Workpiece tensioning device for a sewing unit

Details Workpiece tensioning device for a sewing unit Workpiece tensioning device for a sewing unit

1977-09-29

1978-09-26

Schroeder, Werner H.

Sewing

Special machines

Darning

11212115, D05B 2100

Patent

active

041161424

ABSTRACT:
A positioning device for a traveling gripper in a sewing unit having a cable element interconnecting the gripper with a return device for applying tension to a workpiece being advanced to the sewing machine and returning the gripper to its starting position upon release of the workpiece therefrom. The positioning device defines the grippers starting position and includes a pair of divergent tongues for receiving the gripper therebetween. The cable element is attached to the gripper at a location displaced from its longitudinal axis and is effective through its pulling force, in pivoting the gripper when entering the positioning device to a location in readiness for the next stitching cycle.

REFERENCES:
patent: 3713408 (1973-01-01), Deeks et al.
patent: 3761073 (1973-09-01), Brain
patent: 3791323 (1974-02-01), Pierson et al.
patent: 3903818 (1975-09-01), Marforio
patent: 4013025 (1977-03-01), Marforio
patent: 4030430 (1977-06-01), Pickert et al.
patent: 4037546 (1977-07-01), Kleinschmidt
patent: 4062309 (1977-12-01), Pollmeier et al.
patent: 4066027 (1978-01-01), Marforio

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