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| Number | Title | Issue Date |
| 7935905 | Contact system A contact system is disclosed for use in electromechanical switchgear. In at least one embodiment of the invention, a contact system is provided which has a simple constructive design and allows for an especially reliable contact. For this purpose, at least one embo... | 05/03/2011 |
| 7271356 | Hybrid limit switch A hybrid limit/proximity switch combining the standard limit switch operator head and a proximity sensor in a body that may be interchangeably mounted on a machine in place of a conventional mechanically operated limit switch is disclosed. ... | 09/18/2007 |
| 7241958 | Plunger switch A plunger switch is described. The switch has a carrier having a base portion. The carrier base portion has channels which receive bridge contact members. The bridge contact members are trapped in the channels by a retainer member. The carrier is inserted into a hou... | 07/10/2007 |
| 7211758 | Circuit interrupter that produces snap-action connection and disconnection between electrical contacts An apparatus and method to minimize teasing and contact welding at contact points includes a switch having a first contact movable toward a second contact from a switch-deactuated position to a switch-actuated position and movable away from the second contact from t... | 05/01/2007 |
| 6740831 | Mechanical switching contact The invention relates to a mechanical switching contact for bipolar commutation comprising an insulating support having fixed contacts disposed therein. Said contacts are switchable by means of a contact carrier which possesses a pivoting arm on the free end and the... | 05/25/2004 |
| 6642823 | Contact block assembly and a method of assembling a contact block assembly A contact block assembly comprising a pusher having a body portion; a window formed in the body portion; a movable contact positioned within the window; a recess formed in the body portion; a first spring positioned within the recess and abutting the mova... | 11/04/2003 |
| 6518528 | Limit switch with direct opening action A switch comprises a first and second contacts, a plunger, a toggle bar, and a spanner. A preferred trip lever arrangement is used in which a trip lever transfers an actuating force from the plunger to the toggle bar, and the toggle bar is caused to move ... | 02/11/2003 |
| 6483058 | Sealed manual reset switch A double pole, manual reset switch that is sealed from its application environment. The switch comprises a shell and a base assembly including an actuator, terminals and blade/contacts. After the switch actuator is depressed to a "make" position, it must ... | 11/19/2002 |
| 6255608 | Terminal structure of switch In a terminal structure of a switch which is arranged in a manner that a terminal conductor 14 with a terminal screw drawn from the inner portion of the casing is disposed at every phase in the terminal portion of a casing formed by the three-divided stru... | 07/03/2001 |
| 5790010 | Means for actuating a snap-acting M-blade An electrical switch incorporating a snap-acting M-blade is actuated by a lever requiring a low actuation force and is actuated by a bridge engaging a critical region of the M-blade's double-loop end to provide an extremely low differential. Together, the... | 08/04/1998 |
| 5577604 | Electrical snap-action switch To create a snap-action switch (1) that provides separate solutions for the mechanical function of "switching" and the electrical function of "contact bridging", the snap-action element (4) is designed as one piece made of round wire and a contact element... | 11/26/1996 |
| 5555972 | Self-stressing snap spring assembly for electrical contacts An ultra high production snap acting switch includes a blanked sheet metal tab for providing extremely consistent and repeatable operation. The switch simply includes a sheet metal M-blade automatically spot welded (or riveted) to a sheet metal spring arm... | 09/17/1996 |
| 5532444 | Push button switch A push button switch, particularly a power supply switch, has contacts (4, 5) attached to a housing and a movable contact bridge (8) which is moved by means of a spring plunger (10'). A spring switching mechanism (26) transmits force between the spring pl... | 07/02/1996 |
| 5528006 | Switching device for opening and closing an electrical path A compact snap-action switch for high frequency switching applications comprising a housing of electrically conductive material having a horizontal outer wall with an opening formed therein; two spaced contact terminals disposed within the housing and hav... | 06/18/1996 |
| 5426274 | Push button switch A push button switch, particularly a master switch, has housing-affixed contacts (4, 7) and at least one contact bridge (8, 9) movable by a spring plunger (10). A spring-switching mechanism (24, 25, 26) is operatively coupled between the spring plunger an... | 06/20/1995 |
| 5360954 | Push button switch A push button switch, particularly a master switch, has housing-affixed contacts (4, 5) and a contact bridge (8) for bridging the contacts, with the bridge being moved by a spring plunger (10). A spring-switching mechanism (24, 25, 26) is operatively coup... | 11/01/1994 |
| 5047628 | Hybrid switch with solid-state condition A hybrid switch includes a snap-action switching portion having a butterfly-type mechanism and a solid-state switching portion formed within a single, compact housing. The solid-state switching portion is formed of an electro-electronic device consisting ... | 09/10/1991 |
| 4978824 | Electrical switches In an electrical switch having two stable contact states, e.g., a snap-acting butterfly type switch which includes a spring biased movable actuator mounted in a housing and pivotally engaged by contact carrying arms which are urged together by a tension s... | 12/18/1990 |
| 4634820 | Quick-break electrical switch with rectilinearly movable plunger actuator The electrical switch which may be of a type having a toggle mechanism or a buckling mechanism for achieving abrupt motion of its movable piece. The switch is additionally provided with a mechanism for forcibly disengaging a movable contact formed on the ... | 01/06/1987 |
| 4602137 | Pull-push switch In a pull-push switch having an insulating case, an operating shaft, movable contacts, stationary contacts, and inverting springs, the movable and stationary contacts being engaged or disengaged through the inverting springs by pushing or pulling the oper... | 07/22/1986 |
| 4538087 | Alternating current driven piezoelectric latching relay and method of operation An alternating current latching relay is provided which employs a latching-type, mechanically operated snap-action switch mechanism with a set of electric contacts that are selectively latched either in the open or closed condition in a snap-action manner... | 08/27/1985 |
| 4347415 | Electric quick-break switch with forced opening of the contacts An electric switch wherein longitudinal depression of a rod in a first direction toggles a spring pivoted on the rod. This snaps a movable contact bridge extending transversely to the rod away from a set of stationary contacts to open normally closed cont... | 08/31/1982 |
| 4224489 | Snap action switch The snap action switch has a spring biased plunger carrying directly or indirectly at least one articulated contact carrier extending laterally from opposite sides of the plunger and having two convex contacts of cylindrical, semi-circular or prism config... | 09/23/1980 |
| 4216358 | Snap switch A snap switch comprises a control button, a control rod slidable with the control button via a spring, two pairs of contacts associated, respectively, with two pairs of terminals, the two contacts of each pair of contacts being connectable by resilient co... | 08/05/1980 |
| 4086455 | Snap action type of electric switch A snap action type of electric switch in which a contact plate is provided with a movable contact facing a stationary contact located in a housing. The movable contact is free to move back and forth, and the contact plate is connected through an intermedi... | 04/25/1978 |
| 4074089 | Multiple push-switch apparatus having flexible element preventing simultaneous actuator depression The present invention relates to a multiple push-switch apparatus comprising an exclusion mechanism which includes a plurality of slidably supported operation bodies and a flexible body, any one of said plurality of operation bodies being able to move by ... | 02/14/1978 |
