Modular frame for stretching sheet material suitable for home us

Details Modular frame for stretching sheet material suitable for home us Modular frame for stretching sheet material suitable for home us

1975-06-16

1976-03-09

Larkin, G. V.

Textiles: ironing or smoothing

Smoothing implements

Stretchers

381025, D06C 308

Patent

active

039422720

ABSTRACT:
Disclosed is a modular, collapsible and adjustable rectangular frame for stretching sheet material which is particularly adapted for use in hobby activities such as rug-tufting. The basic frame comprises four identical side bars and four identical legs. Each of the side bars and legs is integrally molded of a substantially homogeneous material such as a thermoplastic material. Additionally, there are extension bars each of which is also integrally molded of a substantially homogeneous material. Each of the side and extension bars has a connecting insert extending away from the bar at one end thereof and a corresponding connecting tunnel extending into the other end. The frame is assembled by frictionally fitting the connecting insert of one bar into the connecting tunnel of another bar to form a rectangle and by frictionally fitting each leg into a corresponding leg tunnel of each side of the rectangle. The size and shape of the frame is changed by adding or subtracting extension bars. Sheet material, such as fabric, is stretched by lacing the material over the frame by a web secured on suitable web engaging projections extending away from the frame from each bar.

REFERENCES:
patent: 2456225 (1948-12-01), Thomas
patent: 3830278 (1974-08-01), Packer
patent: 3841008 (1974-10-01), Cusick
patent: 3878629 (1975-04-01), Grube

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