Push-button dial assembly for telephones

Details Push-button dial assembly for telephones Push-button dial assembly for telephones

H - Electricity

04

M

379/95

H04M 1/515 (2006.01) H01H 13/70 (2006.01) H04M 1/23 (2006.01)

Patent

CA 1135887

Abstract of the Disclosure A push-button assembly in which a cluster of push- buttons arranged in a circle or in a rectangular matrix, when depressed,engage a common plate positioned beneath the push-buttons. The plate is pivotally supported at its center by a spring which urges the plate towards the push-buttons. When any of the push-buttons is depressed it engages the plate at a point spaced from the central pivot. This causes the plate to tilt about its outer periphery, compressing the spring and actuating a common switch.

340092

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