Telephone hook switch with elastomeric contact member

Details Telephone hook switch with elastomeric contact member Telephone hook switch with elastomeric contact member

1985-03-18

1987-11-24

Brown, Thomas W.

Telephonic communications

Terminal

Switch or switch actuator structure

379368, 379429, H04M 108

Patent

active

047093897

ABSTRACT:
A telephone hook switch uses an elastomeric member as the contact making member. A hook switch has a pivotally mounted actuating member having two levers extending in opposite directions, one on each side of the pivot axis. One lever is moved by the positioning, and removal, of a handset, the actuating member being biased to a particular pivotal direction. The other lever presses on a deformable projection in the elastomeric member. Depression of the projection causes an electrically conducting layer to move into contact with contact areas of a switch position on a printed circuit board.

REFERENCES:
patent: 4328399 (1982-05-01), Perks et al.
patent: 4365118 (1982-12-01), Lindman et al.
patent: 4556763 (1985-12-01), Draguneviaus et al.

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