Clamping devices

Details Clamping devices Clamping devices

1978-10-11

1980-11-04

Foss, J. Franklin

Supports

Brackets

Specially mounted or attached

24248R, E04G 300

Patent

active

042315387

ABSTRACT:
A clamping device for clamping to a parallel sided support, e.g. a desk top or shelf comprises an elongate base on which is rigidly mounted a first arm. A second arm is slidable on the base and carries a screw which engages the rear face of the base to define a pivot axis. A second screw is manually rotatable to engage the base and pivot the arm about the pivot axis until the edge of the face plate engages the base to lock the arm in position. By suitable pre-setting of the screw the arm locks when the face plates are parallel. The clamping device may be used to support a microfilm projector.

REFERENCES:
patent: 556239 (1896-03-01), Ashald
patent: 934676 (1909-09-01), Langslow
patent: 2691201 (1954-10-01), Matthews
patent: 3358957 (1967-12-01), Lindenmuta
patent: 3383101 (1968-05-01), Albert
patent: 3747898 (1973-07-01), Warren
patent: 3756568 (1973-09-01), Mocny et al.
patent: 3841609 (1974-10-01), Smith
patent: 3863900 (1975-02-01), Dagiel
patent: 3881698 (1975-05-01), Marsh
patent: 3909889 (1975-10-01), Emerson

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