Large key covering several small key fields for a keyboard

Details Large key covering several small key fields for a keyboard Large key covering several small key fields for a keyboard

1999-03-09

2000-09-19

Gellner, Michael L.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200344, H01H 1370

Patent

active

061215635

ABSTRACT:
A large key covering several small key fields of a keyboard has a bearing fork projection (9), lever arms (10 and 11) of which each have an bearing pin (12) that engages a grip slot located in each side of an adjacent guide bush pair (14), with a key ram (5) of the large key ram including a clip collar (16) which, when the large key is pivoted to extend the key ram into a guide bush (6) of the guide body (3), snaps over a protrusion ledge (15) in the guide bush. The large key provides an arrangement that is easy to install, is structured as a single piece, and allows for simple verification of assembly; unlike known large keys covering several small key fields which comprise several parts and are difficult to mount.

REFERENCES:
patent: 4902862 (1990-02-01), Oelsch et al.
patent: 5201824 (1993-04-01), Kato et al.

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