초록 ▼

A personal mobility vehicle or powered wheelchair comprising a seat operatively mounted to a carriage by a seat positioning assembly including a linear positioning assembly to selectively position the seat longitudinally relative to the carriage to maintain the weight distribution of the personal mo

A personal mobility vehicle or powered wheelchair comprising a seat operatively mounted to a carriage by a seat positioning assembly including a linear positioning assembly to selectively position the seat longitudinally relative to the carriage to maintain the weight distribution of the personal mobility vehicle and occupant between the front and rear of the personal mobility vehicle within a predetermined weight distribution pattern during operation of the personal mobility vehicle to enhance the static and dynamic stability thereof.

대표청구항 ▼

[ What is claimed is:] [1.] A personal mobility vehicle to transport an occupant seated therein from place to place on a supporting surface comprising a seat operatively mounted to a carriage by a seat positioning assembly to selectively position said seat longitudinally relative to said carriage to

[ What is claimed is:] [1.] A personal mobility vehicle to transport an occupant seated therein from place to place on a supporting surface comprising a seat operatively mounted to a carriage by a seat positioning assembly to selectively position said seat longitudinally relative to said carriage to maintain the weight distribution of said personal mobility vehicle and occupant within a predetermined weight distribution pattern during operation of said personal mobility vehicle to enhance the static and dynamic stability thereof, said carriage comprises a carriage frame including a front portion and a rear portion supported on the supporting surface by a front carriage support means and a rear carriage support means coupled to said front and rear portions of said carriage frame respectively, said seat positioning assembly further comprises a pressure sensing means to provide electrical signals proportional to the pressure exerted on said front carriage support means and said rear carriage support means, and a system control means including a controller coupled to said pressure sensing means, said controller including logic to compare the difference between the weight distribution on said front and rear carriage support means with the predetermined weight distribution pattern and to generate a control signal fed to said seat positioning assembly to move said seat relative to said carriage.