Hydrostatic system for lift truck
US5152658A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1991 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Mar 11, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/07572
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
This invention relates to a hydrostatic axle for a lift truck comprising a frame, two displacement members coupled to motors and a mast for handling mounted to pivot with respect to said frame, this axle comprising two drive assemblies, right- and left-hand, each comprising a hydrostatic motor and a brake and being coupled to one of said displacement members. According to the invention, a) each of the motors is a slow motor coupled to the corresponding displacement member without the interposition of a speed reducer; b) the two motors and the two brakes are contained in a single resistant beam fixed on the frame of the list truck; and c) the handling mast is pivitally mounted on said beam via at least two pivot bearings. One application of the invetion is the economical production of a resistant lift truck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.