Supports – Stand – Understructure
Patent
1976-04-27
1978-07-18
Staab, Lawrence J.
Supports
Stand
Understructure
248 24, 248358R, F16M 1120
Patent
active
041011066
ABSTRACT:
This invention is concerned with a device for application to the feet of tables, chairs, desks, stands, files, etc., generally any surface to be levelled, to allow for the minor discrepancies of their not being in the same plane, or for minor discrepancies in the plane of a floor, so that the device can automatically and differentially correct for the degree of difference among the three or four legs of the table or chair, or the supporting surface which contacts the floor.
REFERENCES:
patent: 938504 (1909-11-01), Nodine
patent: 1388967 (1921-08-01), Noble
patent: 3043049 (1962-07-01), Gleason
patent: 3311338 (1967-03-01), Culley
patent: 3351027 (1967-11-01), Ellard et al.
patent: 3425652 (1969-02-01), Leary
patent: 3679159 (1972-07-01), Bach et al.
patent: 3721096 (1973-03-01), Deckert et al.
patent: 4015808 (1977-04-01), Carroll
Batova Kemal
Denkinger Marian C.
Collard Allison C.
Staab Lawrence J.
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