Horizontally supported planar surfaces – Vertically adjustable
Patent
1989-11-01
1991-01-29
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Vertically adjustable
248244, 108147, A47B 912
Patent
active
049878352
ABSTRACT:
A vertically adjustable work station including a first pair of vertically oriented, spaced rails (5) to be stationarily mounted on an existing wall panel (1) of a conventional work station, a second pair of vertically oriented rails (6) individually, slidably, interlockingly disposed in the first pair of rails (5), a pair of support brackets (3) having engaging teeth (17) protruding therefrom so as to be individually mounted on the second pair of rails (6), a work surface (4) supported by the support brackets (3), a pair of interconnecting channels (8) for respectively interconnecting the first and second pairs of rails (5, 6) and a drive mechanism coupled between the interconnecting channels to move the channels toward or away from each other so as to attendantly displace the work surface (4).
REFERENCES:
patent: 1527895 (1925-02-01), Mazoch
patent: 3982801 (1976-09-01), Heidorn et al.
patent: 4604956 (1986-08-01), Grebel et al.
patent: 4619208 (1986-10-01), Kurrasch
patent: 4627364 (1986-12-01), Klein
patent: 4651652 (1987-03-01), Wyckoff
patent: 4881471 (1989-11-01), Schwartz et al.
Everman Wilburn D.
Schwartz Edward M.
Aschenbrenner Peter A.
Edtech Company
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