Alarm indicator responsive to improper position of a control lev

Details Alarm indicator responsive to improper position of a control lev Alarm indicator responsive to improper position of a control lev

1975-10-06

1976-11-02

Swann, III, Glen R.

Communications: electrical

Systems

Call station

340282, G08B 2100

Patent

active

039900649

ABSTRACT:
A sensing arm of an alarm unit is operably associated with a control lever, and arranged to sense the position of the lever. Alarm means are operatively connected to the sensing means and serving to alert an operator when the lever is disposed in an undesirable position, so that he can take corrective action. In order to prevent undesirable sounding of the alarm means, I utilize a position sensitive disabling means operatively connected to the alarm means, to accomplish the inhibiting thereof under certain selected conditions such as when the device controlled by the lever is being serviced.

REFERENCES:
patent: 1236526 (1917-08-01), Zabel
patent: 2036171 (1936-03-01), Fox

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