Stairlift rail and method of forming same
US11753278B2 · kind B2 · utility
1Cited by
32References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 2020 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | May 28, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/0846
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A rail segment for a stairlift and its method of formation are provided. The rail segment includes an elongate tube made of a first material, the tube comprising a first end, a second end, and a longitudinal retaining slot extending from the first end to the second end; a rack made of a second material, the rack comprising a first end and a second end, wherein the rack is held within the retaining slot; and anchor securing the rack within the retaining slot to the tube at or adjacent to ends of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.