US PATENT SUBCLASS 200 / 455
.~.~.~.~ Having roller contact

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

402  DF  SNAP {4}
405  DF  .~ Double snap {17}
453  DF  .~.~ Compression spring (e.g., push force) {2}
454  DF  .~.~.~ Both ends of spring move {4}
455.~.~.~.~ Having roller contact

DEFINITION

Classification: 200/455

Having roller contact:

(under subclass 454) Subject matter including a spherical or cylindrical-type contact.

(1) Note. Included in this subclass are devices which utilizes a track for the roller rather than a pivoted link. In these cases the pivot point is taken to be the center of curvature of the track.