Clip

Details Clip Clip

1991-01-11

1994-01-04

Apley, Richard J.

Exercise devices

Gymnastic

Projector

606151, 247136, A63B 500

Patent

active

052755789

ABSTRACT:
A clip for assisting in fastening and stretching of sheet material, such as a cover, a tarpaulin, a tent, a trampoline pad, etc. The clip is constructed to include an upper plate and a lower plate with each plate having a securing hole at one end. When the plates are in their cooperative position, the securing holes are in alignment with each other. A first one of the plates is constructed to have a plurality of pins extending from one surface with a second one of the plates being constructed to have a plurality of cavities arranged therein. The pins and the cavities are arranged in matching patterns so that when the upper and lower plates are pressed together the pins enter the cavities.

REFERENCES:
patent: 3378010 (1968-04-01), Codling et al.
patent: 3948515 (1976-04-01), McNeil
patent: 4610250 (1986-09-01), Green
patent: 4958417 (1990-09-01), Chou
patent: 4994073 (1991-02-01), Green
patent: 5108422 (1992-04-01), Green et al.

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