Rotary jack assembly for a crane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 24, 1989
Issued Date -
N/A
app pub date -
Jun 29, 1988
filing date -
Oct 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a rotary jack assembly which comprises a rotary frame assembly having first and second frames each having frame receiving members, a plurality of pairs of wheel frames are provided under the first frame receiving members at points above where a circular rail on which the wheel frames ride is placed, the frame assembly is vertically shiftable relative to the wheel frames by means of cylinders. A plurality of crane supporting arms are arranged on the frame assembly and spaced from the cylinders for vertically shifting the frame assembly. Cylinders are connected to the crane supporting arms to slide the crane supporting arms out of the frame assembly for supporting a crane thereon.
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