Bearing for the spinning rotor of an open-end spinning assembly

Details Bearing for the spinning rotor of an open-end spinning assembly Bearing for the spinning rotor of an open-end spinning assembly

1978-04-27

1980-02-05

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

57 92, 57133, 308156, 308169, 308172, D01H 112, D01H 712, F16C 124, F16C 1912

Patent

active

041865480

ABSTRACT:
A bearing arrangement is provided for a rotor shaft of an open-end spinning assembly which includes a ball engageable with the end of the rotor shaft opposite the spinning rotor to axially support the same. The ball is wettable by a lubricant supplied by a wick in contact therewith and is supported in a step bearing housing which includes a retainer member having a cup-shaped portion directly engaging the ball at the side thereof opposite the rotor shaft. In order to transmit operational vibrations from the spinning assembly to the ball so as to improve lubrication of the ball by moving the same, the entire step bearing housing means is supported at a component of the spinning assemby in such a manner that the component vibrations are transmitted to the bearing housing, and thence to the retaining member and ball. With this construction, the bearing housing and the retaining member for the ball itself are constructed substantially compact and rigid since the vibrations are transmitted to the entire bearing housing, rather than to only a ball retainer as in certain prior arrangements.

REFERENCES:
patent: 3779620 (1973-12-01), Stahlecker
patent: 3807157 (1974-04-01), Stahlecker
patent: 3813134 (1974-05-01), Wijnant et al.
patent: 3838560 (1974-10-01), Stahlecker
patent: 3951479 (1976-04-01), Stahlecker
patent: 4022008 (1977-05-01), Pimiskern et al.

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