Drive assistance device for a hand-driven wheel chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Mar 11, 1999
filing date -
Mar 21, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drive assistance device for a hand-driven wheel chair has two running wheels, said running wheels being adapted to be detachably mounted to a wheel chair frame and being provided with hand rims for applying manual force. Each of said running wheels comprises a drive unit having an electric motor, a power supply and an electronic control unit associated thereto. Said complete drive unit including said electric motor, said power supply and said electronic control unit associated thereto is located in the region of the wheel hub. Preferably, said drive unit including said electric motor, said power supply and said electronic control unit associated thereto is adapted to rotate together with said running wheel.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully