Work equipment with travel unit lifting device
US11197422B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2017 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Aug 13, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D2101/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An article such as grass clippings collected by work equipment, such as a lawn mower, and stored in a container is allowed to be transported to an area for discarding such a collected article in an energy efficient and a work efficient way without imposing any undue burden on the operator. A collected article container device provided with a collected article container and capable of traveling autonomously is detachably connected to a work equipment main body that has a work unit such as a cutting blade device and is able to travel, the container device being configured to travel in a detached state to a collected article destination by itself. Further, the container device is provided with a lifting device that moves the rear wheels vertically relative to a device frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.