Patents for H01H 3 - Mechanisms for operating contacts (17,842)
07/1988
07/26/1988US4760224 Air circuit interrupter
07/26/1988US4760220 For circuit interrupting apparatus
07/20/1988EP0274974A1 Defrosting device for a roof window
07/19/1988US4758919 Sectionalizer for spur lines
07/19/1988US4758815 Tap element and methods, for heating, pressure measurement and circuit fabrication
07/13/1988CN87214515U Remote control attachment for keyboard type switch
07/12/1988US4757308 Position detector with snap action toggle
07/12/1988US4757163 Switched patch module
07/05/1988US4755781 Electrical switch for starters
07/05/1988US4755642 Switching device
07/05/1988US4755635 Electrical programmer
06/1988
06/29/1988EP0272349A1 Ultra-rapid circuit breaker assisted with semi-conductors
06/29/1988CN87214174U Electricity-saving switch
06/28/1988US4754362 Magnetically latching and current sensitive automatically unlatching switch assembly
06/28/1988US4754107 Remotely operable master and slave switch
06/28/1988US4754106 Double cammed push-button switch and methodology for operation of the same
06/23/1988DE3642136A1 Electronic tripping device for switches (circuit breakers) which limit the short-circuit current
06/22/1988EP0271982A2 Positive-positioning knob assembly
06/22/1988EP0271510A1 High frequency electrical switch
06/21/1988US4752660 Current limiting circuit breaker with an arc shearing plate
06/21/1988US4752659 Arc interrupter
06/21/1988US4752657 Proximity switch mounting apparatus
06/21/1988US4752656 Switch device for controlling the power supply to an electric heater with one heater
06/21/1988CA1238357A1 Switch limit assembly
06/16/1988DE3740360A1 Switch having rapid release and the capability for positive opening of the contacts, especially for movement limiting devices
06/16/1988DE3642383A1 Current-limiting switch
06/15/1988EP0271124A1 Key board with a space bar with a leveling wire
06/14/1988US4750375 Drive device for a circuit breaker with a ratchet wheel
06/07/1988US4749967 High frequency electrical switch
06/07/1988US4749167 Two position mechanism
06/07/1988CA1237752A1 Emergency vehicle battery circuit breaker
06/07/1988CA1237637A1 Foot pedal apparatus
06/01/1988EP0269143A1 Timer with multiple safety assembly
06/01/1988EP0268937A1 Electric contact device
06/01/1988CN87206265U Independent pneumatically actuated mechanism
05/1988
05/26/1988DE3639166A1 Drive mechanism for electrical switches
05/26/1988DE3638952A1 Electrical switch
05/25/1988EP0268194A1 Electrical switching device
05/25/1988EP0268057A1 Electric cam-operated switch with rotary and sliding drive
05/25/1988CN87203935U Door controlling power-saving securing mechanism
05/24/1988US4746778 Circuit breaker with an actuating device and an energy accumulator
05/18/1988EP0267541A2 A keyboard
05/18/1988EP0267211A1 Protection system for electrically-operated devices
05/17/1988US4745260 Automatic switching apparatus for an electric appliance
05/17/1988US4745250 Interlock switch baseplate assembly
05/11/1988EP0267032A2 Vehicle sensing device
05/10/1988US4743736 An iron
05/10/1988US4743721 Circuit breaker actuator device
05/10/1988CA1236508A1 Safety stop switch assembly
05/04/1988EP0265883A2 Rotary switch
05/03/1988US4742200 Actuating device for a low-voltage circuit breaker with a ratchet wheel
05/03/1988US4742196 Elongate pressure-actuated electrical switch
05/03/1988US4742193 Retaining device for hydraulic master cylinder switch
05/03/1988US4742192 Steering wheel rim horn blow mechanism
05/03/1988US4742189 Visco-elastic delayed actuator
05/03/1988US4742188 Sliding electrical control
04/1988
04/27/1988CN87214024U Fully enclosed wall-type multiple-purpose light-adjusting and powersaving durable switch
04/21/1988DE3634858A1 Switch handle (knob)
04/19/1988US4739300 Rotary type electronic part
04/19/1988US4739134 Valve monitoring switch assembly
04/19/1988US4739131 Turn indicator switch cancelling mechanism
04/19/1988CA1235446A1 Electro-mechanical devices incorporating fuse cartridges
04/14/1988DE3633701A1 Electrical switch
04/12/1988US4737749 Electromagnetic switchgear
04/12/1988US4737603 For use in hazardous atmosphered
04/12/1988US4736670 Remotely operated fluid power control system for automotive vehicle
04/12/1988US4736514 Method of making electrical switch
04/07/1988DE3740952A1 Key panel for typing and computer technology
04/06/1988EP0262940A2 Circuit breaker with fast trip unit
03/1988
03/31/1988DE3631721A1 Stepping rotary switch
03/30/1988EP0261851A2 Valve supervisory switch
03/30/1988EP0261189A1 Protection cutting apparatus provided with an arc breaking screen.
03/30/1988EP0247198A4 Alloy having improved fatigue crack growth resistance.
03/30/1988CN87204128U Transmission for indoor isolating-grounding switch
03/30/1988CN87200109U Reliable electric source for tripping operation in power substation
03/29/1988US4734549 Touch sensor
03/22/1988US4733035 Switch with device for preventing erroneous operation
03/22/1988US4733028 Switch
03/22/1988US4733026 Adjustable switch and actuator arm
03/17/1988DE3630074A1 Regulating switch
03/15/1988CA1234197A1 Method and construction for vehicle brake pedal and switch assembly
03/10/1988WO1988001716A1 Welded contact safety technique
03/10/1988WO1988001555A1 Robot overload detection mechanism
03/09/1988CN87105132A Tensioner for accumulator gearing spring of electric breaker
03/09/1988CN85108383B Tank type switchgear
03/08/1988US4730092 Hydraulic driving device for an electric pressurized-gas switch
03/08/1988US4730091 Alarm switch
03/08/1988US4730090 Electrical switch having oppositely facing contactor
03/08/1988US4729248 Lever arrangement for transmitting limited tilting motions
03/08/1988CA1233863A1 Snap disc condition sensor and method for producing the same
03/08/1988CA1233861A1 Ignition switch with self-adjusting headlamp dimmer
03/03/1988DE3726739A1 Contact pressure-producing device especially for vacuum switches in a single-row or double-row arrangement
03/03/1988DE3628669A1 Electrical push-button switch
03/02/1988EP0257576A2 Method and apparatus for avoiding failures caused by contacts-welding in heating and cooling systems
03/02/1988CN87105528A Press mechanism for drive spring of electric switch
03/02/1988CN87104264A Circuit breaker with electrical disconnect means
03/01/1988US4728921 Position indicator for an actuating drive
03/01/1988US4728812 Oral machine controller
03/01/1988US4728755 Rotary switch construction and method of making the same
02/1988
02/25/1988DE3627695A1 Electrohydraulic switching device