Buckles – buttons – clasps – etc. – Paper fastener – Resiliently biased
Patent
1988-08-29
1990-04-24
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Paper fastener
Resiliently biased
24546, B42F 102
Patent
active
049187899
ABSTRACT:
A clip with triangular cross section is a paper clip provided with a step, which is vertical to the planes formed by the clip wire, at the narrower end of the U-shaped clip wire such that two planes constructed by the U-shaped clip wire are formed by the step. These two planes are made to tilt toward each other at the end opposite from the end where the step is formed such that the clip with triangular cross section is capable of clipping either thin or thick stack of papers or any sort of sheets.
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patent: 4497091 (1985-02-01), Elliott
Chen Feichu H.
Chen Haw-Renn
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