Load cell and roll-over alarming device for a crane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 2, 2003
Grant Date -
Feb 21, 2002
app pub date -
Jul 26, 2001
filing date -
Jul 27, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To detect a low load of an outrigger with high accuracy and improve alarming accuracy of a roll-over alarming device, the roll-over alarming device for a crane includes a load cell 1 having a coil spring 5 provided with a strain gauge 4, and an upper load cell case 6 and a lower load cell case 7 which support the coil spring 5 from its top and bottom to transfer a load of an outrigger to the coil spring 5, supports 8, 9 for supporting a load when the load having more than a predetermined value acts to restrain yielding of the coil spring 5 being provided between the upper load cell case 6 and the lower load cell case 7, and an alarming section which issues a roll-over alarm on the basis of a load detecting value of the outrigger from the load cell 1.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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