Gripper with innerlock

Details Gripper with innerlock Gripper with innerlock

1986-05-15

1988-09-13

Zugel, Francis K.

Buckles, buttons, clasps, etc.

Clasp, clip, support-clamp, or required component thereof

Dissociable gripping members

24460, 160392, 160395, 52222, A44B 2100

Patent

active

047698772

ABSTRACT:
A sheet gripping assembly for gripping either single ply or double ply thin pliable sheet material such as plastic film. The gripping assembly has a mating channel to be secured to a support with the sheet material spanning the open channel side, and a channel-shaped cap which snaps over the base channel to grip the sheet material between the channel and cap in such a way that edgewise tension in the sheet material tending to separate the cap from the base channel urges their sheet gripping edges into more firm sheet gripping relation, thereby to more firmly grip the sheet material. The primary application of the invention is securing plastic film to an open frame structure to form a greenhouse enclosure.

REFERENCES:
patent: 3426412 (1969-02-01), Streng et al.
patent: 4103401 (1978-08-01), Conley
patent: 4267876 (1981-05-01), Bloomfield
patent: 4472862 (1984-09-01), Bloomfield et al.
patent: 4473982 (1984-10-01), Monari
patent: 4532744 (1985-08-01), Beneze et al.
patent: 4562634 (1986-01-01), Watts
patent: 4566236 (1986-01-01), Pound

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