Sewing machine bed extension

Details Sewing machine bed extension Sewing machine bed extension

1985-06-10

1986-01-21

Schroeder, Werner H.

Sewing

Elements

Frames

108 1, 312313, D15 69, D05B 7310

Patent

active

045651426

ABSTRACT:
A one-piece sewing machine bed extension including portions which deform as the extension is placed on a sewing machine and generate internal stresses coacting with interlocks between the bed extension and sewing machine so arranged as to firmly secure the bed extension in place in a manner which is augmented by forces applied to the bed extension incident to normal operation and handling of the sewing machine.

REFERENCES:
patent: D276614 (1984-12-01), La Police et al.
patent: 1360357 (1920-11-01), Bauer
patent: 2341975 (1944-02-01), Chason
patent: 2424025 (1947-07-01), Gegauf
patent: 4204493 (1980-05-01), Blackwood et al.
patent: 4314517 (1982-02-01), Kasahara et al.

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