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Class Information
Number: 200/400
Name: Electricity: circuit makers and breakers > Contact moved by sudden release of stored energy, (e.g., spring charger)
Description: Subject matter wherein the switch device includes (a) means to stress a spring device, (b) a latching device for holding the stressed spring from operating after being stressed, and (c) an actuating device to release the stored energy of the spring to open or close a circuit.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8680409 Electric switch Mar. 25, 2014
8680414 Spring operated switch actuator with damper for an electrical switching apparatus Mar. 25, 2014
8669485 Reversal prevention of a stored energy mechanism in an electrical switching apparatus Mar. 11, 2014
8664556 Switch device operating mechanism Mar. 4, 2014
8642907 Electrical switching apparatus and opening assembly therefor Feb. 4, 2014
8642905 Charging assembly with over rotation control and electrical switching apparatus employing same Feb. 4, 2014
8624145 Indicator device of a circuit breaker Jan. 7, 2014
8614087 Multiple-analyte assay device and system Dec. 24, 2013
8610014 Electrical switching apparatus, and stored energy assembly and energy storage and release control mechanism therefor Dec. 17, 2013
8592706 Charging handle apparatus and switchgear apparatus Nov. 26, 2013
8587392 Permanent magnet MOC latch for seismic qualification Nov. 19, 2013
8563887 Electrical switching apparatus and trip latch assembly therefor Oct. 22, 2013
8519290 Non-homogeneous cam, and operating mechanism and electrical switching apparatus including the same Aug. 27, 2013
8487202 Mechanical latching unit for a main drive unit Jul. 16, 2013
8481880 Drive system for electrical switching devices Jul. 9, 2013
8461469 Drive apparatus for a tensioning shaft of a spring energy drive of an electric switch and electric switch with such a drive apparatus Jun. 11, 2013
8448539 Spring operation device and method for assembling the same and switching device May. 28, 2013
8420969 Switchgear and switchgear operating mechanism Apr. 16, 2013
8410386 Cam disk and spring excursion switch for a stored-energy spring mechanism and stored-energy spring mechanism Apr. 2, 2013
8395067 Switchgear and switchgear operating mechanism Mar. 12, 2013
8378245 Electrical switching apparatus, and handle assembly and push-to-trip mechanism therefor Feb. 19, 2013
8338732 Spring operated actuator for an electrical switching apparatus Dec. 25, 2012
8330065 Switchgear and switchgear operating mechanism Dec. 11, 2012
8319132 Load-break switch Nov. 27, 2012
8319133 Electrical switching apparatus and charging assembly therefor Nov. 27, 2012
8309871 Apparatus for controlling electrical switchgear Nov. 13, 2012
8264306 Movable contactor assembly for current limiting type molded case circuit breaker Sep. 11, 2012
8253517 Full-protection circuit breaker Aug. 28, 2012
8242399 Operating mechanism with adjustment of contact force Aug. 14, 2012
8237523 Relay with snap action spring Aug. 7, 2012
8217290 Electrical switching apparatus, and charging assembly and charging handle therefor Jul. 10, 2012
8217291 Electrical switching apparatus and status indicating assembly therefor Jul. 10, 2012
8203088 Electrical switching apparatus and close latch interlock assembly therefor Jun. 19, 2012
8198561 Switching mechanism for a switching device having a switching lever which remains in an intermediate switch position when a contact element is welded and when an opening operation is carried o Jun. 12, 2012
8183485 Circuit breaker having automatic release linkage May. 22, 2012
8183486 Spring arrangement for spring drive unit and spring drive unit comprising spring arrangement May. 22, 2012
8168907 Switch mechanism for a power cutter May. 1, 2012
8124901 Energy storage mechanism for switching device Feb. 28, 2012
8119942 Circuit breaker having delaying function for rotation of cam Feb. 21, 2012
8115129 Switching device Feb. 14, 2012
8110762 Low-voltage device with reinforced rotating element Feb. 7, 2012
8093524 Electrical switchgear unit such as a circuit breaker or switch Jan. 10, 2012
8089016 Circuit breaker, in particular for low voltages Jan. 3, 2012
8063328 Electrical switching apparatus and charging assembly therefor Nov. 22, 2011
8058580 Electrical switching apparatus and linking assembly therefor Nov. 15, 2011
8049126 Self-adjusting plug-in line terminal Nov. 1, 2011
8039770 Movable contact arm and crossbar assembly and electrical switching apparatus employing the same Oct. 18, 2011
8017881 Side entry circuit breaker Sep. 13, 2011
7985936 Apparatus for indicating closing operable state for air circuit breaker and air circuit breaker having the same Jul. 26, 2011
7977595 Automatic discharging apparatus for closing spring in air circuit breaker and air circuit breaker having the same Jul. 12, 2011

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