Sewing machine looper throw-out mechanism

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

1986-07-29

1987-06-09

Reynolds, Wm. Carter

Sewing

Stitch forming

Chain or double chain

112166, D05B 110, D05B 5732

Patent

active

046711953

ABSTRACT:
A looper throw out mechanism is provided for bodily moving sewing machine loopers from their normal operative position to a servicable position and back. The looper throw out mechanism includes a looper carrier pivotally arranged on the looper drive shaft, a fork like member attached to the looper carrier, a control disc disposed in operative combination with the fork like member for defining the angular displacement limits of the looper carrier, and a manually operated locking device for releasably securing the looper carrier to the looper drive shaft. When looper servicing is desired, the locking device is released by the operator permitting the looper carrier and the loopers to be pivoted to a serviceable position removed from their operative position.

REFERENCES:
patent: 1252696 (1918-01-01), Hugg
patent: 1912959 (1933-06-01), Zeier et al.
patent: 2172321 (1939-09-01), Kucera
patent: 2946301 (1960-07-01), Hacklander
patent: 3141427 (1964-07-01), Gross

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