Buckles – buttons – clasps – etc. – Paper fastener – Resiliently biased
Patent
1987-06-05
1988-05-24
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Paper fastener
Resiliently biased
24 671, 24 6711, B42F 100
Patent
active
047456620
ABSTRACT:
An improved clip for clamping papers has a pair of generally T-shaped clamping members each having a clamping portion and two lugs, a pivot pin for interconnecting pivotally the lugs of the clamping members, and a torsion spring mounted on the pivot pin for biasing the clamping portions of the clamping members to abut against each other. The improvement wherein an end of the pivot pin has two axially spaced annular flanges between which the pivot pin passes through a lug of a clamping member and a lug of the other clamping member. The pair of lugs disposed between the flanges are biased by the torsion spring to move in opposite directions and in turn to clamp tightly the pivot pin between the flanges, thereby preventing one of the flanges from outward movement by the obstructing action of the lugs between the flanges.
REFERENCES:
patent: 314769 (1885-03-01), Yeiser
patent: 2500032 (1950-03-01), Helberg
patent: 2501710 (1950-03-01), Boyer
patent: 2862328 (1958-12-01), Wadsworth
patent: 2994934 (1961-08-01), Kraus
patent: 4628572 (1986-12-01), Chang
Sakran Victor N.
Sutton Paul J.
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