High speed gill box

Details High speed gill box High speed gill box

1979-09-19

1981-10-13

Rimrodt, Louis

Textiles: fiber preparation

Working

Combing

19129R, D01G 1910

Patent

active

042939836

ABSTRACT:
A high speed gill box having an upper head and lower head each of which contains a compliment of individual unconnected faller bars constrained to move in a smooth closed loop path. Each head is constructed to engage the associated faller bars outside of the pinned area to guide the faller bars through the closed loop path. Cam tracks are provided outside of the faller bar guide paths for engaging a crank arm extending away from the main pinned portion of each faller bar to provide proper orientation as the faller bar moves along its fixed path. Sprocket drives are provided in each head for engaging some of the faller bars and pushing them along the closed loop path. The pushed faller bars, as they exit the drive sprockets, push the faller bars ahead of them through the closed loop path. The drive sprockets are mounted at one end of the drafting zone while idler sprockets are mounted at the other end of the drafting zone to facilitate movement of the faller bars from the drafting zone. A driven crowder roll is provided ahead of where the faller bars are engaged by the drive sprockets to engage and crowd the bars together before they reach the drive sprockets. Crowding of the faller bars assures that each bar enters the drive sprocket smoothly. Since there may be a small separation between the faller bars at some point in the closed loop path, the crowder roll is necessary to assure high speed operation.

REFERENCES:
patent: 717380 (1902-12-01), Fraser et al.
patent: 2596764 (1952-05-01), Dotti
patent: 2666958 (1954-01-01), Dotti
patent: 2740996 (1956-04-01), Dudley et al.
patent: 2946097 (1960-07-01), Hoppner et al.
patent: 3984897 (1976-10-01), Takao
patent: 4107821 (1978-08-01), Herubel

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