Timing arrangement for a sewing machine

Details Timing arrangement for a sewing machine Timing arrangement for a sewing machine

1985-04-16

1986-04-15

Reynolds, Wm. Carter

Sewing

Elements

Driving mechanisms

112221, 112323, D05B 6902, D05B 2702

Patent

active

045820082

ABSTRACT:
In a sewing machine, needle bar and take-up motion is timed to feed dog motion through a constant breadth cam and gear in predetermined angular positions on the arm shaft, a gear on a vertical shaft in mesh with the arm shaft gear according to timing marks on the gears, and a lift cam in a predetermined angular position on the vertical shaft relative to the gear thereon.

REFERENCES:
patent: 368925 (1887-08-01), Angell
patent: 428508 (1890-05-01), Merrow
patent: 1145620 (1915-07-01), Seymour
patent: 1363140 (1920-12-01), Merritt
patent: 2392793 (1946-01-01), Wood
patent: 3023722 (1962-03-01), Johnson
patent: 3408970 (1968-11-01), Kakinuma
patent: 4428316 (1984-01-01), Patricia et al.
patent: 4474124 (1984-10-01), Yamazawa
Bricker, Automobile Guide, Audel & Co., Indianapolis, Ind., 1969, p. 590.
Toyota, Chilton Book Co., Philadelphia, Pa., 1970, p. 25.

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