Dismountable wheel-chair
OwnerPer G. Bergmaninventor
Life of this patent
Estimating the term…
Abstract
A dismountable wheel-chair including a base structure with connected wheels, seat with related back rest, and arm rests, the base structure being joined with one or a number of said parts of the wheel-chair by means of dismountable self-locking wedge joints having a vertical wedge axis. The wheel-chair can in a minimum of time be dismounted and stowed away on transfer to another means of transport, and requires thereby a minimum of space. The seat and the wheels can be exchanged to suit existing requirements. The wedge joints for a wheel can be arranged with downwardly extending wedges having attachment holes at different levels for axles of wheels with different diameters.
Claims18
A dismountable wheel-chair comprising a base structure, rotatably mounted drive wheels and caster wheels, and a seat member with a back rest, means for detachably connecting said drive wheels, caster wheels and seat member to said base member, and means for detachably connecting said arm rests to said seat member, said means for detachably connecting said drive wheels, seat member and arm rests comprising separate self-locking wedge joints having substantially vertical wedge axes.
Dependencies are inferred from the claim text.