Cloth presser mechanism with rack and pinion needle rod-drive

Details Cloth presser mechanism with rack and pinion needle rod-drive Cloth presser mechanism with rack and pinion needle rod-drive

1989-04-17

1990-04-10

Falik, Andrew M.

Sewing

Elements

Presser devices

112 98, 112221, 112311, D05B 302, D05B 5514

Patent

active

049150448

ABSTRACT:
A cloth presser mechanism comprises a cloth presser vertically movably supported by an arm of a sewing machine. A needle bar is vertically movably supported by the arm of the sewing machine and has a needle at the lower end thereof. The mechanism further includes a rack fixed to the needle bar, a pinion rotatably supported by the arm of the sewing machine and engaged with the rack, a cam integral with the pinion, a first link having an end pivotally supported by the arm of the sewing machine and a middle portion connected to a roller which rides on the surface of the cam, and a second link having an end pivotally supported by the cloth presser. The other end of the second link is pivotally connected to the other end of the first link.

REFERENCES:
patent: 4292907 (1981-10-01), Gilbride et al.
patent: 4398481 (1983-08-01), Gustavsson
patent: 4438712 (1984-03-01), Ducellier
patent: 4461226 (1984-07-01), Tajima

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