Buckles – buttons – clasps – etc. – Paper fastener – Resiliently biased
Patent
1990-09-24
1992-01-14
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Paper fastener
Resiliently biased
24499, 24511, A44B 2100
Patent
active
050798081
ABSTRACT:
A paper clip comprising a pair of plate elements having clamping edges, hingedly connected together. A cantilever spring extends from an inner surface of one plate element and engages with the inner surface of the opposite plate element. The cantilever spring can provide increasing clamping force with increasing document thickness.
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Klima William L.
Sakran Victor N.
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