Looper throw-out safety catch device

Details Looper throw-out safety catch device Looper throw-out safety catch device

1992-05-15

1993-08-10

Crowder, Clifford D.

Sewing

Stitch forming

Chain or double chain

112200, 112261, D05B 5700, D05B 8500

Patent

active

052339351

ABSTRACT:
A looper throw-out device containing a latch for catching the release lever of the looper throw-out device when the release lever is left in the unlocked position. The latch is mounted on the inside portion of the sewing machine cover. If an operator fails to lock the release lever before sewing, the latch catches the unlocked release lever when the operator attempts to close the sewing machine cover.

REFERENCES:
patent: 1912959 (1933-06-01), Zeier et al.
patent: 2211619 (1940-08-01), Hacklander et al.
patent: 2391519 (1945-12-01), Smith
patent: 2946301 (1960-07-01), Hacklander
patent: 3141427 (1964-07-01), Gross
patent: 3867891 (1975-02-01), Grabher
patent: 4091754 (1978-05-01), Onembo
patent: 4498405 (1985-02-01), Hanyu et al.
patent: 4649841 (1987-03-01), Koshinaka
patent: 4671195 (1987-06-01), Wolff et al.
patent: 4693194 (1987-09-01), Buzzi

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