Feed regulator clamp

Details Feed regulator clamp Feed regulator clamp

1980-10-06

1982-12-28

Hunter, H. Hampton

Sewing

Stitch forming

Feeding work material

112323, D05B 2722

Patent

active

043655696

ABSTRACT:
A feed regulator clamp in the shape of a bell crank having the pivot rod thereof retained in a slot in a sewing machine bed by a flat spring which also may serve to urge the clamp into clamping engagement with a feed regulator. A first arm of the bell crank comprising the clamp is for engagement with the feed regulator and a second arm of the bell crank is for engagement with a cam controlling the engagement of the first arm with the feed regulator. The flat spring which retains the clamp to the sewing machine bed urges the first arm into engagement with the feed regulator whenever permitted by the cam which is circular in cross-section except for a flat spot which, when aligned with the second arm, will permit the first arm to come into clamping engagement with the feed regulator.

REFERENCES:
patent: 3921552 (1975-11-01), Daman et al.
patent: 4018172 (1977-04-01), Ketterer
patent: 4019450 (1977-04-01), Adams
patent: 4095540 (1978-06-01), Kaltenbach et al.
patent: 4114547 (1978-09-01), Russell

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