Rail-bearing for rotary shuttles

Details Rail-bearing for rotary shuttles Rail-bearing for rotary shuttles

1976-06-21

1978-02-21

Schroeder, Werner H.

Sewing

Stitch forming

Revolving-hook type

112228, D05B 5714

Patent

active

040746437

ABSTRACT:
A rail-bearing for the shuttle in a shuttle type sewing machine in which the shuttle housing is provided with a circular rail formed to mate with a circular groove in the shuttle. This rail-groove combination is so arranged as to deter jamming of the shuttle by thread or errant bits of debris. This rail-bearing has inherent high speed capabilities and is easy to lubricate and to manufacture.

REFERENCES:
patent: 3447499 (1969-06-01), Nakajima et al.
patent: 3536022 (1970-10-01), Hanyu et al.
patent: 3698333 (1972-10-01), Ketterer

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