Patent ID: 9592169
Date: 2017-03-14
CPC Classifications: A61G,B62B

Claim:
1. A wheelchair, comprising: a chassis defining a seat, a backrest, one or more armrests, and an undercarriage; one or more front caster wheels coupled to, and selectively detachable from, the undercarriage; one or more rear wheel assemblies, each rear wheel assembly comprising a rear wheel, an axle, and a mounting post extending distally from the axle at a substantially orthogonal angle relative to the axle; and one or more quick release devices; each mounting post of each rear wheel assembly coupled to the undercarriage by a respective one of the one or more quick release devices such that each the one or more rear wheel assemblies is selectively detachable from the undercarriage; and the one or more quick release devices each comprising a clamp and one or more threaded retention devices to couple a first end of the clamp to the undercarriage and a second end of the clamp to the mounting post; the one or more threaded retention devices comprising at least a first threaded retention device to couple the first end of the clamp to the undercarriage and a second threaded retention device to couple the second end of the clamp to the mounting post.