Hydraulic tool with rapid ram advance
US5979215A · kind A · utility
35Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Oct 14, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7613
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hydraulic tool having a frame, a conduit system in the frame, a pump in the conduit system, a ram movably connected to the frame, and a mechanical actuator provided in the conduit system for contacting a rear end of the ram. The conduit system is adapted to conduit hydraulic fluid from the pump against both the rear end of the ram and a rear end of the mechanical actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.