Chair with articulated, flexible spring backrest

Details Chair with articulated, flexible spring backrest Chair with articulated, flexible spring backrest

1985-08-12

1986-08-05

Lyddane, William E.

Chairs and seats

Back movement resiliently opposed in operating position

Back secured to resilient upright bar or rod

248629, 267153, 297306, 403223, 403291, 403292, A47C 300

Patent

active

046039040

ABSTRACT:
A chair which includes a seat frame having depending leg members and a pair of upstanding, spaced apart members arranged to provide a lower backrest part for the chair and an upper backrest frame part having a pair of spaced apart depending members in registry with the upstanding members, said members being hollow with open extremities, and flexible spring means secured between each pair of members to provide an articulated, flexible spring backrest for the chair. Each flexible spring means includes a molded plastic support strut having a wire cable flexible core to maintain the strut under compression and limit the elongation thereof when a force is exerted on the backrest by a user of the chair.

REFERENCES:
patent: 2404580 (1946-07-01), Van Schwartz
patent: 2539229 (1951-01-01), Colburn
patent: 2587822 (1952-03-01), Corning
patent: 4093305 (1978-06-01), Staroste
patent: 4333683 (1982-06-01), Ambasz

Affiliated with

Also associated with

Rating

Chair with articulated, flexible spring backrest does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chair with articulated, flexible spring backrest, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chair with articulated, flexible spring backrest will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-965366