Stairlifts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 8, 2007
app pub date -
Jul 27, 2004
filing date -
Jul 28, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention enhances the safety of a stairlift by providing a proximity sensor (40, 42) to detect the proximity of users and other objects to a stairlift carriage (20) and to render remote call controls (22, 24) inoperative. A chair occupancy sensor may also be provided to prevent inadvertent operation of the main user control (38) when a user is mounting, or dismounting from, the stairlift.
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