Patent · US Active

Adjustment device for adjustable chairs

US7815257B2 · kind B2 · utility

12Cited by
26References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 2008
Grant dateOct 19, 2010
Priority date
Expiry dateJul 5, 2028

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47C1/03272
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

Adjustment device for chairs, comprising a back support capable of rotating around a shaft fastened to a support base, said support for the backrest being provided with a blocking plate having a plurality of openings, an insert capable of limited movement in a defined track in the support base to engage and disengage said openings, and an actuator connected to said insert, in which the actuator is operated by a rod connected to a handle that can be operated by the user, said actuator being movable between a release position and a lock position, in which said insert is selectively engaged in one of said openings.

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