Sewing machine looper throw-out mechanism

Details Sewing machine looper throw-out mechanism Sewing machine looper throw-out mechanism

1982-03-22

1984-08-07

Reynolds, Wm. Carter

Sewing

Stitch forming

Chain or double chain

D05B 5732

Patent

active

044636962

ABSTRACT:
A looper throw-out mechanism is provided for bodily moving the looper out of its normal operative position for servicing. The throw-out mechanism includes a looper drive shaft having the looper releasably connected thereto, an operator actuated mechanism for selectively disconnecting the looper from its drive shaft to enable free bodily movement of the looper to an inoperative position, and a locking mechanism to prevent undesirable disconnection of the looper from its drive shaft. When looper servicing is desired, the locking mechanism is released by the operator permitting the looper to be disconnected from its actuating shaft and turned to a service position removed from its operative position. Upon its return, the looper is automatically coupled to its drive shaft in an operative position.

REFERENCES:
patent: 1850949 (1932-03-01), Zeier et al.
patent: 1912959 (1933-06-01), Zeier et al.
patent: 2029233 (1936-01-01), Hacklander
patent: 2172321 (1939-09-01), Kucera
patent: 2197256 (1940-04-01), Kucera
patent: 2211619 (1940-08-01), Hacklander et al.
patent: 2239591 (1941-04-01), Clayton
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patent: 2758557 (1956-08-01), Muecke
patent: 3354851 (1967-11-01), Covert
patent: 3696744 (1972-10-01), Etchell
patent: 4044699 (1977-08-01), Marforio
patent: 4091754 (1978-05-01), Onembo
patent: 4308971 (1982-01-01), Straub

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