Spring actuated clamp

Details Spring actuated clamp Spring actuated clamp

1985-12-23

1987-08-18

Bell, Paul A.

Textiles: manufacturing

281 45, 24 677, 24 67R, B41L 300, B42D 1700, B42F 100, B42F 500

Patent

active

046872299

ABSTRACT:
A clamp for a posting board having a clamp arm and hinge which provides the desired clamping force to retain papers on the board, as desired, and also providing a continuous opening force when rotated beyond a fulcrum position defined by a pivoting extension tab of the hinge and a cantilevered leaf spring.

REFERENCES:
patent: 1241610 (1917-10-01), Dom
patent: 1370852 (1921-03-01), Stinger
patent: 1632459 (1927-06-01), Valkenburgh
patent: 2926405 (1960-03-01), Moesch
patent: 3645561 (1972-02-01), Kendall
patent: 3752504 (1973-08-01), Dixon

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