Class 335/192 - With biasing means (open or closed)

Subclass of Class 335 - Electricity: magnetically operated switches, magnets, and electromagnets
Definition: Subject matter wherein the significant contact actuating
No. of patents: 40
Last issue date: 04/01/2008

Number	Title	Issue Date
7350285	Method of manufacturing a switch panel to be disposed close to a magnetic sensor A method of manufacturing a movable contact unit includes manufacturing a movable contact, sticking the movable contact to a base sheet made of insulating resin, and applying demagnetization to the movable contact so that the residual magnetic flux density is smalle...	04/01/2008
7301742	Method and apparatus for accessing and activating accessory functions of electronic circuit breakers An electronic trip unit for a circuit breaker includes a programmed microprocessor and a module plug in removable signal communication with the microprocessor. The module plug includes a program identifier. The microprocessor recognizes the program identifier and ac...	11/27/2007
7202427	Switch contact arrangement comprising a device for increasing a contact-force acting between switch contacts A switch contact arrangement for a power switch is provided with a device for increasing the contact force acting between switch contacts. The device includes a cavity which is made in a stationary conductive element of the switch contact arrangement in such a manne...	04/10/2007
7196282	Movable contact unit arrangement including a movable contact unit and a magnetic sensor A movable contact unit arrangement includes a movable contact disposed close to a magnetic sensor. The movable contact unit includes a base sheet made of insulating resin, and a movable contact made of elastic metal plate material and having a downwardly opening dom...	03/27/2007
7178223	Method of manufacturing a movable contact unit to be disposed close to a magnetic sensor A method of manufacturing a movable contact unit includes manufacturing a movable contact, sticking the movable contact to a base sheet made of insulating resin, and applying demagnetization to the movable contact so that the residual magnetic flux density is smalle...	02/20/2007
6965292	Isolation cap and bushing for circuit breaker rotor assembly An electrically isolated rotor assembly for a cassette assembly of a circuit breaker includes a rotor having a first side and an opposing second side, a first isolation cap disposed on the first side, a second isolation cap disposed on the second side. Each isolatio...	11/15/2005
6922573	Portable cellular phone capable of detecting its folding state A portable cellular phone is provided which is capable of surely detecting a state of folding of phone bodies by detection of a weak magnetic field produced by a receiver. A first phone body has a Hall integrated circuit (IC) adapted to detect a magnetic flux formed...	07/26/2005
6833778	Electromagnetic switch and starter using the same An electromagnetic switch includes a contact holding member connected to a plunger in order to hold a first movable contact. The contact holding member is disposed outside a switch case covering a periphery of an excitation coil. A return spring pushes the plunger b...	12/21/2004
6751849	Method for connecting a contact body and a flexible conductor, and a compression mold for carrying out said method A movable contact arrangement suitable for use in a switching device has a rigid contact body and a flexible conductor piece connecting the contact body to a fixed conductor. The contact body is connected to the conductor piece by mechanically compressing a section ...	06/22/2004
6388859	Shock resistant breaker shunt trip A shunt trip assembly having a tripping solenoid and a locking solenoid selectively blocks movement of the tripping solenoid to prevent inappropriate tripping of a circuit breaker during shock loading thereof. The tripping solenoid includes a tripping plu...	05/14/2002
6005459	Switching device A switching device providing highly-reliable, frictionless, adjustment-free operation is described. Comprised of a comparatively small number of moving parts, the various aspects of the invention offer compact, cost-effective, reliable alternatives to the...	12/21/1999
5994988	Movable contact structure for a circuit breaker, including crossbar and spring biased cam mechanism A circuit breaker (10) has a housing (12). A crossbar (114) is pivotally connected to the housing to pivot about an axis (117) between open and closed positions. A load contact arm (110) is pivotally connected to the crossbar (114). The load contact arm (...	11/30/1999
4990830	Current sensing relay A three pole relay is shown which operates in response to the flow of normal operating current across fluorescent lamps to energizes a coil which actuates a relay to open switches disposed in all of the filament lines associated with the lamp to shut off ...	02/05/1991
4803774	Method of making molded case circuit breaker contact arrangement A molded case circuit breaker movable contact arm or carrier electrically connects with the circuit breaker trip unit or load terminal without requiring a flexible electrical conducting braid. The contact carrier is pivotally arranged within a contact car...	02/14/1989
4782583	Method of assembling a molded case circuit breaker crossbar A molded case circuit breaker crossbar assembly allows the movable contact carrier, contact spring and contact carrier operating cam to be preassembled prior to insertion within the circuit breaker case. The crossbar is fabricated from a plastic molding c...	11/08/1988
4733211	Molded case circuit breaker crossbar assembly A molded case circuit breaker crossbar assembly allows the movable contact carrier, contact spring and contact carrier operating cam to be preassembled prior to insertion within the circuit breaker case. The crossbar is fabricated from a plastic molding c...	03/22/1988
4706056	Electrical relay apparatus A miniaturized electromechanical relay (1) with an armature assembly (14) and a contact assembly (13) mounting contacts thereon and having a magnetic member assembly (12) for activating the armature assembly to operate the contact assembly to engage and d...	11/10/1987
4692728	Self-aligning spring mechanism for an electrical switch An electromagnetically operated relay having a spring which compensates for misalignment of a moveable block as shown and described. The movable block reciprocates within said relay housing in response to forces exerted by the electromagnet. The block inc...	09/08/1987
4608545	Movable contact arm assembly for a current limiting circuit breaker A movable contact arm assembly is provided for a circuit breaker. The contact assembly includes a carrier which has first and second guide plates with aligned roller guides and bracket supports and a roller which has a middle portion extending between the...	08/26/1986
4553119	Electric circuit breaker having reduced arc energy An electric circuit breaker having fast short circuit response along with reduced arc energy is provided by means of a current limiting contact arm arrangement. The contact arm is arranged to pivot independently of the circuit breaker operating mechanism ...	11/12/1985
4496920	Electromagnetically operated electric switch A contactor has a movable contact assembly which is connected to the magnet armature in such a way that the contact assembly moves translatorily in the same direction as the armature between a closed and an open position. The contact assembly comprises a ...	01/29/1985
4491814	Circuit breaker A circuit breaker having a contact opening and closing mechanism including a contact actuator member which is moved between a first position and a second position to close and open the contacts. The movable contact is mounted on one end of an elongated co...	01/01/1985
4484164	Braidless movable contact with wiping action A so-called blow-off type current limiting circuit breaker is provided with an elongated movable contact arm that is pivotally mounted at one end thereof on a pin that projects from opposite sides of a support. The contact arm is constructed of parallel s...	11/20/1984
4482877	Electric circuit breakers having fast short circuit response A thermal magnetic circuit interrupter with instantaneous short circuit current response utilizes a hook-shaped contact arm pivotally mounted on the operating mechanism at the end of the contact arm most distant from the contact. A saddle-type torsion spr...	11/13/1984
4442470	Ground fault receptacle with arrangement for protecting internal electronics A third pair of contacts, in addition to main power contacts, is provided that includes a conductive path through the latch member holding the power contacts in closed position and the latch member, being responsive to movement of the solenoid plunger ope...	04/10/1984
4363010	Contact device for a switch A contact lever has a contact point on one end for a fixed contact element and is supported on its other end on a pin which, when the switch is tripped, is capable of moving along a path transversely to the longitudinal direction of the contact lever. A c...	12/07/1982
4342019	Electromagnetic relay with a flat armature An electromagnetic relay has a flat armature which is normally biased away from a pole plate by a bearing spring attached to the armature which is mounted in a recess in a yoke plate, and is clamped thereto. A particularly low friction mounting is achieve...	07/27/1982
4336516	Circuit breaker with stored energy toggle-lock structure A circuit breaker characterized by a toggle lock means for holding toggle springs in a charged condition ready for closing a circuit through the circuit breaker contacts when necessary....	06/22/1982
4323869	Armature mount for an electromagnetic relay The relay includes an "L"-shaped yoke and a cylindrical solenoid core mounted at end thereof in a hole in the short arm of the yoke. The other end of the core is terminated in a pole plate which engages one leg of an angle armature which is pivotally moun...	04/06/1982
4323945	Polarized electromagnetic relay A polarized electromagnetic relay includes two contact springs extending substantially parallel to each other. One of the contact springs forms a movable contact for cooperation with a fixed contact. In the contacting condition, the free ends of the contact ...	04/06/1982
4290037	Flat electromagnetic relay A flat electromagnetic relay which includes a base member having at least two projections extending from a flat surface thereof. At least one hole (or indent), fitting a pertinent one of the projections, is formed in each supporting block that holds a con...	09/15/1981
4243964	Electromagnetically operated switch, particularly starter switch for automotive starter motors In order to effectively disconnect a contact bridge from fixed terminals, even though the contact bridge may be sticking to the contacts, or may be welded or hang, a plunger-type armature core is slidable within a central sleeve of a solenoid for a travel...	01/06/1981
4116515	Spring actuated contact for high voltage bushing A high voltage bushing having a bore contact mounted for axial movement within the bushing housing, the bore contact being biased for movement into engagement with a rod contact and a magnetically responsive trip mechanism releasably engaging the bore con...	09/26/1978
4095213	Mechanically actuable control relay A mechanically actuable electrical control relay has normally open contacts at least one of which is associated with a movable armature. A fixed, magnetizable core part has a winding or coil associated therewith. A movable core part associated with the ar...	06/13/1978
4087667	Double-throw contact A double-throw contact assembly, particularly for relay switches, or push button switches of the non-locking type, having a break contact, a make contact, and a pair of flexible contact arms associated therewith. Each contact arm is fixed adjacent one of ...	05/02/1978
4042798	Mounting device for compression spring The device includes a carrier having first and second openings which are interconnected by a breakthrough opening. A pull bracket, including a main portion which seats in one opening of the carrier and a pair of arms extending into the second opening thro...	08/16/1977
4010431	Switch for electrical wall receptacle with ground fault protection An electric receptacle with ground fault protection characterized by an insulating rectangular housing adapted for mounting in a wall outlet box. The housing comprises opposite end and edge walls with front and rear sides open and with a transverse partit...	03/01/1977
3959757	Circuit breaker with magnetic assist In order to eliminate contact bounce and electrodynamic repulsive forces upon closure in a standard high rating circuit breaker device when a fault exists, an armature is disposed on the movable contact assembly and an iron core pole is disposed adjacent ...	05/25/1976
3940726	High speed solenoid employing multiple springs A high speed solenoid assembly especially adapted for use in impact printers of the dot matrix type. The solenoid coil, when energized, drives the solenoid armature and a print wire connected thereto for impact against an inked ribbon and paper document t...	02/24/1976

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Class 335/192 - With biasing means (open or closed)