Lubricated cam drum

Details Lubricated cam drum Lubricated cam drum

1980-01-22

1982-12-28

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

184 1R, 2421583, 2421585, B65H 5428

Patent

active

043657656

ABSTRACT:
The invention deals with problems arising in lubrication of the helical cam grooves of cam drums used in thread traversing mechanisms of winding machines. The drum is provided with an internal space acting as a lubricant reservoir. A passage extends between the space and the groove so that centrifugal force urges lubricant outwardly along the passage from the space towards the groove. Flow along the passage is controlled by a porous sintered metal body which permits a desired degree of a given lubricant to pass along the passage at a given rotational speed.

REFERENCES:
patent: 1028176 (1912-06-01), Ambler
patent: 2704465 (1955-03-01), Haller
patent: 2794517 (1957-06-01), Keith
patent: 3339670 (1967-09-01), McGrew, Jr. et al.
patent: 3373949 (1968-03-01), Swallow
patent: 3891154 (1975-06-01), Dietiker
patent: 3968939 (1976-07-01), Bense
patent: 3984061 (1976-10-01), Schreiber
patent: 4116396 (1978-09-01), Fluck

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