Switch mechanism for bus doors with manually operated touch bar

Details Switch mechanism for bus doors with manually operated touch bar Switch mechanism for bus doors with manually operated touch bar

1975-09-11

1977-05-10

Scott, James R.

Electricity: circuit makers and breakers

Special application

Feeler moves into detecting contact with object

49 27, H01H 316, E05F 1500

Patent

active

040229963

ABSTRACT:
Disclosed is an apparatus for use in opening bus doors and the like comprising a touch bar supported by having its ends received in a pair of housings within one or both of which is mounted a reciprocal electrical switch mechanism responsive to lateral movement of the touch bar in any direction relative to a housing containing the switch mechanism. Switch actuation is obtained by providing opposed concave surfaces in fixed association with the touch bar and associated housing with the surfaces operated by a round element, such as a ball. Any rolling of the ball from centered position causes parting movement of the elements defining opposed concave surfaces and linear movement of one of the elements useful for switch actuation.

REFERENCES:
patent: 2523645 (1950-09-01), Bruestle
patent: 2687455 (1954-08-01), Norman
patent: 3330923 (1967-07-01), Brockmeyer et al.
patent: 3537211 (1970-11-01), Guilbert, Jr. et al.

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