US PATENT SUBCLASS 335 / 117
.~.~.~.~ With operational mode-varying means


Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
106  DF  .~ Multiple contact type {5}
107  DF  .~.~ Contacts-selectively, sequentially, alternately, or intermittently actuated {3}
108  DF  .~.~.~ Automatic telephone type {7}
117.~.~.~.~ With operational mode-varying means


DEFINITION

Classification: 335/117

(under subclass 108) Subject matter wherein the structure comprises means whereby the wiper or contact selector is caused to be advanced in steps of different lengths or intervals covering variable numbers of terminals or contacts. The structure included here includes devices having a single operating mechanism for moving a brush set in one direction in steps of one length and in another direction in steps of another different length.