Ball screw lubricated with oil-containing polymer

Details Ball screw lubricated with oil-containing polymer Ball screw lubricated with oil-containing polymer

1997-02-19

1999-05-25

Jeffery, John A.

Machine element or mechanism

Gearing

Teeth

74 8915, 744248R, 277562, F16H 2524

Patent

active

059061367

ABSTRACT:
Nut 2 in threadable engagement with the screw shaft 1 of a feed screw apparatus is fitted with a lubricant supply device 30 which also serves as a seal. This device is made of a lubricant-containing rubber or synthetic resin and has a plurality or projections 31 in the inner surface that contact the outer circumference of the screw shaft 1. The lubricant in said rubber or synthetic resin slowly seeps out unoxidized for an extended period of time to perform effective lubrication.

REFERENCES:
patent: 3541011 (1970-11-01), Davis et al.
patent: 3547819 (1970-12-01), Davis et al.
patent: 3729415 (1973-04-01), Davis et al.
patent: 3945776 (1976-03-01), Morita
patent: 4148226 (1979-04-01), Benton
patent: 4239632 (1980-12-01), Baile
patent: 5168767 (1992-12-01), Morita
patent: 5749266 (1998-05-01), Tsukada

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