Jack assembly
US9896067B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2013 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Feb 2, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F3/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A jack assembly is shown and describe. The jack assembly may include a first tube having first and second end portions and a central portion between the first and second end portions, and a second tube positioned within the first tube and movable with respect to the first tube. The jack assembly may also include an expanded portion on the first tube, the expanded portion having a larger inner diameter than an inner diameter of the central portion, and a bushing attached to the expanded portion, where the bushing generally prevents contact between the first and second tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.