Poster clamp

Details Poster clamp Poster clamp

1993-12-21

1995-02-21

Foss, J. Franklin

Supports

Mirror or picture type

Bracket

24 67CF, 401591, 248467, A47F 714

Patent

active

053908899

ABSTRACT:
A poster clamp having a clam-shell clamp having an upper member and a lower member, the upper and lower members rotatable about a common hinge between open and closed positions, and when in the closed position a first clamp arm on the upper member overlaying a first clamp arm on the lower members, and when in the closed position a second clamp arm on the upper member, coplanar with the first clamp arm on the upper member, overlaying a second clamp arm on the lower member, the second clamp arm on the lower member coplanar with the first clamp arm on the lower member, the second clamp arms extending substantially at right angles to the first clamp arms, the first and second clamp arms having longitudinal outside edges, the hinge along the longitudinal outside edges of the first clamp arms, whereby when in the closed position the first and second arms of the upper member are in substantially parallel engagement with the first and second arms of the lower member to thereby releasably frictionally engage a sheet placed between the upper and lower members.

REFERENCES:
patent: D311029 (1990-10-01), Nielson
patent: 1301885 (1919-04-01), Tobiason et al.
patent: 1575789 (1926-03-01), Phelps
patent: 1632856 (1927-06-01), Running
patent: 2143608 (1939-01-01), Morris
patent: 2843901 (1958-07-01), Bukowski
patent: 4190157 (1980-02-01), Chatham
patent: 4268000 (1981-05-01), Ulm
patent: 4459773 (1984-07-01), Sandlin
patent: 4497125 (1985-02-01), Hutchinson
patent: 4525115 (1985-06-01), Garner
patent: 4673152 (1987-06-01), Brown
patent: 4858875 (1989-08-01), Nielson
patent: 4899974 (1990-02-01), Wear et al.
patent: 5199681 (1993-04-01), Reidy
patent: 5212850 (1993-05-01), Perolle
patent: 5255458 (1993-10-01), Piel

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