Patent · US Expired

Breakaway keyboard

US5055839A · kind A · utility

9Cited by
12References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 1989
Grant dateOct 8, 1991
Priority date
Expiry dateDec 15, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20636
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.