Over-center sign stand

Details Over-center sign stand Over-center sign stand

1985-02-07

1987-06-30

Peshock, Robert

Card, picture, or sign exhibiting

Signs

Sign support

40606, 248623, 248469, G09F 700, F16M 1300

Patent

active

046760156

ABSTRACT:
A sign stand for supporting signs in windy environments includes a base, a lower staff portion secured to the base, and an upper staff portion for receiving a display sign. The sign stand includes a platform support having a bracket secured thereto. A platform connected to the upper staff portion is pivotally mounted upon the bracket so that the upper staff portion has a range of pivotal motion in a plane. A spring exerts a force to urge the platform toward the platform support and to control the deflection of the upper staff portion whenever a force is applied to the upper staff portion to tend to rotate the platform about the bracket.

REFERENCES:
patent: 1135372 (1915-04-01), Gibson
patent: 1367830 (1921-02-01), Poole
patent: 1903683 (1933-04-01), Nute
patent: 2099558 (1937-11-01), Belka et al.
patent: 2117148 (1938-05-01), Clark
patent: 2532996 (1950-12-01), Clark et al.
patent: 2602684 (1952-07-01), Pinke
patent: 2949324 (1960-08-01), Birge et al.
patent: 3013381 (1961-12-01), Parsons
patent: 4137662 (1979-02-01), Baumer
patent: 4498657 (1985-02-01), Werner

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