IT1234598B - Device to differentiate right and left speed of an irrigation jet - Google Patents
Device to differentiate right and left speed of an irrigation jetInfo
- Publication number
- IT1234598B IT1234598B IT8846815A IT4681588A IT1234598B IT 1234598 B IT1234598 B IT 1234598B IT 8846815 A IT8846815 A IT 8846815A IT 4681588 A IT4681588 A IT 4681588A IT 1234598 B IT1234598 B IT 1234598B
- Authority
- IT
- Italy
- Prior art keywords
- springs
- jib
- rotation
- motion
- tarred
- Prior art date
Links
- 230000002262 irrigation Effects 0.000 title 1
- 238000003973 irrigation Methods 0.000 title 1
- 230000010355 oscillation Effects 0.000 abstract 1
Landscapes
- Harvester Elements (AREA)
- Nozzles (AREA)
Abstract
The present invention concerns an elastic device controlling the rotation speed of the oscillating jib of an irrigator, in which elastic reaction of right rotation is different from that of left rotation, each reaction being caused by a specific spring, said springs being tarred singularly. Both springs are contained inside the central hollow hub of said oscillating jib. Both springs are tarred differently in order to obtain a different oscillation frequency of said jib during the return motion of the rotation of the jet, said motion being faster than working motion.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8846815A IT1234598B (en) | 1988-02-19 | 1988-02-19 | Device to differentiate right and left speed of an irrigation jet |
GR880100636A GR1000819B (en) | 1988-02-19 | 1988-09-23 | Device for altering at one s will the right hand and left hand rotation speeds of an irrigation jet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8846815A IT1234598B (en) | 1988-02-19 | 1988-02-19 | Device to differentiate right and left speed of an irrigation jet |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8846815A0 IT8846815A0 (en) | 1988-02-19 |
IT1234598B true IT1234598B (en) | 1992-05-25 |
Family
ID=11259093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8846815A IT1234598B (en) | 1988-02-19 | 1988-02-19 | Device to differentiate right and left speed of an irrigation jet |
Country Status (2)
Country | Link |
---|---|
GR (1) | GR1000819B (en) |
IT (1) | IT1234598B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4181259A (en) * | 1977-01-17 | 1980-01-01 | Ridgway H Curtis | Rotary sprinkler impact arm spring adjustment |
GB2138704B (en) * | 1983-05-02 | 1986-07-09 | Rain Bird Sprinkler Mfg | Impact drive sprinkler |
-
1988
- 1988-02-19 IT IT8846815A patent/IT1234598B/en active
- 1988-09-23 GR GR880100636A patent/GR1000819B/en unknown
Also Published As
Publication number | Publication date |
---|---|
IT8846815A0 (en) | 1988-02-19 |
GR1000819B (en) | 1993-01-25 |
GR880100636A (en) | 1989-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970128 |