Touch-sensitive door control switch

Details Touch-sensitive door control switch Touch-sensitive door control switch

1976-04-02

1977-08-30

Scott, James R.

Electricity: circuit makers and breakers

Special application

Feeler moves into detecting contact with object

H01H 316, E05F 1500

Patent

active

040456315

ABSTRACT:
Disclosed is a touch-sensitive apparatus adapted for mounting on the edges of mass transit vehicle doors. The apparatus provides an elongate flexible housing of which a proximal end portion is rigidly supported by a door edge, and a distal end portion may warp in response to manual pressure to operate a switch and switch actuating assembly enclosed within a longitudinal passageway of the distal portion which controls an electrical circuit for door-opening mechanism. The assembly includes a switch supported in one end of the passageway and a taut cable or other flexible member supported lengthwise of the passageway centrally through spaced support blocks.

REFERENCES:
patent: 1576950 (1926-03-01), Conklin
patent: 2048514 (1936-07-01), Peelle
patent: 2135131 (1938-11-01), Bassett
patent: 2437969 (1948-03-01), Paul
patent: 2493157 (1950-01-01), Merralls et al.
patent: 3670119 (1972-06-01), Gebhardt et al.

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