High speed sewing machine ruffler

Details High speed sewing machine ruffler High speed sewing machine ruffler

1992-09-29

1994-05-31

Crowder, Clifford D.

Sewing

Work manipulating

Rufflers and gatherers

D05B 3508

Patent

active

053159420

ABSTRACT:
A high speed sewing machine (15) ruffler (16) where the sewing machine output (26, 27) drives a belt (28) which operates a pair of shafts (24, 25) to move a ruffler pusher blade (46) at high speeds. The sewing machine output belt causes shaft (24) to oscillate by a drive lever (35), and causes shaft (25) to rotate by means of drive pulley (29). The oscillating shaft (24) rocks ruffler arm (45) to cause pusher blade (46) to move to and fro, while rotating shaft (25) causes an eccentrically mounted lift link (47), through connector (51), to lift the pusher blade from the material (53) upon the withdrawal stroke and to lower the pusher blade upon the feed stroke.

REFERENCES:
patent: 3000332 (1961-09-01), Sigoda
patent: 3014444 (1961-12-01), Caldwell
patent: 3133516 (1964-05-01), Gorin et al.
patent: 4108094 (1978-08-01), Weigert
patent: 4364317 (1982-12-01), Schneider et al.
patent: 4583472 (1986-04-01), Johnson
patent: 5031554 (1991-07-01), Glenn

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