Sewing machine foot switch operating device

Details Sewing machine foot switch operating device Sewing machine foot switch operating device

1976-05-20

1977-07-26

Croyle, Carlton R.

Machine element or mechanism

Control lever and linkage systems

Elements

112275, 200 865, 200153C, G05G 114, D05B 7500, H01H 314

Patent

active

040374912

ABSTRACT:
This disclosure pertains to an adjustable semi-stationary sewing machine foot switch operating device accommodating various sized foot switch mechanisms and including an operating treadle having a heel rest and a projection therebelow to activate the foot switch when depressed. A rectangular frame having longitudinal slots and two threaded rods provide an adjustable nest securing the foot switch therewithin. The treadle panel is hingeably affixed to the framework and is biased upwardly forming an acute angle to a lateral horizontal supporting surface.

REFERENCES:
patent: 140677 (1873-07-01), Bushfield
patent: 2803971 (1957-08-01), Turner
patent: 2964970 (1960-12-01), Hiegel et al.
patent: 3103905 (1963-09-01), Althens et al.
patent: 3327662 (1967-06-01), Abate et al.
patent: 3521936 (1970-07-01), Coke

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