Double shelled rolled hemming device and endless feeder

Details Double shelled rolled hemming device and endless feeder Double shelled rolled hemming device and endless feeder

1992-04-15

1993-08-17

Crowder, Clifford D.

Sewing

Work manipulating

Guides

112143, 112147, 112153, 112322, D05B 3504, D05B 3510

Patent

active

052359239

ABSTRACT:
A device for producing a rolled hemming of a cloth including a rolling tool for rolling an edge of said cloth therein. The tool has an outer shell member and an inner shell member. A spiral shaped gap is formed between the shells for feeding the cloth edge therethrough. The gap has an entry opening for receiving the cloth edge and a discharge opening from which the cloth edge is discharged. The width of said gap decreases from the entry opening to the discharge opening. The tool is fixedly mounted upstream of a presser foot of a sewing machine with respect to a feeding direction of the cloth and downstream of the presser foot with respect to a cloth edge rolling direction. A cloth feeding mechanism for coercively tucking the cloth into the rolling tool in the rolling direction includes an endless sliding member for clamping the cloth edge at a portion of the shells whereby a portion of the cloth is exposed out of both shell members; and a rotary driving mechanism for driving the endless sliding member.

REFERENCES:
patent: 1857058 (1932-05-01), Maier
patent: 2869494 (1959-01-01), Anderson et al.
patent: 3922978 (1975-12-01), Smith
patent: 4572094 (1986-02-01), Taddicken
patent: 4653414 (1987-03-01), Harrington
patent: 4660486 (1987-04-01), Arbter
patent: 4714036 (1987-12-01), Raisin et al.
patent: 4924787 (1990-05-01), Hansberry

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