Self lubricating linear motion guided screw assembly
US9400047B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2013 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Apr 27, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18744
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A cartridge assembly for use in conjunction with a linear motion guided screw assembly includes (a) a cylindrical housing having an axial bore, at least a portion of the bore being defined by a threaded surface configured to engage a screw shaft; (b) at least one bearing disposed in the axial bore of the housing; (c) at least one retainer ring disposed in the axial bore of the housing; and, (d) a cylindrical lubricant block disposed in the axial bore of the housing, the lubricant block being fabricated from a microporous polymer which is impregnated with a lubricant oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.