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US 4,913,071 AGranted
Automatic feeding device for sewing machine having a cylinder, an arm reciprocated by the cylinder and a feeder connected to the arm
AssigneeTachi-S Co., Ltd.
InventorKiyoshi Kawasaki
Life of this patent
Estimating the term…
Abstract
An automatic feeding device for a sewing machine, comprising an arm, a cylinder fixed to one end of the arm, and a feeder provided on the other end of the arm. A base cloth is inserted into the feeder and transferred by the cylinder to an operative point adjacent the sewing machine, and further transferable back to a non-operative point away from the sewing machine, in an automatic way. The base cloth is retained and prevented against reverse movement within the feeder which includes a plurality of stopper pins, and forward and rearward retaining members.
Claims8
An automatic feeding device for use in a sewing machine, comprising:
- a cylinder fixed on a table of the sewing machine;
- an arm having a base end part connected to said cylinder so that said arm is movable towards and away from a sewing portion of the sewing machine by means of said cylinder causing automatic feeding of a base cloth;
- and
- a feeder provided at a free end part of said arm, said feeder being so adapted that the base cloth is inserted therethrough and including:
- (a) a clearance defined in said feeder, said clearance being of a dimensions sufficient for said base cloth to pass therethrough;
- (b) a forward retaining means provided at a forward end of said feeder;
- said forward retaining means being adapted to bend and retain said base cloth;
- (c) a rearward retaining means provided at a rearward end of said feeder opposite the forward end;
- said rearward retaining means being adapted to bend and retain said base cloth;
- and
- (d) a plurality of stopper pins provided within said feeder such that they are disposed between said forward and rearward retaining means and oriented in a direction wherein said base cloth is fed for sewing by said sewing machine;
- and
- wherein said base cloth is prevented against reverse movement and retained unmoved within said feeder while said feeder is being transferred by means of said cylinder.
10 more elements
Dependencies are inferred from the claim text.