Patent · US Expired

Keyboard support assembly

US5230289A · kind A · utility

43Cited by
35References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1991
Grant dateJul 27, 1993
Priority date
Expiry dateMay 31, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S248/918
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An articulated, manually adjustable keyboard support apparatus including an elongated, transverse support member, first and second arms pivoted to the support member and a keyboard platform or tray subassembly joined to lower ends of the arms. The transverse support member is joined to a beam by a first vertical hinge. The beam is pivoted to a slide by a second vertical hinge. The slide is received in a track. Springs counterbalance the weight of a keyboard positioned on the platform subassembly. A palm rest subassembly is adjustably mounted on the platform subassembly.

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