IP Library Granted Patent US 10,836,607
Granted Patent B2
US 10,836,607 · App. 16/096,509 · Granted Nov 17, 2020

Stairlifts

Inventor: Max Daniel Woodhams (Hampshire, GB)
Assignee: Stannah Stairlifts Limited
B66B9/0846
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Quick Facts
Patent No.
US 10,836,607
App. No.
16/096,509
Granted
Nov 17, 2020
Kind
B2
Abstract

A stairlift rail is configured to cause a stairlift carriage and chair to rotate a small amount in a downhill direction adjacent to the lower end of the rail, thus avoiding a clash between the chair and the staircase.

Claims (9)

1. A unitary stairlift rail for fitment alongside a first edge of a staircase having an upper end and a lower end, wherein a line extending between said upper end and said lower end defines a slope of the staircase, the unitary stairlift rail comprising:

an upper section to be aligned substantially parallel to the slope;

a lower section extending from the upper section but angled downwardly with respect to the upper section and terminating at the lower end; and

a junction between the upper section and the lower section, the unitary stairlift rail, when viewed from above in plan view, includes a bend defining an angle in a range of 5° to 20° between the upper section and the lower section.

2. The unitary stairlift rail according to claim 1 , wherein the bend comprises at least part of the junction and is configured to also rotate the alignment of the unitary stairlift rail in a vertical plane.

3. The unitary stairlift rail according to claim 2 , wherein the junction includes a second bend to further rotate the alignment of the unitary stairlift rail in the vertical plane.

4. The unitary stairlift rail according to claim 3 , wherein the bend and the second bend are separated by a straight section of the unitary stairlift rail, and the straight section is angled downwardly with respect to the upper section.

5. The unitary stairlift rail according to claim 1 , wherein the lower section is aligned substantially vertically.

6. A stairlift installation including the unitary stairlift rail according to claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2019
From: WOODHAMS, MAX DANIEL
To: STANNAH STAIRLIFTS LIMITED
Reel/Frame 048455/0544 →
Priority Claims (1)
GB 1607136.7 · Apr 25, 2016 · national
Continuity (1)
Related Publication 20190112157A1 · Apr 18, 2019
Cited By (1)
US 12,673,848