Horizontally supported planar surfaces – Tiltable surfaces
Patent
1977-04-22
1978-07-11
McCall, James T.
Horizontally supported planar surfaces
Tiltable surfaces
108115, 312231, A47F 512, A47B 2700
Patent
active
040994694
ABSTRACT:
A drafting table which can be folded together by simple manipulation so as to occupy very little space during packing, transportation, or storage. The table comprises two outriggers, two supporting columns, and a table plate. The supporting columns are each composed of two telescoped bars, and the outriggers are respectively pivotable about the inner of these bars.
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patent: 3141260 (1964-07-01), Donipier
patent: 3365258 (1968-01-01), Downing
patent: 3476456 (1969-11-01), Canavan
patent: 3745935 (1973-07-01), Douglas
Fritschi Albert
McCall James T.
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