Threading apparatus on a sewing machine

Details Threading apparatus on a sewing machine Threading apparatus on a sewing machine

1990-09-10

1992-02-25

Schroeder, Werner H.

Sewing

Elements

Needles

112221, D05B 8702

Patent

active

050903454

ABSTRACT:
In a threading apparatus on a sewing machine, the drive source is driven and transmits drive force through a transmission to a moving board. The moving board thus lowers and contacts the actuating rod. The actuating rod in turn lowers, thereby lowering and further rotating the threading rod. The threading hook enters the needle eye. The needle is thus threaded. The moving board is provided separately from the actuating rod. When the drive source or the transmission breaks, the actuating rod can be lowered separately from the moving board. Specifically, without driving the drive source, the actuating rod can manually be lowered, so that the threading rod can lower and rotate, and the threading hook is inserted into the needle eye. Since the needle can thus manually be threaded, the position adjustment in the assembling the threading apparatus is facilitated.

REFERENCES:
patent: 2704526 (1955-03-01), Benink et al.
patent: 2727479 (1955-12-01), Meissler
patent: 2739553 (1956-03-01), Zink et al.
patent: 2815727 (1957-12-01), Clauss et al.
patent: 2910029 (1959-10-01), Herbst
patent: 3002476 (1961-10-01), Capelli
patent: 4355591 (1982-10-01), Itoh et al.
patent: 5003899 (1991-04-01), Ogawa

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