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)
03/1982
03/03/1982EP0046575A2 Parallel guide for a key switch with multiple buttons
03/02/1982US4318065 Means for actuating electro-magnetic switchgear
03/02/1982US4317974 Switch protecting and adjusting arrangement
03/02/1982US4317973 Disconnect switch and drive mechanism therefor
03/02/1982CA1119224A1 High voltage switch operating mechanism
02/1982
02/23/1982CA1118827A1 Operating mechanism for a high-voltage switch
02/23/1982CA1118800A1 Polymer spring
02/17/1982EP0045783A1 Elevator control adaptor for handicapped users.
02/16/1982US4316065 Plunger switch
02/10/1982EP0045546A2 Device for controlling the rotation of a shaft through a preselected angle
02/09/1982US4315111 Hearing aid with remote momentary shut off switch
02/02/1982CA1117573A1 Puffer-type circuit interrupter
01/1982
01/19/1982US4311889 Alarm device
01/19/1982US4311887 Handle operating mechanism for use with an electric circuit breaker
01/19/1982CA1116669A1 Load break switch
01/12/1982US4310753 Key for data processing miniature implements
01/12/1982CA1116212A1 Ac-dc magnet coil assembly for low dropout ac contactors
01/05/1982CA1115758A1 Operating mechanism for switch
01/05/1982CA1115756A1 Cam operated electrical switch
01/05/1982CA1115752A1 Roller shutter safety device
12/1981
12/29/1981US4308441 Handle assembly for manual operation of electric switches
12/29/1981US4307810 Remote-control device for a crane
12/29/1981CA1115314A1 Flywheel oscillation damping arrangement in a stored energy-type circuit breaker operating mechanism
12/29/1981CA1115013A2 Security hinge with sealed switch and operator concealed therein
12/22/1981US4307375 Top watcher warning device for trucks and the like
12/22/1981US4307358 Electromagnetic contactor is fitted with an electromagnet sensitive to over-currents, to cause the limitation and cut-off of excess currents
12/22/1981US4307271 Switch mechanism
12/16/1981EP0041517A1 A two position mechanism
12/15/1981US4305569 Vacuum control valves
12/15/1981CA1114433A1 Spring operating devices for high-voltage circuit-breakers
12/08/1981US4305054 Electric switch with kick-off attachment
12/01/1981US4303815 Push button switch assembly
12/01/1981US4303813 Precision actuation switch
11/1981
11/24/1981US4302646 Electric switch and operating mechanism therefor
11/24/1981EP0032911A4 Improvements in sensitive door edges.
11/18/1981EP0039758A1 Electromagnetic control device for remotely controlling electric switches and the like
11/10/1981US4300027 Circuit breaker motor operator variable drive coupling apparatus
11/10/1981US4300025 Refrigerator door switch
11/10/1981CA1112274A1 Push button switches
11/10/1981CA1112271A1 Electromagnetic contactor, with electromagnet reacting to overvoltage to limit and exclude overcurrents
11/10/1981CA1112104A1 Hole sensing device for spike driver
11/04/1981EP0039006A1 Switch and control device
11/03/1981US4298779 Rotary type microswitch
10/1981
10/27/1981US4297556 Pushbutton operator
10/27/1981US4297550 Method and construction for vehicle brake pedal and switch assembly
10/27/1981US4297549 Direction indicator switch
10/21/1981EP0038291A1 Motor drive for low-voltage protective switch
10/21/1981EP0038289A1 Power drive for electric switching devices
10/21/1981EP0038288A1 Mechanical drive for direct on and off switching of a low-voltage protective switch
10/21/1981EP0038287A1 Rotary handle for manual control of a power drive
10/21/1981EP0038286A1 Power drive for an electric switching device with elastic transmission of the driving power
10/21/1981EP0038285A1 Power drive for electric switching devices with an actuating slide
10/20/1981US4296393 Contact spring arrangement for an electromagnetic relay
10/20/1981US4296292 Variable electromechanical device
10/20/1981US4296291 Elevator control adaptor for handicapped users
10/20/1981US4296288 Gas insulated disconnecting switches
10/20/1981US4296286 Self-referencing position switch
10/20/1981US4296283 Normally closed wafer switch
10/20/1981US4295246 Knob
10/13/1981US4295024 Spring biased energy absorber for vacuum switch contact shafts
10/07/1981EP0037083A2 Contact-feathers disposition for a stripping device
10/06/1981US4293834 Load break switch
10/06/1981US4293752 Self adhering tape switch
10/06/1981US4293746 Foot operated control unit
09/1981
09/29/1981US4292611 High-speed automatic tripping contactor
09/29/1981US4292485 Lever switch with improved actuating member
09/29/1981US4291725 Fluid control switches
09/29/1981CA1109906A1 Magnetic latch device for a clapper type contactor
09/22/1981US4291213 Lever operator switch actuator
09/22/1981US4291212 Lamp socket switch operator extension
09/22/1981US4291207 Removable push-to-unlock actuator for locking pivoted-subactuator self-enclosed electric switch
09/22/1981CA1109555A2 Timed electric switch
09/16/1981EP0035637A1 Tap changer with potential switch for tapped transformers
09/16/1981EP0035604A1 Safety device for load tap changer
09/15/1981US4289063 Hydraulic driving device
09/02/1981EP0034966A1 Electric actuating mechanism for a low tension circuit breaker
08/1981
08/25/1981CA1107840A1 Bounce dampening system for switch actuators
08/19/1981EP0033869A2 An electric quick-break switch with forced opening of the contacts
08/18/1981USRE30716 Switch activating hinge having reciprocating cam follower switch actuator
08/18/1981US4284861 Switch hinge
08/18/1981CA1107326A1 Automatic magnetic switch
08/11/1981US4283613 Construction for attaching knob to manipulation rod of push-button type mechanism
08/11/1981US4283610 Operator for a circuit interrupter and disconnect switch combination
08/11/1981CA1106956A2 Timed electric switch
08/11/1981CA1106559A1 Security hinge with sealed switch and operator concealed therein
08/06/1981WO1981002220A1 Elevator control adaptor for handicapped users
08/05/1981EP0032911A1 Improvements in sensitive door edges
08/04/1981US4282509 Single brake light switch for dual brake pedals
07/1981
07/29/1981EP0032685A1 Push button control mechanism for button switch
07/21/1981US4280026 Actuator mechanism for a portable, hand-held tool
07/21/1981US4279256 Nerve stimulation method
07/14/1981US4278860 Arc driven single pressure type circuit breaker
07/08/1981EP0031791A1 High voltage power circuit breaker
07/07/1981US4277656 Limit switch tripping mechanism for lifting jacks
07/07/1981US4276903 Control valve
07/07/1981CA1104638A1 Overcurrent protection equipment
07/07/1981CA1104620A1 Circuit breaker with dual drive means capability
06/1981
06/30/1981US4276483 Timed electric switch
06/30/1981US4276459 Paddle switch safety button
06/30/1981CA1104177A1 Electrical contact assembly operated by a movable closure panel
1 ... 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179