Boom-adjustable horizontal hydraulic jack with a pull-lock mechanism
US8905377B2 · kind B2 · utility
1Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Aug 2, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F5/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A boom-adjustable horizontal hydraulic jack with a pull-lock mechanism belongs to a lifting apparatus. The jack comprises a chassis, a hydraulic assembly, a press handle, a boom assembly, and a link rod assembly, wherein, the boom assembly comprises a bearer, a forearm, and a rear arm; the link rod assembly comprises a first link rod and a second link rod; wherein, a pull-lock mechanism is additionally arranged on the bearer, and comprises a guide rod seat, a guide rod, a pull handle, a guide sleeve, a steel rope, a dialing plate shaft, and a locking pin shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.