Signals and indicators – Bells – Gong type
Patent
1975-06-18
1977-06-28
Queisser, Richard C.
Signals and indicators
Bells
Gong type
200309, H01H 916
Patent
active
040318494
ABSTRACT:
A push button switch position indicator wherein a push button head with a window has a carrier mounted in the head to move longitudinally relative thereto, the carrier carrying a signal surface and at least one shutter which is responsive to the movements of the button head so that the signal surface is uncovered by the shutter when the button head is depressed, and covered thereby when the button head is not depressed.
REFERENCES:
patent: 3715548 (1973-02-01), Schadow
patent: 3845736 (1974-11-01), Golbeck et al.
patent: 3855959 (1974-12-01), Hinze
Mehta Engineering Enterprise
Queisser Richard C.
Yasich Daniel M.
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