Method and apparatus for changing wind ratio on precision winder

Details Method and apparatus for changing wind ratio on precision winder Method and apparatus for changing wind ratio on precision winder

1987-12-11

1989-05-23

Bui, Thuy M.

Endless belt power transmission systems or components

Plural belts or plural output loads

Plural belts in series via countershaft

74665GE, 474 89, F16H 700

Patent

active

048326631

ABSTRACT:
A timing gear belt and pulley drive apparatus for a precision winder characterized by permitting a change in wind ratios by varying the speed ratio between the winder traverse assembly and the winder chuck assembly without the removal and replacement of gear pulleys. The precision winder drive apparatus comprises a drive motor for driving the chuck assembly and traverse assembly of the winder off of a common motor drive shaft. A plurality of concentric, differently toothed drive gears are mounted for rotation on the motor drive shaft for driving one of the chuck assembly or traverse assembly. A plurality of concentric, differently toothed driven gears are mounted on one of the chuck assembly or traverse assembly in belt drive alignment with the drive gears mounted on the motor drive shaft. A drive gear is mounted for rotation on the motor drive for driving a driven gear on the other of the chuck or traverse assembly. A timing belt is changeable between selected ones of the plurality of drive gear and the plurality of driven gears to change the wind ratio of the winder without changing the drive gear or the driven gear on the other of the chuck or traverse assembly.

REFERENCES:
patent: 2550012 (1951-04-01), Krafka
patent: 2650506 (1953-09-01), Montgomery
patent: 3702570 (1972-11-01), Stikkers
patent: 3813956 (1974-06-01), Whitecar

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