Articulated keyboard shelf

Details Articulated keyboard shelf Articulated keyboard shelf

1999-03-25

2000-08-08

King, Anita M.

Supports

Armrest or headrest

Armrest for writer

2481183, 2481185, 248918, B43L 1500

Patent

active

060989351

ABSTRACT:
An adjustable support for a data input device and the like including a base attached to an associated worksurface, a platform shaped to support the data input device thereon and having a front portion and a rearward portion, and a support arm having one end pivotally joined with the base, and an opposite end pivotally joined to the rearward portion of the platform. Also included is a locking member fixed to the support arm, and an elongate brake element wrapped around the locking member, and having one end coupled to the base and a second end connected with the platform at a point spaced from the opposite end of the arm such that rotation of the tray about the coupling at the second end of the support arm releases the brake element and permits changes in the elevation of the support with respect to the base, and the moment of the platform and any associated input device tenses the braking element against the locking member and locks the platform in its selected position.

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Exhibit A is a Details Advertisement on Details Keyboard Solutions, 1993.
Exhibit A (4 pgs.) is a prior art Hafele "K-Board Computer Keyboard" support mechanism, Cat. No. 639.97.302, offered for sale at least as early as Nov. 21, 1994.

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