Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 3 - Mechanisms for operating contacts
Patents for H01H 3 - Mechanisms for operating contacts (17,842)
06/1981
06/24/1981EP0030651A1 Electromagnetic switching device
06/23/1981US4274546 Condition responsive electrical switch construction and parts and methods therefor
06/16/1981US4273974 Elongate switch construction
06/16/1981US4273973 Automatic electric downrigger shut-off switch
06/11/1981WO1981001626A1 A two position mechanism
06/09/1981US4272661 High speed vacuum interrupter
06/02/1981US4271338 Security apparatus
06/02/1981CA1102385A1 Switch operating rod assembly
06/02/1981CA1102382A1 Pressure operated electric switch and an alarm system using such switch
05/1981
05/27/1981EP0029366A1 Self-referencing position switch
05/12/1981US4267414 Foot control for snow plows
05/05/1981US4266106 Lift truck load position sensing device
04/1981
04/28/1981US4264886 On/off switch
04/28/1981US4264796 Circuit breaker having improved movable contact
04/28/1981US4264791 Devious path rotary switch
04/28/1981US4264225 Bounce dampening system for switch actuators
04/21/1981US4263488 Pneumatic spring including an electric switch
04/21/1981US4263487 Air switch
04/14/1981US4262176 Roller shutter safety device
04/07/1981USRE30570 Belt switch
04/07/1981CA1098992A1 Pressure switch and method of manufacture
04/07/1981CA1098950A1 Circuit breaker having improved movable contact
04/07/1981CA1098949A1 Circuit breaker having opening spring position indicator
04/07/1981CA1098948A1 Circuit breaker spring assembly
03/1981
03/24/1981US4258239 Electric circuit breaker
03/17/1981US4256941 Spring operating devices for high-voltage circuit-breakers
03/10/1981US4255733 Latching switch relay
03/03/1981US4254317 Actuator with illuminated key for electric switching devices, particularly for control keys
02/1981
02/24/1981US4253004 Mechanical remote control system
02/24/1981US4253003 High voltage switch operating mechanism
02/17/1981US4251703 Pushbutton for use with pushbutton switches
02/17/1981US4251702 Circuit breaker having multiple spring actuating mechanisms
02/17/1981US4251698 Electrical and fluid control switches
02/17/1981CA1096028A1 Timed electric switch
02/10/1981US4250477 Mechanical latch apparatus
02/10/1981US4250434 Pressure-responsive electric switch
02/10/1981US4250369 Formed pivot for toggle lever and method of making
02/10/1981US4250366 Trigger assembly for arc welding gun
02/10/1981US4250360 Device to automatically activate or deactivate control means
02/10/1981US4250358 Control unit for marine engines employing safety stop switch
02/05/1981WO1981000275A1 Improvements in sensitive door edges
02/03/1981US4249047 Gas valve-switch assembly
02/03/1981CA1095157A2 Modular electrical control station
02/03/1981CA1095105A1 No translation available
01/1981
01/20/1981US4246559 Electro-magnetic relay structure
01/13/1981US4245140 Manual and motor operated circuit breaker
01/07/1981EP0021306A1 Contact arrangement for the high current circuit of a resistance welding machine
01/07/1981EP0021195A1 Device for actuating a switch as a function of the rotation angle of a shaft
01/06/1981US4243964 Electromagnetically operated switch, particularly starter switch for automotive starter motors
01/06/1981CA1093129A1 Dual switch operator using modified geneva movement
12/1980
12/23/1980US4241248 Circuit interrupting device
12/23/1980US4240300 Operation mechanism
12/16/1980US4239979 Membrane contactor
12/16/1980CA1091732A1 Circuit breaker apparatus including jack shaft support
12/10/1980EP0020311A1 Trip lamina for single-pole circuit breakers
12/09/1980US4238021 End switch for a shaft driven through a large angle of rotation
12/02/1980US4237357 Operating mechanism for a high-voltage switch
12/02/1980US4237353 Telescopic spring operable as an electric switch
12/02/1980CA1090858A1 Toggle switch lever lock
11/1980
11/25/1980CA1090400A1 Interrupter switch arrangement
11/18/1980US4234772 Motor operated circuit breaker including a variable drive coupling link assembly
11/18/1980US4234771 Vacuum switch
11/14/1980EP0016196A4 A magnetic latch device for a clapper type contactor.
11/11/1980US4233483 Apparatus for connecting a switch operator to a switch
11/11/1980US4232579 Switch actuating assembly for power tools
11/11/1980CA1089522A1 Circuit breaker closing mechanism
11/11/1980CA1089521A1 Circuit breaker with operating mechanism having outboard cam and ratchet
11/11/1980CA1089336A1 Manual operator for a pushbutton control device
10/1980
10/29/1980EP0017820A1 Extension device for push-button actuated mechanisms
10/28/1980US4230919 Snap acting switch
10/21/1980US4229629 Miniature pneumatic switch actuator
10/21/1980CA1088177A1 Burglar alarm
10/21/1980CA1087875A1 Operation mechanism for actuating a circuit interrupter
10/15/1980EP0017575A1 Contactor with rapid opening in the event of a fault
10/15/1980EP0017069A1 Auto-pneumatic high voltage power circuit breaker
10/14/1980US4228115 Method of making a horn pad
10/14/1980CA1087662A1 Dual spring circuit interrupter apparatus
10/07/1980US4227059 Driving mechanisms for vacuum circuit breakers
10/07/1980CA1087230A1 Remotely controlled electric switch
10/01/1980EP0016196A1 A magnetic latch device for a clapper type contactor.
10/01/1980EP0015965A1 Device for controlling the closure of folding doors.
09/1980
09/23/1980US4224492 Wiper mechanisms
09/16/1980US4223289 AC-DC Magnet coil assembly for low dropout AC contactors
09/16/1980US4223256 Limit switch for D-C positioning motor
09/09/1980US4221944 Driving apparatus for electric power circuit breakers with rectangular housing
09/09/1980CA1085439A2 Energy-storage operating mechanisms for circuit- interrupting structures alone and also for circuit- interrupting structures utilizing serially-related disconnecting-switch structures therewith
09/02/1980US4220936 Manually operated generator circuit breaker
08/1980
08/26/1980US4219714 Lock-off switch
08/26/1980CA1084566A1 Circuit breaker ratchet and pawl spring charging system
08/19/1980US4218599 Polymer spring
08/12/1980US4217474 Cam member for actuating and/or restraining the motion of a bail
08/12/1980CA1083651A1 Overload relay reset assembly
08/12/1980CA1083309A1 Security hinge
08/06/1980EP0013991A1 Arrangement of contact springs for polarized electromagnetic relays
08/05/1980US4216469 Alarm system for detecting changes in load on terrain
08/05/1980US4216459 Signal switching system for actuating winking lights to be used for two-wheeled vehicles
08/05/1980US4216359 Low voltage vacuum switch and operating mechanism
08/05/1980US4216358 Snap switch
07/1980
07/29/1980US4215257 Precision toggle switch
07/29/1980CA1082764A1 Electromechanical chopper for speed control of battery powered devices
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