Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Patent
1997-05-09
1998-09-29
Burr, Edgar S.
Typewriting machines
Key-board or key lever-actuating mechanism
Key-cap or key-stem structure
400490, B41J 512
Patent
active
058137777
ABSTRACT:
A cushioned key including a top face, a bottom face, and four side faces. Each key has a hollow cushion compartment defined by the top face of the key, the side faces of the key and further a divider.
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Burr Edgar S.
Grohusky Leslie
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