Bearings – Linear bearing – Lubricating
Patent
1999-07-07
2000-10-24
Hannon, Thomas R.
Bearings
Linear bearing
Lubricating
384 16, 384 43, F16C 3310
Patent
active
061356387
ABSTRACT:
A linear motion guide unit comprises a round track shaft and a slider surrounding around the track shaft for sliding movement along the track shaft. A lubricating plate assembly for self-lubrication may be simply installed in most prior linear motion guide units, with no need of modification in the basic specification of a slider. Both the lubricating plate assembly and the slider are held by a retaining ring in a radially enlarged bore in the housing of the instrument in such a manner as to be kept from falling off the bore. The lubricating plate assembly includes a case accommodating therein an end seal and a lubricant plate, which is composed of a lubricant- containing member, made of a sintered resinous component having a porous structure impregnated with lubricant. As the slider moves along the track shaft, the lubricant-containing member may apply incessantly the lubricant to the track shaft.
REFERENCES:
patent: 5399023 (1995-03-01), Winkelmann et al.
patent: 5492413 (1996-02-01), Tsukada
patent: 5547285 (1996-08-01), Hutzel et al.
patent: 5590965 (1997-01-01), Yabe et al.
patent: 5678927 (1997-10-01), Yabe et al.
patent: 5857779 (1999-01-01), Tsukada et al.
patent: 5967667 (1999-10-01), Yatsu
Hannon Thomas R.
Nippon Thompson Co. Ltd.
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