Buckles – buttons – clasps – etc. – Clasp – clip – support-clamp – or required component thereof – Including pivoted gripping member
Patent
1988-09-06
1989-11-21
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Clasp, clip, support-clamp, or required component thereof
Including pivoted gripping member
24501, A41F 100
Patent
active
048813044
ABSTRACT:
An improved self-tightening pivotable gripper is provided in a gripper having two pin members and an elongated leaf spring, in which the pin members each have a jaw and pivot arm with a pivot portion therebetween and in which the spring bends around and joins the pin members at their respective pivot portions, so that the jaws and pivot arms are positioned in opposed pivotable relationship. The improvement includes providing one of the pivot arms with a backer wall therein to support a section of the spring which extends outwardly from the pivot portion and proximate the backer wall in the inside thereof and then bends to cross diagonally and inwardly toward the pivot zone of the two pin members and extends proximate the other of the arms in a diagonal spring span, so as to contact such other arm when an outward pressure of e.g. a clothesline, is applied to the spring span so that the pivot arms are pushed apart more tightly, closing the jaws more tightly on a load e.g. a towel. In a further improvement, in some embodiments of the invention, the leaf spring after bending around a cross member of one pin member, then reverse bends around a cross member of the other pin member to hold the jaws thereof in close alignment.
REFERENCES:
patent: 236242 (1881-01-01), Newth
patent: 1103455 (1914-07-01), Tufts
patent: 2920365 (1960-01-01), Colangelo
patent: 3131449 (1964-05-01), Iida
patent: 3349453 (1967-10-01), Iida et al.
patent: 3456262 (1969-07-01), Coon
Sakran Victor N.
Stover Thomas C.
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