Scraper ring
US10626994B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2015 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Dec 20, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/56
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A scraper ring for a linear motion assembly including an annular body having a contact face adapted to contact an inner component, wherein the annular body comprises a material having a coefficient of linear thermal expansion of at least 75×10−6/° C. An assembly for linear motion including an outer component defining a bore and a first annular recess extending radially outward from the bore; an inner component disposed in the bore, wherein the inner component is adapted to translate longitudinally within the bore; and a scraper ring disposed in the first annular recess and contacting the inner component, wherein there is no component disposed between any portion of the spacer ring and the outer component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.