The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 08, 1991
Filed:
Dec. 15, 1989
Applicant:
Inventors:
John C Davis, Lake Worth, FL (US);
John C Irwin, Boca Raton, FL (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
341 22 ; 74527 ; 400682 ;
Abstract
A system which is physically oriented in a vertical plane, is attached to a wall, and has a hinged keyboard. The keyboard is attached to the system solely by a hinge which has at least three positions. The hinge has a closed position to minimize space when the system is not used, an open position during normal use, and a breakway position to release the keyboard when excessive pressure is applied. The breakway keyboard eliminates damage caused by excessive pressure placed on the keyboard due to a person leaning on the board.