Sewing – Stitch forming – Feeding work material
Patent
1984-05-31
1985-09-10
Schroeder, Werner H.
Sewing
Stitch forming
Feeding work material
D05B 2702
Patent
active
045399255
ABSTRACT:
An adaptor for sewing machines permits a fabric to be fed past the stitch forming area in a choice of two perpendicular directions. The adaptor includes feed dog means and a support plate for said feed dog means. A first connector assembly produces horizontal backward and forward reciprocating movements of the feed dog and support plate and a second connector arm assembly produces a horizontal sideways reciprocating movements of the feed dog and support plate. A rocker rod assembly mounted below the feed dog and support plate includes a pair of axially aligned rocker rods, one of the rocker rods being a powered rod and the other being a driven rod. The driven rod is operatively connected to the first connector arm assembly and the powered rod is operatively connected to the second connector arm assembly by way of a freely rotatable sleeve mounted on the powered rod. A clutch mechanism includes a slideable member adapted in one position to operatively connect the two rocker rods thereby producing backward and forward reciprocating movements of the feed dog and in a second position to disconnect the two rocker rods and to operatively connect the freely rotatable sleeve to the powered rod thereby producing sideways reciprocating movements of the feed dog.
REFERENCES:
patent: 1354783 (1920-10-01), Seymour
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patent: 2911929 (1959-11-01), Caldwell
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patent: 3004503 (1961-10-01), Erlichman
patent: 3096737 (1963-07-01), Bono
patent: 4187794 (1980-02-01), Ross et al.
Falik Andrew M.
Schroeder Werner H.
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