Sewing machine with a sub-table device

Details Sewing machine with a sub-table device Sewing machine with a sub-table device

1976-02-18

1977-07-12

Krizmanich, George H.

Sewing

Elements

Frames

D05B 7500

Patent

active

040346919

ABSTRACT:
A sewing machine comprising a frame, including a base, a free lower arm having a work supporting surface, a base plate, and a sub-table device for converting the sewing machine from a free arm type to a flat bed type and vice versa. The sub-table device includes a connection plate and a support plate, said connection plate being hinged to the base plate in a manner to be turned between a fallen position, in which the connection plate extends horizontally from and frontwards of the end of the base plate, and a raised position in which said connection plate is set upright on the end of the base plate, and said support plate is hinged to said connection plate in a manner to be movable between a lower position in which same is folded in superposed relation to the connection plate which assumes the fallen position and an upper position in which said support plate rises upright in side by side relation to said lower arm, with its top surface substantially continuous with the work supporting surface of the free lower arm.

REFERENCES:
patent: 3557732 (1971-01-01), Simon et al.
patent: 3570431 (1971-03-01), Fresard
patent: 3587500 (1971-06-01), Fresard
patent: 3646900 (1972-03-01), Fresard
patent: 3683833 (1972-08-01), Baruffa et al.

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