Street sweeper having an elevating hopper with supporting outriggers
US4236756A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1978 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Dec 4, 1998 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/047
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A street sweeper having a frame with a cab positioned at a forward end of the frame. A hopper is provided for receiving sweepings carried on the frame behind the cab. Linkage is further provided for enabling the hopper to be moved over the cab to a forward dumping position. Outriggers are positioned at a forward end of the sweeper. Hydraulic circuit means, valve means, and ram means collectively cooperable together and sequentially operable to initially move the outriggers into ground engagement to provide additional support for the hopper when in the forward dumping position and then operable to actuate the linkage to move the hopper over the cab for dumping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.