Cushion for keyboard cursor control stick

Details Cushion for keyboard cursor control stick Cushion for keyboard cursor control stick

1996-09-26

1999-03-30

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345157, G09G 508

Patent

active

058895086

ABSTRACT:
A cushion that can be attached to an existing cursor pointing device (control stick) on a computer or keyboard, or be integrally formed with the cap during manufacture. The cushion is flexible enough to prevent tissue damage to the user's fingers due to repetitive motions over an extended period of use, yet firm enough to transmit the desired pressure to the control stick. The cushion designed to be used on an existing control stick can be applied with an adhesive to a cap, or with a frictional fit directly to the control stick. The cushions are designed to be easily installed and replaced when worn.

REFERENCES:
patent: 5488206 (1996-01-01), Wu
patent: 5568987 (1996-10-01), Frantz
patent: 5570112 (1996-10-01), Robinson
patent: 5670988 (1997-09-01), Tickle
patent: 5701142 (1997-12-01), Brown et al.
patent: 5708562 (1998-01-01), Agata et al.
patent: 5712660 (1998-01-01), Martin
IBM ThinkPad 750 and 750C User's Manual, pp. 4-27 through 4-29, dated prior to invention.

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