bearing surfaces are in line contact with each other which line constitutes an instantaneous axis about which the members pivot.

SEE OR SEARCH CLASS

178, Telegraphy,

107, for a telegraph key mounted by means of a knife-edge pivot.