Revolving file with swivel base

Supports: racks – Sorting type – Desk file

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211 50, 211 58, 40379, 108 94, B42F 1700

Patent

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047904402

ABSTRACT:
A card file of compact and efficient design which is fitted with a compact rotary base and separate stabilizers fastened to the bottom surface of the card file. A swivel base and stabilizers attached to the file housing provide a low profile, lighweight and efficient means by which the card file can be swivelled to any desired position in the horizontal plane. Adjusting means are also available to ensure that the stabilizing means can accommodate any irregularities in the bottom surface of the file or other object to which the swivel is attached in order to provide a proper disposition of the stabilizing elements.

REFERENCES:
patent: D251848 (1979-05-01), Hollerith
patent: D280423 (1985-09-01), Burton et al.
patent: 1894146 (1933-01-01), Baker
patent: 2389923 (1945-11-01), Miller
patent: 2522986 (1950-09-01), Bruen
patent: 2731966 (1956-01-01), Neilsen
patent: 3106920 (1963-10-01), Scholfield et al.
patent: 3260006 (1966-07-01), Dunajew
patent: 3628269 (1971-12-01), Dahl, Jr.
patent: 4035938 (1977-07-01), Neilsen
patent: 4121523 (1978-10-01), Hastings
patent: 4192425 (1980-03-01), Landau et al.
patent: 4406368 (1983-09-01), Hermes

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