Buckles – buttons – clasps – etc. – Clasp – clip – support-clamp – or required component thereof – Having gripping member formed from – biased by – or mounted on...
Patent
1984-01-27
1986-07-01
Lyddane, William E.
Buckles, buttons, clasps, etc.
Clasp, clip, support-clamp, or required component thereof
Having gripping member formed from, biased by, or mounted on...
24 679, 24547, 24549, 24552, B42F 102
Patent
active
045971390
ABSTRACT:
The paper clips of the present invention are more gradually curved to have a substantial lateral extent, so that they will hold a much thicker stack of papers without deformation or buckling, as compared with the standard narrow sharply curved paper clips. More specifically, when a predetermined length of wire is employed, the clips have a ratio of the predetermined length to the width, and to the height of the clip, of between about 4 and 6. In addition, where one end of the wire is arranged to engage a stack of papers on one side and the other end of the wire is arranged to engage the stack of papers on the other side, at a point between the two ends there is a gradually curved portion corresponding generally to one-half the circumference of a circle having a diameter in the order of the transverse dimension of the clip. In one embodiment the clip has an overall generally heart-shaped configuration; and in another embodiment one end of the clip is straight and the other is formed into a relatively tight loop.
REFERENCES:
patent: 31430 (1899-08-01), Powers
patent: 848762 (1907-04-01), Mueller
patent: 879007 (1908-02-01), Root
patent: 1152406 (1915-09-01), Gifford
patent: 1207486 (1916-12-01), Bradley
patent: 2040443 (1936-05-01), Pashoian
patent: 2153724 (1939-04-01), Randall
patent: 2822593 (1958-02-01), Sponsel
patent: 2947047 (1960-08-01), Guzell
patent: 4523354 (1985-06-01), Tsukamoto
Cranmer Laurie K.
Lyddane William E.
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