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Class Information
Number: 335/193
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Electromagnetically actuated switches > Contact-actuating means > With vibration-, bounce- or chatter-prevention means
Description: Subject matter wherein the contact actuating structure includes means whereby the contacts are prevented from vibrating, rebounding or chattering when in the closed position or during the closing operation. The apparatus generally comprises compression means, inertia weights or other similar structure for absorbing the kinetic energy of the moving parts.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7551049 |
Structure of electromagnetic switch for starter |
Jun. 23, 2009 |
| 7535328 |
Electromagnetic switch |
May. 19, 2009 |
| 7504916 |
Solenoid switch having moving contact configured to prevent contact bounce |
Mar. 17, 2009 |
| 7474179 |
Electrical switching apparatus, and movable contact assembly and contact spring assembly therefor |
Jan. 6, 2009 |
| 7199687 |
Solenoid type drive and starter using the same |
Apr. 3, 2007 |
| 6798322 |
Low noise relay |
Sep. 28, 2004 |
| 6590172 |
Circuit breaker mechanism for a rotary contact system |
Jul. 8, 2003 |
| 6246021 |
Switching device |
Jun. 12, 2001 |
| 5874875 |
Electromagnetic relay structure and spot welding machine used for fabricating same |
Feb. 23, 1999 |
| 5869934 |
Barricade light control switch apparatus |
Feb. 9, 1999 |
| 5192841 |
Circuit breaker with shock absorbing mechanism |
Mar. 9, 1993 |
| 5089795 |
Compact molded case circuit breaker with movable contact arm rebound cushion |
Feb. 18, 1992 |
| 4987397 |
Electromagnetic protective switching device |
Jan. 22, 1991 |
| 4933655 |
Mounting structure of a reed switch for an eddy-current indicator |
Jun. 12, 1990 |
| 4876522 |
Electromagnetic switchgear |
Oct. 24, 1989 |
| 4816793 |
Solenoid with alternate current path for direct mounting on engines |
Mar. 28, 1989 |
| 4799037 |
Circuit interrupter |
Jan. 17, 1989 |
| 4757293 |
Solenoid for direct mounting on engines |
Jul. 12, 1988 |
| 4706037 |
Soft-contact solenoid contactor |
Nov. 10, 1987 |
| 4698470 |
Multiple-impact shock-absorbing assembly for circuit interrupter and other apparatus |
Oct. 6, 1987 |
| 4638279 |
Noiseless electromagnet and a contactor using such an electromagnet |
Jan. 20, 1987 |
| 4626811 |
Circuit interrupter with integral resilient stop means for contact arm |
Dec. 2, 1986 |
| 4625194 |
A.C. contactor |
Nov. 25, 1986 |
| 4521757 |
High speed electromagnetic mechanical switch |
Jun. 4, 1985 |
| 4472697 |
Armature assembly for machine tool relay |
Sep. 18, 1984 |
| 4460881 |
Quiet relay |
Jul. 17, 1984 |
| 4424501 |
Electromagnetic contactor having improved contact structure |
Jan. 3, 1984 |
| 4295025 |
Circuit breaker with electromechanical trip means |
Oct. 13, 1981 |
| 4286243 |
Electrical switch constructions and methods of making the same |
Aug. 25, 1981 |
| 4267419 |
Circuit breaker structure with shock absorbers |
May. 12, 1981 |
| 4255732 |
Current limiting circuit breaker |
Mar. 10, 1981 |
| 4251788 |
Electromagnetic solenoid operated switch, particularly starter switch for automotive engines |
Feb. 17, 1981 |
| 4236132 |
Electromagnetic switch means for a flow control device and the like having reduced shock levels |
Nov. 25, 1980 |
| 4149129 |
Contact control assembly for a circuit breaker |
Apr. 10, 1979 |
| 4135135 |
Resilient anti-rebound latch for circuit breaker contacts |
Jan. 16, 1979 |
| 4095200 |
Contactor having reduced contact bounce and shorter arc time |
Jun. 13, 1978 |
| 4081772 |
Moving contact terminals for relays |
Mar. 28, 1978 |
| 4063204 |
Energy absorbing and pressure applying arrangement for electrical contacts |
Dec. 13, 1977 |
| 4048601 |
Switch mounting assembly for an electromagnetic relay |
Sep. 13, 1977 |
| 4042799 |
Damping of contacts |
Aug. 16, 1977 |
| 4011533 |
Magnetically actuated switch for precise rapid cycle operation |
Mar. 8, 1977 |
| 3970977 |
Arrangement for mounting the non-switching magnet part |
Jul. 20, 1976 |
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