Button locating clamp for sewing machines

Details Button locating clamp for sewing machines Button locating clamp for sewing machines

1983-04-27

1984-11-06

Reynolds, Wm. Carter

Sewing

Elements

Presser devices

112112, D05B 316, D05B 2900, D05B 9710

Patent

active

044805640

ABSTRACT:
A work holding clamp for a four hole button sewing machine includes a button holding foot formed with a needle accommodating aperture having an hourglass shape with four recesses arranged at the corners of a square pattern graphically to indicate to an operator the proper hole orientation.

REFERENCES:
patent: 649871 (1900-05-01), Merritt
patent: 712191 (1902-10-01), Hogan
patent: 2513633 (1950-07-01), Folsom
patent: 2942565 (1960-06-01), Johnson
patent: 3143092 (1964-08-01), Glassman et al.
patent: 3165080 (1965-01-01), Castelletti
patent: 3356053 (1967-12-01), Potvin
patent: 4069779 (1978-01-01), Klein
patent: 4197803 (1980-04-01), Marsh

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