Patent · US Expired

Keyboard mounting mechanism

US6257538A · kind A · utility

14Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1998
Grant dateJul 10, 2001
Priority date
Expiry dateNov 16, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47B2021/0342
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A mechanism for mounting a keyboard supporting surface on a base including a linkage for mounting the surface for vertical swinging movement relative to the base and for vertical tilting movement relative thereto, a lock device for simultaneously locking the surface against swinging and tilting movements, a counterbalance spring for opposing downwardly directed swinging movement of said surface and a return spring for opposing downwardly directed tilting movement of said surface.

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