Adjustable hydraulic jack with a slider locking structure
US9499377B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2014 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Nov 14, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F3/38
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An adjustable hydraulic jack with a slider locking structure that includes a chassis, hydraulic assembly, boom assembly, and handle lever. The boom assembly includes a bracket, a fore arm, and a rear arm. The bracket includes a pull handle, left and right bracket side-plates, and a bracket-fixing pin. The bracket is connected to one end of the fore arm, the other end of the fore arm is connected to one end of the rear arm, and the other end of the rear arm is connected to the chassis. The left and right bracket side-plates have left and right side-plate sockets on their respective bottoms; the fore arm has left and right sliding chutes and a spring-loaded fixing pin fixed on its upper end. A slider locking device is arranged between the bracket and the fore arm, and includes left and right sliders, a spring and at least one pin shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.