Drive device for a trolley or similar
US10293847B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2015 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Jan 8, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2200/62
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive device for a handling trolley, including: a chassis; a wheel carrier; a drive wheel; a steering motor for rotating the wheel carrier relative to the chassis; a reduction gear connecting the steering motor to the wheel carrier, the reduction gear including a planetary gear set including an internal sun gear, at least one planet gear, and a planet carrier on which the planet gear is mounted, a ring gear surrounding the internal sun gear and the planet gear. The shaft of the steering motor is fixed relative to the internal sun gear, the wheel carrier is fixed relative to either the planet carrier or the ring gear, and the chassis is fixed relative to the other one of the two components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.