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Class Information
Number: 200/318
Name: Electricity: circuit makers and breakers > Electric switch details > Latches
Description: Subject matter, wherein a latch or detent device is utilized for holding the contacts of a switch in a desired position. The contacts are usually latched in circuit-closing position to prevent accidental opening, however; the contacts may also be latched in a circuit-opening position, or in both a circuit-closing and a circuit-opening position. The latch is usually released by hand or some other physical means when desired.










Sub-classes under this class:

Class Number Class Name Patents
200/321 Manually operated latching means 96
200/318.1 Mechanism to hold push button down 24
200/320 Plural latches 21
200/327 Positioning or stop member 41
200/323 Self-operating latching means 33
200/319 Shockproof 5


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8563887 Electrical switching apparatus and trip latch assembly therefor Oct. 22, 2013
8487202 Mechanical latching unit for a main drive unit Jul. 16, 2013
8420969 Switchgear and switchgear operating mechanism Apr. 16, 2013
8404986 Manual drive for a tap changer for tap-changing transformers Mar. 26, 2013
8395067 Switchgear and switchgear operating mechanism Mar. 12, 2013
8330065 Switchgear and switchgear operating mechanism Dec. 11, 2012
8324519 MEMS switch with latch mechanism Dec. 4, 2012
8138866 Rotary actuator with magnetically generated haptics Mar. 20, 2012
8106317 Rotary control device Jan. 31, 2012
7973622 Apparatus for auxiliary contact of circuit breaker Jul. 5, 2011
7893802 Position switch Feb. 22, 2011
7772513 Switchgear and switchgear operating mechanism Aug. 10, 2010
7723628 Remotely configurable control lever May. 25, 2010
7605335 Position switch Oct. 20, 2009
7541553 Actuating device with push buttons Jun. 2, 2009
7528334 Circuit breaker-contactor with a piezo-electric controlled locking May. 5, 2009
7449653 Positive resetting close latch for closing electrical switching apparatus Nov. 11, 2008
7442891 Electrical socket with latching mechanism Oct. 28, 2008
7217897 Backpanel insertion switch May. 15, 2007
7018702 Component Mar. 28, 2006
6924446 Circuit breaker including a latchable cradle and a cross bar adapted to move in an arcuate path away from primary and secondary latches Aug. 2, 2005
6870113 Latching mechanism for locking a spring energy store Mar. 22, 2005
6753490 Ambidextrous switch lockout system Jun. 22, 2004
6730867 Electrically operated ratcheting pawl latch May. 4, 2004
6621020 Breaking mechanism for circuit breaker Sep. 16, 2003
6608265 Switch box for vehicle door lock device Aug. 19, 2003
6600119 Position indicating devices and position locking devices for power circuit breaker systems Jul. 29, 2003
6586693 Self compensating latch arrangement Jul. 1, 2003
6489577 Electrically operating apparatus for circuit breaker Dec. 3, 2002
6483053 Lock switch apparatus Nov. 19, 2002
6479770 Electrical switch Nov. 12, 2002
6472625 Piezo ceramic operated mechanism Oct. 29, 2002
6448521 Blocking apparatus for circuit breaker contact structure Sep. 10, 2002
6437261 Interlock for use in an electric motor handle and contactor combination Aug. 20, 2002
6433290 Trip indicator including latch for a circuit breaker Aug. 13, 2002
6404354 Rotary controller for electrical or electronic apparatuses Jun. 11, 2002
6384356 Switch with snap-action closure May. 7, 2002
6252186 Insertable and retractable switching device comprising a blocking bar which prevents wrong operation Jun. 26, 2001
6229106 Circuit breaker movement structure with three position locking mechanism May. 8, 2001
6222284 Multiphase power supply with series connected power cells with failed cell bypass Apr. 24, 2001
6201199 Button lock mechanism for handheld device Mar. 13, 2001
6072131 Device for the actuation of at least one switch with reinforced safety Jun. 6, 2000
6031195 Latching mechanism for an electrical overload protection switch, in particular for a motor-protection circuit breaker Feb. 29, 2000
5969312 Ambidextrous powers-switch lock-out mechanism Oct. 19, 1999
5941371 Electrical switch with latching manual/automatic reset Aug. 24, 1999
5886603 Electrically controlled tripping mechanism Mar. 23, 1999
5829282 Control lever lock assembly Nov. 3, 1998
5819916 Two-position latching two dome switch Oct. 13, 1998
5777284 Safety switch assembly with a latch mechanism Jul. 7, 1998
5758762 Electrical switch Jun. 2, 1998

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