Caster wheel assembly and a wheelchair comprising the same
US11318786B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 7, 2017 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Dec 7, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B2900/114
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present disclosure relates to a caster wheel assembly (1), comprising: a caster housing (3) provided with an axial channel, a spindle shaft (7) configured to be received by the channel of the caster housing (3), which spindle shaft (7) is inclined relative to the vertical plane when mounted in the caster housing (3) and the caster wheel assembly (1) is in use resting on a horizontal support, the caster housing (3) and the spindle shaft (7) being configured to rotate freely relative to each other, a caster wheel fork (9) having a wheel axle (11) configured to be arranged offset relative to a central axis of the spindle shaft (7), to provide a trail functionality, and a height adjustment mechanism (6) configured to adjust an axial position of the spindle shaft (7) relative to the caster housing (3) based on a rotational position of the spindle shaft (7) in relation to the caster housing (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.