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| Number | Title | Issue Date |
| 8153917 | Moving contact head for tap switches A moving contact head for tap switches comprises a moving contact head installation plate component (200) rotating with a switch main shaft (100), and a holder-type moving contact head (300) arranged on the moving contact head installation plate... | 04/10/2012 |
| 7336146 | Moving contact carrier arrangement for a circuit breaker mechanism A circuit breaker mechanism comprises a line terminal, a load terminal and a set of contacts between the terminals. A fixed contact is connected to the line terminal, and a moving contact is connected to the load terminal via a conductive frame and a load sensing el... | 02/26/2008 |
| 7250836 | Terminal support for a circuit breaker trip unit A terminal assembly for use in a circuit breaker. The terminal assembly includes a first member and a second member abutting the first member. The second member includes a pair of protruding arms to be inserted into a corresponding pair of recesses in a circuit brea... | 07/31/2007 |
| 6838627 | Contact element and a contact arrangement An element (20) for making an electric contact to another contact member (19) for enabling an electric current to flow between said element (20) and said contact member comprises a body having at least a contact surface thereof coated with a con... | 01/04/2005 |
| 5797482 | Electroluminescent keypad An electroluminescent keypad, and an electroluminescent lamp, with integral shunts, for use in a keypad. The keypad includes a circuit board that includes a plurality of contact pairs adapted to complete circuits to perform keypad functions. An elastomeri... | 08/25/1998 |
| 5403420 | Fabrication tool and method for parallel processor structure and package Disclosed is a parallel processor packaging structure and a method for manufacturing the structure. The individual logic and memory elements are on printed circuit cards. These printed circuit boards and cards are, in turn, mounted on or connected to circ... | 04/04/1995 |
| 5278370 | Push switch A push switch includes a sideway U-shaped spring element positioned in a recess of a holder which is precision-formed of plastic resin by molding while keeping upper and lower sections of the U-shaped spring element compressed. The lower section of the sp... | 01/11/1994 |
| 5140114 | Electric contact with base metal An electric contact with a base metal used as a switch wherein the non-welded peripheral portion of the contact is prevented from bow-like bending and from peeling off. The electric contact with a base metal having a contact promoting shape is formed by d... | 08/18/1992 |
| 4806716 | High voltage contact assembly A multi-position contact for use in high voltage switchgear utilizes a multi-laminar electrical contact and a movable contact blade to maintain continuous electrical contact with a first circuit component and a switch blade assembly movable concomitantly ... | 02/21/1989 |
| 4696832 | Contact stabilization coating material for electrical contact surfaces and method The flow characteristics of electrical signal current between co-operating electrical contact surfaces may be enhanced, such as by reducing or eliminating contact-to-contact surface resistance, zero-crossing distortion, harmonic distortion, etc. By coatin... | 09/29/1987 |
| 4535312 | Electrical contact units A design of magnetic field actuated sealed electrical contact unit for an electrically operated relay or mechanically operated switch is constructed of metal and plastics laminae (1, 1a, 2, 2a, 5 and 5a) one of which incorporates a diaphragm 10 which func... | 08/13/1985 |
| 4274638 | Game switch matrix A game switch particularly useful as a bingo table used by a bingo caller has greatly increased reliability over conventional microswitch actuated tables. A matrix of conductive flexible strips are used, whereby when a ball is depressed at an intersection... | 06/23/1981 |
| 4042439 | Method of making keyboard assemblies A keyboard assembly includes an insulative substrate upon which are carried a plurality of conductive paths. Respective portions of the paths are selectively bridged upon depression of a dome-shaped conductive resilient contact element. A pair of space-op... | 08/16/1977 |
| 4002870 | Arcing contact for a high current switch An arcing contact for a high current capacity switch having a pair of switch members in sliding face-to-face engagement is formed from a set of resilient laminations that shunt the switch members as the switch makes on closing or breaks on opening. One en... | 01/11/1977 |
