Supports – Stand – Adjustable vertically
Patent
1987-06-04
1989-07-25
Chin-Shue, Alvin C.
Supports
Stand
Adjustable vertically
2481885, 74 8914, 108147, A47B 900
Patent
active
048505633
ABSTRACT:
A desk frame including a base consisting of a pair of vertically extending transversely spaced members, a sub-frame vertically movably adjustably supported by the base, and including a pair of vertically extending members telescopically received within the vertical members of the base, a drive assembly to move the subframe vertically relative to the base, the drive assembly including a rack gear attached to each vertical member of the sub-frame, a pinion gear meshingly engaged with each rack, with the pinion gears being rotatably supported by the base, a shaft extending between the two pinions to transmit rotary power therebetween, a worm gear meshingly engaged with one of the pinions, and rotatably supported by the base, a drive shaft fixed to the worm gear and extending therefrom to a position manually operable by a user of the desk, and wherein the drive shaft is also adapted to be supported by the sub-frame.
REFERENCES:
patent: 732436 (1903-06-01), Owens
patent: 1915802 (1933-06-01), Roshnell
patent: 1957785 (1934-05-01), Knapp
patent: 2829928 (1958-04-01), Callaway
patent: 3140559 (1964-07-01), Crow et al.
patent: 4151804 (1979-05-01), Wache et al.
patent: 4515087 (1985-05-01), Kurrasch
patent: 4627364 (1986-12-01), Klein et al.
Chin-Shue Alvin C.
Ergonomic Equipment Pty. Ltd.
LandOfFree
Adjustable desk frame does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Adjustable desk frame, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adjustable desk frame will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2351915