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A wheelchair includes a frame having first and second longitudinal sides connected by a bridge and a seat module carried by the frame. A first power drive assembly is disposed on the frame first longitudinal side. The first power drive assembly includes a first swing arm pivotally secured to the fra

A wheelchair includes a frame having first and second longitudinal sides connected by a bridge and a seat module carried by the frame. A first power drive assembly is disposed on the frame first longitudinal side. The first power drive assembly includes a first swing arm pivotally secured to the frame, a first motor mounted to the first swing arm and a first wheel operably connected to the first motor. A second power drive assembly is disposed on the frame second longitudinal side. The second power drive assembly includes a second swing arm pivotally secured to the frame, a second motor mounted to the second swing arm and a second wheel operably connected to the second motor. A first resiliently biased anti-tip assembly is secured to both the frame first longitudinal side and the first motor. A second resiliently biased anti-tip assembly is secured to both the frame second longitudinal side and the second motor. A power supply is mounted on the frame for powering the first and second motors.

대표청구항 ▼

A powered wheelchair comprising: a frame having first and second longitudinal sides connected by a bridge; a seat module carried by said frame; a first power drive assembly disposed on said frame first longitudinal side, said first power drive assembly comprising: a first swing arm pivotally secured

A powered wheelchair comprising: a frame having first and second longitudinal sides connected by a bridge; a seat module carried by said frame; a first power drive assembly disposed on said frame first longitudinal side, said first power drive assembly comprising: a first swing arm pivotally secured to said frame, a first motor mounted to said first swing arm, and a first wheel operably connected to said first motor, a second power drive assembly disposed on said frame second longitudinal side, said second power drive assembly comprising: a second swing arm pivotally secured to said frame, a second motor mounted to said second swing arm, and a second wheel operably connected to said second motor; a first anti tip assembly comprising a first section pivotally secured to said first swing arm and a second section secured, via one of at least two spaced apertures, to said first power drive assembly; a second anti tip assembly comprising a first section pivotally secured to said second swing arm and a second section secured, via one of at least two spaced apertures, to said second power drive assembly; and, a power supply mounted on said frame for powering said first and second motors.