Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1995-06-30
1996-07-16
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
600 5A, H01H 1370, H01H 2504
Patent
active
055369111
ABSTRACT:
A low force, multiple switch, multidirectional switch assembly for electronic games handsets or remote controls. The assembly comprises a housing having an opening, a first support and a second support having a opening. At least two spaced apart switches are provided, each comprising two spaced apart stationary contacts on the first support and a correspondingly aligned moveable contact on the second support. When closed, the moveable contact electrically connects the two stationary contacts. Bumper pads, corresponding in number and shape to the moveable contacts, are provided at a predetermined distance between adjacent moveable contacts. A spring, located between the second support and the first support and extending about the periphery of the second support, holds the second support apart from the first support and each switch open. A switch actuation is positioned between the housing and the second support with a first portion passing through the housing opening and a second portion keeping the switch actuator in the housing. The spring also holds the second portion against the housing when the switches are open. A third portion of the switch actuator passing through the second support opening remains spaced apart from the first support when the switches are open and when a switch is closed using normal closing force. With a switch closed, as movement of the switch actuator continues due to excessive force being applied, the end of the third portion and the bumper pads seat against the first support ensuring that adjacent switches are not closed due to the excessive applied force. Four switches and bumper pads or eight switches and bumpers pads can be used. Alternately the spring may be integrally molded in the second support.
REFERENCES:
patent: 4029915 (1977-06-01), Ojima
patent: 4256931 (1981-03-01), Palisek
patent: 4687200 (1987-08-01), Shirai
patent: 4892981 (1990-01-01), Soloway et al.
patent: 4947461 (1990-08-01), Yoshioka et al.
patent: 4975547 (1990-12-01), Nakayama et al.
patent: 4992631 (1991-02-01), Gee
patent: 5396030 (1995-03-01), Matsumiya et al.
Pezdek John Victor
Scientific-Atlanta, Inc.
Scott J. R.
LandOfFree
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