Horizontally supported planar surfaces – Plural related horizontal surfaces – Vertically adjustable
Patent
1990-07-13
1992-07-07
Chen, Jose V.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Vertically adjustable
211187, 248241, A47B 900
Patent
active
051273403
ABSTRACT:
An adjustable shelving system having a pair of spaced uprights, each having a pair of spaced columns defining a plurality of mounting apertures which are adapted to receive fasteners securing brackets to the uprights, the brackets, in turn, supporting one or more shelves, each of which is provided with storing grooves for receiving storing units in their upright positions. Each bracket is provided with a pair of spaced slots angularly disposed with respect to a horizontal, one of the slots having an upper wall provided with indentations serving as a ratchet in conjunction with a fastener. The number of indentations that is selected determines incremental vertical movements of adjustability for the shelf. The lower edge of the bracket is provided with an upwardly facing flange which is adapted to receive a downward facing flange of the shelf. The interengagement of the metallic flanges, the metallic construction of the shelf and the upright providing dissipation of accumulated static electricity that could affect the stored units such as circuit boards. The upwardly facing flange is provided with one or more notches to facilitate the grasping of the bracket while positioning the bracket for adjusting the shelf.
REFERENCES:
patent: D294221 (1988-02-01), Sheftel
patent: 4152034 (1979-05-01), Dunning, III
patent: 4669692 (1987-06-01), Mastrodicasa
patent: 4730735 (1988-03-01), Lechnel
patent: 4938442 (1990-07-01), Mastrodicasa
Kozon Anthony
Kutschke Kenneth
Maro Nicholas
Chen José V.
Viking Metal Cabinet Company Inc.
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