Arm top cover hinge for sewing machines

Details Arm top cover hinge for sewing machines Arm top cover hinge for sewing machines

1978-02-24

1978-12-19

Schroeder, Werner H.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Spring

16180, 16DIG13, 312 30, 112258, E05D 1110

Patent

active

041299221

ABSTRACT:
A hinge for the lid contained on the arm top cover of a sewing machine which comprises a pair of cam shaped pivot pins molded into the arm top cover and a pair of saddles molded into the lid and adapted to receive the pivot pins. A plastic spring havng a pivot pin embracing tab at each end is removably fastened to the lid. The plastic spring imparts a "snapping" action to restrain the lid in an open or closed position.

REFERENCES:
patent: 3027857 (1962-04-01), Johnson
patent: 3465381 (1969-09-01), Lawrie et al.
patent: 3952369 (1976-04-01), Erickson

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