Bobbin case retaining means

Details Bobbin case retaining means Bobbin case retaining means

1981-06-19

1983-11-08

Reynolds, Wm. Carter

Sewing

Stitch forming

Revolving-hook type

112231, D05B 5714, D05B 5726

Patent

active

044135793

ABSTRACT:
A bobbin case positioning and retaining structure of one piece unitary construction for maintaining the bobbin case in proper operating position. The bobbin case is held captive without the need for operator manipulatable locking devices.

REFERENCES:
patent: 1996290 (1935-04-01), Gunther
patent: 3373707 (1968-03-01), Ketterer
patent: 3416472 (1968-12-01), Johnson
patent: 4121527 (1978-10-01), Johnson
patent: 4292906 (1981-10-01), Johnson

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