Chairs and seats – Movable bottom – Tiltable
Patent
1981-06-08
1984-10-23
Zugel, Francis K.
Chairs and seats
Movable bottom
Tiltable
297320, 297328, A47C 102
Patent
active
044784546
ABSTRACT:
A body weight chair control in which the chair back and chair seat may be adjusted independently of each other. The chair occupant's body weight is the source of energy in moving both the back and seat. The chair control includes a front link and a rear link, each pivotally mounted on a base link. An intermediate link is pivotally mounted on the rear link, and a seat link is mounted on and between the intermediate link and the front link. A releasable locking mechanism is provided to lock two non-connected links in fixed relation, whereby all five links are locked in fixed relation.
REFERENCES:
patent: 2272980 (1942-02-01), McLellan et al.
patent: 2321385 (1943-06-01), Herold
patent: 2612211 (1952-09-01), Gielow et al.
patent: 2615496 (1952-10-01), Lorenz et al.
patent: 2760556 (1956-08-01), Henrikson et al.
patent: 2796918 (1957-06-01), Luckhardt
patent: 3139305 (1964-06-01), Mizelle
patent: 3356413 (1967-12-01), Radke et al.
patent: 3386770 (1968-06-01), Williams
patent: 3402964 (1968-09-01), Williams
patent: 3537674 (1970-11-01), Kobrehel
patent: 3602537 (1971-08-01), Kerstholt
patent: 3740792 (1973-06-01), Werner
patent: 3989297 (1976-11-01), Kerstholt
patent: 4198094 (1980-04-01), Bjerknes et al.
Steelcase Inc.
Zugel Francis K.
LandOfFree
Weight-actuated chair control does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Weight-actuated chair control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Weight-actuated chair control will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1595575