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Class Information
Number: 200/50.1
Name: Electricity: circuit makers and breakers > Interlocking > Between switches and housing > Lid-controlled
Description: Subject matter wherein the interlocking means is controlled by a movable piece, separate or hinged, for closing the opening of the housing.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8445797 Safety interlocking device for a switch May. 21, 2013
8084702 Image forming apparatus Dec. 27, 2011
7855346 Data processing apparatus and removal recording media Dec. 21, 2010
7410020 Interlock device for high-voltage apparatus Aug. 12, 2008
7071428 Self-adjusting interlock actuator for a hinged cover Jul. 4, 2006
7064286 Secure operation mechanism for electrical shutdown device and device equipped with such a mechanism Jun. 20, 2006
7053321 Apparatus operating an isolation switch in coordination with a circuit breaker May. 30, 2006
6914205 Operating switch for a motor vehicle with a movable protective device Jul. 5, 2005
6784387 Interlock device Aug. 31, 2004
6743986 Door lock Jun. 1, 2004
6710270 Switch Mar. 23, 2004
6700082 Trip actuator for a circuit breaker Mar. 2, 2004
6590481 Fast acting, electrically powered operator for transfer switch and transfer switch incorporating same Jul. 8, 2003
6416092 Handle arrangement for a movable body part Jul. 9, 2002
6373004 Retainer for circuit breaker leverage arm Apr. 16, 2002
6294846 Bypass device for amplifier Sep. 25, 2001
6111331 Air switch assembly for an electric motor Aug. 29, 2000
6074552 Electrical switch Jun. 13, 2000
5955939 Alarm station protector capable of being accessed by disabled individuals Sep. 21, 1999
5949039 Service door interlock Sep. 7, 1999
5831813 Breaker box front panel with window assembly Nov. 3, 1998
5612520 Suspend switch for portable electronic equipment Mar. 18, 1997
5597991 Enclosed electrical power disconnect switches and circuit breaker Jan. 28, 1997
5504655 Electric vehicle power distribution module Apr. 2, 1996
5495388 Disconnectable switch Feb. 27, 1996
5440103 Cooking apparatus, latching construction therefor and methods of making the same Aug. 8, 1995
5410112 Safety interlock for overhead projector Apr. 25, 1995
5300745 Apparatus for placing a microwave oven in a standby condition Apr. 5, 1994
5193667 Double button switch of a VCR Mar. 16, 1993
5097384 Battery powered apparatus having data storage circuits and power off switch automatically actuated by opening of replaceable battery compartment door Mar. 17, 1992
5010215 Electrical switching mechanism Apr. 23, 1991
4978817 Interlock switch for a copying apparatus Dec. 18, 1990
4969830 Connection between portable computer components Nov. 13, 1990
4910634 Interlock switch Mar. 20, 1990
4872139 Memory protection device for an electronic apparatus Oct. 3, 1989
4825027 Microwave oven door latch assembly Apr. 25, 1989
4769739 Electrical switching apparatus enclosure having a controlled opening door for gas venting Sep. 6, 1988
4766270 Limited force interlock mechanism Aug. 23, 1988
4764648 Switch assembly with actuator for sequentially activating two safety switches Aug. 16, 1988
4749835 Mechanism for closing microwave oven door Jun. 7, 1988
4745250 Interlock switch baseplate assembly May. 17, 1988
4742190 Device for selectively preventing one or more modes of actuating manual control members equipping an apparatus May. 3, 1988
4717794 Interlock switch Jan. 5, 1988
4687889 Electrical appliance interlock switch with improved isolation means Aug. 18, 1987
4672160 Door safety switch-lock assembly for an electrical apparatus Jun. 9, 1987
4638136 Microwave oven with door latching assembly Jan. 20, 1987
4620735 Door-bolting device for electrical appliances Nov. 4, 1986
4529852 Electrical appliance interlock switch Jul. 16, 1985
4516007 Interlock switch module for a microwave oven May. 7, 1985
4497993 Door lock apparatus of electric cooker Feb. 5, 1985

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