Resilient sheet-steel paper clip

Details Resilient sheet-steel paper clip Resilient sheet-steel paper clip

1990-01-19

1990-08-14

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Paper fastener

Resiliently biased

24 673, 24563, B42F 102

Patent

active

049475240

ABSTRACT:
A paper clip is made of resilient sheet-steel which is bent into U-shaped structure. Two holes are punched on the upper portion of the U-shaped sheet-steel to define therewith a ridge portion which can be pressed to recess or bent to project over the level surface of the upper portion thereof so as to open the clip for the insertion therein of sheets of paper or close the clip to clamp sheets of paper. Corrugated portions are transversely and longitudinally formed on the upper portion and the lower portion of the clip respectively to reinforce its clamping effect.

REFERENCES:
patent: D145602 (1946-09-01), Jacobson
patent: 966325 (1910-08-01), Gilbert
patent: 3348272 (1967-10-01), Germani
patent: 4055874 (1977-11-01), Brown
patent: 4706342 (1987-11-01), Yu

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