US 12,420,587 B2
Caster adjustment assembly for a wheelchair
Spencer Cookson, West Richland, WA (US)
Assigned to PERMOBIL, INC., Lebanon, TN (US)
Filed by PERMOBIL, INC., Lebanon, TN (US)
Filed on Sep. 29, 2023, as Appl. No. 18/478,502.
Prior Publication US 2025/0108662 A1, Apr. 3, 2025
Int. Cl. B60B 33/04 (2006.01); A61G 5/10 (2006.01); B60B 33/00 (2006.01)
CPC B60B 33/04 (2013.01) [A61G 5/10 (2013.01); B60B 33/0005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A caster wheel adjustment assembly for a wheelchair comprising:
a first mounting member coupled to a frame member of the wheelchair;
a second mounting member coupled to a caster wheel; and
an angle adjustment member defining a first side opposite a second side and a central aperture extending from the first side to the second side, the first side defining a plurality of first projections and an alignment recess, and the second side defining a plurality of second projections and an alignment projection, the plurality of first projections include a different number of projections than the plurality of second projections, the alignment recess being concentric with the central aperture, and the alignment projection being concentric with the central aperture,
wherein the first mounting member defines a plurality of third projections, the first and third projections are configured to interlock in response to the angle adjustment member being selectively fastened to the first mounting member,
wherein the second mounting member defines a plurality of fourth projections, the second and fourth projections are configured to interlock in response to the angle adjustment member being selectively fastened to the second mounting member, and
wherein in response to rotation of the angle adjustment member relative to the first mounting member and/or the second mounting member, the caster wheel is angularly adjusted relative to the frame member.