Safety vehicle lift
US5716040A · kind A · utility
Inventor
Key dates
| Filing date | Sep 16, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Sep 16, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F7/243
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A safety vehicle lift having a unitary base, a lifting assembly, a drive mechanism, a handle, and a ramp. The base is made of flat rigid construction. The lifting assembly has a lower portion secured to the rear part of the base, a support platform above the lower portion, and cross-linkage elements connecting the lower portion and the support platform in a scissors-like configuration. The support base has side walls, a front end with an upturned edge, and a rear end with an upturned wall. The cross-linkage elements have pivotable ends secured to the rearward parts of the lower portion and the support platform. Each cross-linkage element is made of two bars coupled together. The cross-linkage elements also have ends secured within horizontally disposed recesses within the lower portion and the support platform. A drive mechanism is made up of a jackscrew passing through a threaded cross brace. When the jackscrew is turned, the threaded cross brace moves horizontally. The ends of the cross brace are connected with the horizontally shiftable ends of the cross-linkage elements and move along the horizontally disposed recess of the lower portion, and when the jack screw is turned, ther…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.