Automatic color bobbin changer

Details Automatic color bobbin changer Automatic color bobbin changer

1978-05-08

1980-02-05

Schroeder, Werner H.

Sewing

Stitch forming

Shuttle type

D05B 5726

Patent

active

041866770

ABSTRACT:
An automatic color bobbin changer for attachment to a sewing machine, the automatic color bobbin changer having first and second grasping fingers to cooperate together and detach a first bobbin case from a sewing machine and deliver the first bobbin case to a storage area for further use or discarding. The first and second grasping fingers also function in the preferred embodiment to pick up a second bobbin case having thread of the same or different color from the storage area and deliver the second bobbin case into operative engagement with the sewing machine.

REFERENCES:
patent: 2690725 (1954-10-01), Schumann et al.
patent: 2808795 (1957-10-01), Wortham
patent: 3376838 (1968-04-01), Schiffmacher et al.
patent: 4002130 (1977-01-01), Rovin et al.

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