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Class Information
Number: 335/168
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Electromagnetically actuated switches > Latching means > With positive lock (against movement)
Description: Subject matter wherein the structure includes means whereby the latching mechanism is positively locked or prevented from actuation from a first condition to a second condition while the locking means is operative.

Patents under this class:

Patent Number Title Of Patent Date Issued
8471654 Circuit protection device and flux shifter for a circuit protection device Jun. 25, 2013
8258901 Energy-saving electromagnetic switch device Sep. 4, 2012
8183962 Leakage protective plug May. 22, 2012
8143980 Switching device Mar. 27, 2012
8138861 Inertial catch for an automatic transfer switch power contractor Mar. 20, 2012
7978032 Locking mechanism for protecting a ground fault circuit interrupter from faulty resetting Jul. 12, 2011
7817001 Actuating device having means for blocking movements Oct. 19, 2010
7268654 Circuit breaker latching mechanism Sep. 11, 2007
6677842 Load disconnecting switch especially for use in motor vehicles Jan. 13, 2004
6628185 Blade assembly for a circuit breaker Sep. 30, 2003
6437670 Magnetic release system for a circuit breaker Aug. 20, 2002
6232860 Armature for latching a circuit breaker trip unit May. 15, 2001
5290982 Circuit breaker with positive on/off interlock Mar. 1, 1994
5213206 Circuit breaker with positive on/off interlock May. 25, 1993
5184717 Circuit breaker with welded contacts Feb. 9, 1993
5165532 Circuit breaker with interlock for welding contacts Nov. 24, 1992
RE33400 Circuit breaker Oct. 23, 1990
4789848 Molded case circuit breaker latch and operating mechanism assembly Dec. 6, 1988
4701733 Power supply circuit including a trip-switch, and an electrical outlet Oct. 20, 1987
4628289 Latching relay Dec. 9, 1986
4595895 Circuit breaker Jun. 17, 1986
4490702 Detachable device for locking a contactor in its "on" position Dec. 25, 1984
4394648 Brush wear detector system with latching relay Jul. 19, 1983
4314217 Locking device Feb. 2, 1982
4305054 Electric switch with kick-off attachment Dec. 8, 1981
3936780 Safety device with thermal and electromagnetic release for a multi-contact circuit-breaker Feb. 3, 1976

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