Clamp

Details Clamp Clamp

1985-06-13

1986-11-18

Bell, Paul A.

Books, strips, and leaves

Book or leaf holder

281 48, 24 673, B42D 1700, B42D 500, B42F 900

Patent

active

046231692

ABSTRACT:
An apparatus for clamping a pad of large papers to an upright support includes a back support adapted to mount to the upright support and a clamping member pivotally mounted to the back support and movable with respect to the back support between an open position for insertion of the paper pad between the back support and clamping member, and a closed position in which the clamping member clamps the paper pad against the back support. An elongated, extruded aluminum alloy spring is connected between the clamping member and back support for locking the clamping member in both the open and closed positions.

REFERENCES:
patent: 1039296 (1912-09-01), Krumming
patent: 1370852 (1921-03-01), Stinger
patent: 1632459 (1927-06-01), Van Valkenburgh
patent: 1743718 (1930-01-01), Lotter
patent: 1828417 (1931-10-01), Keleher
patent: 2282565 (1942-05-01), Crowley
patent: 2658773 (1953-11-01), Tarris
patent: 2882633 (1959-04-01), Howell
patent: 2941324 (1960-06-01), Waxgiser
patent: 3310901 (1967-03-01), Sarkisian
patent: 3947138 (1976-03-01), Eshelman
patent: 4138787 (1979-02-01), Sarkisian et al.
patent: 4145828 (1979-03-01), Hillstrom

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