Telescopic shuttering support
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 29, 1991
Grant Date -
N/A
app pub date -
Mar 22, 1990
filing date -
Mar 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telescopic support 14 of variable length has an outer tube tube 11 and an inner tube 12 which is telescopically displaceable therein. A shallow external thread 16 is provided at one end of the outer tube 11 onto which there is screwed a positioning nut 17 with a lowering sleeve 14 rotatably secured thereto. In the region of the thread 16 there is at least one elongate slot 18 in the outer tube into which a latch bolt 13 engages which is supported axially on the lowering sleeve 15. In accordance with the invention the lowering sleeve 15 can be rotationally locked in both directions in the extended position by a rotary latch 21 which engages in the elongate slot 18.
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