Work holder for sewing machines

Sewing – Special machines – Darning

Patent

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Details

112114, D05B 300, D05B 2100

Patent

active

047635878

ABSTRACT:
Improved work holding means including work clamp frames having quick disconnect means whereby the clamp frames can be quickly changed without loss of rigidity, accuracy, or holding power of the clamping structure.

REFERENCES:
patent: 688961 (1901-12-01), McDonald
patent: 3575121 (1971-04-01), Berube
patent: 3606849 (1971-09-01), Forte et al.
patent: 3774558 (1973-11-01), Scholl et al.
patent: 4587910 (1986-05-01), Raines
patent: 4589359 (1986-05-01), Scholl
patent: 4643115 (1987-02-01), Junemann

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