专利名称：Spring actuated clamp发明人：Richard E. Penniman申请号：US06/812533申请日：19851223公开号：US04687229A公开日：19870818
摘要：A clamp for a posting board having a clamp arm and hinge which provides thedesired clamping force to retain papers on the board, as desired, and also providing acontinuous opening force when rotated beyond a fulcrum position defined by a pivotingextension tab of the hinge and a cantilevered leaf spring.
申请人：REP IND INC
代理机构：Seidel, Gonda, Goldhammer & Abbott
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