US3797755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprinkler nozzle
Assignee: Koyo Fastener Co Ltd
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Filing: 1972-11-21
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Granted: 1974-03-19
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Expires: 1992-11-21
Abstract
Abstract The present invention relates to an improved sprinkler nozzle for a simple sprinkling device for the purpose of irrigation of vegetables, flowers, trees growing in a green house.
Inventors
- 👤 S Saisho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:02
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; A; A01; A01G; A01G25/00; A01G25/02; A01G25/023; B05B15/00; B05B15/60; B05B15/65; B05B15/658
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
163 words
A sprinkler nozzle comprising a rivet and a pin for insertion thereinto; said rivet having a cylindrical trunk, a tip end and a head end, a blind hole extending therein from the head end thereof and a plurality of grooves in said trunk from the tip end thereof to a position beyond the bottom of said blind hole to provide passageways to said blind hole and to define securing means for fixing said rivet through an aperture in a water pipe; said pin having a head and a shank, said shank diameter being of a size to be receivable in said blind hole, said shank having a length greater than the depth of said blind hole whereby to insure expansion of said securing means when said pin is inserted into said rivet, said head being of relatively large diameter as compared with said shank and having a continuous curved outer face between the top of said head and the surface of said shank.
Claim 2
Dependent Claim
163 words
A sprinkler nozzle comprising a rivet and a pin for insertion thereinto; said rivet having a cylindrical trunk, a tip end and a head end, a blind hole extending therein from the head end thereof and a plurality of grooves in said trunk from the tip end thereof to a position beyond the bottom of said blind hole to provide passageways to said blind hole and to define securing means for fixing said rivet through an aperture in a water pipe; said pin having a head and a shank, said shank diameter being of a size to be receivable in said blind hole, said shank having a length greater than the depth of said blind hole whereby to insure expansion of said securing means when said pin is inserted into said rivet, said head being of relatively large diameter as compared with said shank and having a continuous curved outer face between the top of said head and the surface of said shank.
Claim 3
Dependent Claim
27 words
A sprinkler nozzle according to the claim 1, wherein said pin has at least two straight or curved U-shaped grooves extending axially on the outer periphery thereof.
Claim 4
Dependent Claim
27 words
A sprinkler nozzle according to the claim 1, wherein said pin has at least two straight of curved projecting ribs extending axially on the outer periphery thereof.
Claim 5
Dependent Claim
31 words
A sprinkler nozzle according to the claim 1, wherein said rivet has at least two straight or curved U-shaped grooves extending axially on the inner wall of said blind hole thereof.
Claim 6
Dependent Claim
34 words
A sprinkler nozzle according to the claim 1, including a rivet having 2 or more of straight and curved projected lines or parts extending axially on the inner surface of said blind hole therein.
Claim 7
Dependent Claim
157 words
A sprinkler nozzle comprising a rivet and a pin for insertion thereinto; said rivet having a head end, a tip end and a cylindrical trunk, a blind hole extending therein from the head end thereof and a plurality of grooves in said trunk from the tip end thereof to a position beyond the bottom of said blind hole whereby to define securing means for fixing said rivet through an aperture in a water pipe; said pin having a shank, said shank diameter being of a size to be receivable in said blind hole, said shank having a length greater than the depth of said blind hole whereby to insure expansion of said securing means when said pin is inserted into said rivet; and said rivet further including a head of relatively large diameter as compared with said trunk and having a continuous curved outer face between the top of said head and the surface of said shank.
Claim 8
Dependent Claim
157 words
A sprinkler nozzle comprising a rivet and a pin for insertion thereinto; said rivet having a head end, a tip end and a cylindrical trunk, a blind hole extending therein from the head end thereof and a plurality of grooves in said trunk from the tip end thereof to a position beyond the bottom of said blind hole whereby to define securing means for fixing said rivet through an aperture in a water pipe; said pin having a shank, said shank diameter being of a size to be receivable in said blind hole, said shank having a length greater than the depth of said blind hole whereby to insure expansion of said securing means when said pin is inserted into said rivet; and said rivet further including a head of relatively large diameter as compared with said trunk and having a continuous curved outer face between the top of said head and the surface of said shank.
Claim 9
Dependent Claim
27 words
A sprinkler nozzle according to the claim 6, wherein said rivet has at least two straight or curved U-shaped grooves extending axially on the outer periphery thereof.
Claim 10
Dependent Claim
30 words
A sprinkler nozzle according to the claim 6, wherein said rivet has at least two straight or curved projecting ribs extending axially on the outer periphery of the trunk thereof.
Claim 11
Dependent Claim
27 words
A sprinkler nozzle according to the claim 1 wherein said pin is provided at the tip end thereof with shoulder means for engagement with said securing means.
Claim 12
Dependent Claim
27 words
A sprinkler nozzle according to the claim 6 wherein said pin is provided at the tip end thereof with shoulder means for engagement with said securing means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |