Fast-action harrow-disc coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 2, 2014
Issued Date -
N/A
app pub date -
Feb 5, 2010
filing date -
Feb 16, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fast-action harrow-disc coupling for fixing a harrow disc (1) to the corresponding hub (2), which is characterized in that it consists of a planet wheel (4) fixed to the corresponding hub (2), the planet wheel (4) being provided on its front face and centrally with a frustoconical projection (5) having a polygonal base, with a section of a threaded shank (6) protruding centrally from the frustoconical projection (5); it being envisaged that the corresponding disc (1) is provided with a central hole (7) for positioning the polygonal base of the frustoconical projection (5), the disc (1) being fixed by means of the thread of a nut (12) onto the section of the shank (6) corresponding to the frustoconical projection (5), with the arrangement, in between, of a plate (9) having a cavity (10) with a central hole (11) for positioning the frustoconical projection (5) and allowing passing out of threaded shank (6), respectively.
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