Cross member construction for use at the foot of ladders
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 21, 1992
Grant Date -
N/A
app pub date -
Sep 26, 1990
filing date -
Sep 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cross member construction for use at the foot of ladders having a cross bar fastened to the sidepieces of the ladder and extending laterally outwardly from both side edges thereof. In order to be able to safely set up the ladder on a ground surface having a great disparity in levelness, a support element is fastened to at least one end area of the cross bar to extend the effective length of the cross bar, which support element has an elevationally adjustable support arm thereon.
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