Invention Grant
- Patent Title: Caster wheel assembly and a wheelchair comprising the same
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Application No.: US16349696Application Date: 2017-12-07
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Publication No.: US11318786B2Publication Date: 2022-05-03
- Inventor: Håkan Bergman
- Applicant: PERMOBIL AB
- Applicant Address: SE Timrå
- Assignee: PERMOBIL AB
- Current Assignee: PERMOBIL AB
- Current Assignee Address: SE Timrå
- Agency: McAndrews, Held & Malloy, Ltd.
- Priority: EP16203158 20161209
- International Application: PCT/EP2017/081843 WO 20171207
- International Announcement: WO2018/104461 WO 20180614
- Main IPC: B60B33/04
- IPC: B60B33/04 ; B60B33/00 ; A61G5/04

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).
Information query