Telescopic ram
US4191092A · kind A · utility
10Cited by
0References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1977 |
| Grant date | Mar 4, 1980 |
| Priority date | — |
| Expiry date | Nov 16, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/08
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A three-stage, four-section telescopic ram employing a plurality of internal fluid passages, with valving provided in certain of these passages, to produce a uniform overall extension speed when pressure fluid is supplied to the ram at a substantially constant rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.