US PATENT SUBCLASS 335 / 46
.~.~ With contact rebound or other undesirable motion prevention 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}
6  DF  .~ Automatic circuit-interrupting devices (e.g., circuit-protective devices) {12}
46.~.~ With contact rebound or other undesirable motion prevention means

DEFINITION

Classification: 335/46

(under subclass 6) Subject matter wherein the interrupting device includes significant structure whereby (1) rebound of the contacts upon opening or closing (2) any undesirable actuation of the contacts from one condition to another, either in response to abnormal circuit conditions or by jar or shock, is prevented, or (3) whereby the operating mechanism may be positively locked against undesirable circuit opening and/or closing movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157+, for other electromagnetically actuated switches with locking or holding means.

193, for significant contact actuating structure with vibration, bounce or chatter prevention means.

271, for electromagnet with armature mounting means with bounce or vibration preventing means.

277, for electromagnet with armature with shock absorption, vibration or bounce preventing means in general.