Delivery cart
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 21, 2001
Issued Date -
N/A
app pub date -
Jan 12, 2000
filing date -
Jun 6, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A delivery cart including a chassis, one or two castors pivotable about a vertical axis and two support wheels for supporting the chassis on a ground, a substantially vertically extending displacement stirrup attached to the chassis, a gearless, load-actuated reversible electric motor, formed integrally with the respective wheels, and a control system for controlling power supply to the electric motors and including sensors for sensing a displacement force or a steering force applied to the cart, and a free-programmable control unit for controlling power supply to the electric motors, in accordance with the one of a displacement force and a steering force.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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