Bush bearing and rack-and-pinion type steering apparatus for automobile using the same
US8418583B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2009 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Dec 9, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/216
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A bush bearing 1 is comprised of: a synthetic resin-made bush 15 including a flexible semi-split cylindrical body 5 having an abutment portion 3 for slidably abutting against a rack shaft 25 and including a flexible open-ended annular body 14 which has a portion 6 formed integrally at one end face of the semi-split cylindrical body 5 and circular arc-shaped extended portions 12 and 13 whose distal ends 9 and 10 are opposed to each other with a clearance 11 in a circumferential direction R; and an elastic member 22 including an elastic body 21 for abutting against an outer surface 20 of the semi-split cylindrical body 5 and retained portions 16 and 17 which are respectively retained by both end portions 23 and 24.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.