Electricity: circuit makers and breakers – Special application – Feeler moves into detecting contact with object
Patent
1996-10-01
1999-07-06
Coggins, Wynn Wood
Electricity: circuit makers and breakers
Special application
Feeler moves into detecting contact with object
H01H 316
Patent
active
059200448
ABSTRACT:
A pressure responsive switch includes a flexible hollow cord member which includes a predetermined wall portion and an opposing portion which generally opposes the predetermined wall portion. In a transverse cross section of the hollow cord member, a neutral axis of the cord switch is located to the predetermined wall portion side from the center of the distance between the predetermined wall portion and the opposing portion. A contact portion is disposed inwardly of the hollow cord member and extends on a portion of the predetermined wall portion along the longitudinal direction of the hollow cord member. A contact body is disposed apart from the contact portion and extends along the longitudinal direction of the hollow cord member, the contact body being disposed inwardly of the hollow cord member and extending from the opposing portion to portions between the predetermined wall portion and the opposing portion in the hollow cord member, as viewed from a transverse cross section of the hollow cord member.
REFERENCES:
patent: 3710050 (1973-01-01), Richards
patent: 4532388 (1985-07-01), Sackmann et al.
patent: 5023418 (1991-06-01), Beckhausen
patent: 5072080 (1991-12-01), Beckhausen
patent: 5296658 (1994-03-01), Kramer et al.
patent: 5481076 (1996-01-01), Mullet et al.
Kaji Tetsuya
Kurihara Norihisa
Asmo Co. Ltd.
Bridgestone Corporation
Coggins Wynn Wood
Hayes Michael J.
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