Arrangement for signaling presser bar position

Details Arrangement for signaling presser bar position Arrangement for signaling presser bar position

1983-12-12

1984-07-17

Schroeder, Werner H.

Sewing

Elements

Presser devices

112158E, D05B 2900

Patent

active

044599277

ABSTRACT:
An arrangement for changing the condition of an electrical circuit path when the presser bar lifter is pivoted to lift the presser bar uses a modified thread tension release cam which pivots with the presser bar lifter and a contact strip which is adapted to contact the cam when the presser bar is raised.

REFERENCES:
patent: 2962992 (1960-12-01), Johnson et al.
patent: 3669050 (1972-06-01), Adams
patent: 3777685 (1973-12-01), Baruffa
patent: 4409913 (1983-10-01), Adams et al.

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