Display device for a push button assembly

Details Display device for a push button assembly Display device for a push button assembly

1979-05-03

1980-11-18

Pollard, Steven M.

Electricity: circuit makers and breakers

Electric switch details

Indicators

116279, H01H 900, H01H 916

Patent

active

042347734

ABSTRACT:
The present invention discloses a display device for a push button assembly having, within a push button provided in the front surface thereof with a window, shutters and a display plate of which display surface is faced to said window.
Inserted into said push button is a support axially movable in a manner relative with the push button. The shutters are not pivoted to the push button, but pivoted to the support. The push button is provided with guide grooves for guiding the pivotal movement of the shutters. While being guided by the guide grooves and responsive to the axial relative movement of the support with the push button, the shutters are rotated between two positions, namely a first position where the display surface is screened from the window and a second position where the display surface is exposed to the window.

REFERENCES:
patent: 3715548 (1973-02-01), Schadow
patent: 3845736 (1974-11-01), Golbeck et al.
patent: 3855961 (1974-12-01), Schadow
patent: 4031849 (1977-06-01), Mehta
patent: 4044213 (1977-08-01), Kinney

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