Apparatus and method for hydraulically controlling a vehicle restraint
US6896469B2 · kind B2 · utility
9Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 8, 2002 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | Oct 18, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T3/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A valve circuit, including a first and second circuit portion, for hydraulically controlling a loading dock vehicle restraint. The first circuit portion permits raising and lowering of the vehicle restraint. The second circuit portion permits extension and retraction of the vehicle restraint. Preferably, the first and second circuit portion are separate and are configured on the same valve block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.