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US4487368A
Expired / Lapsed
US
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Vane-driven wobbling sprinkler device
Assignee: Individual
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Filing: 1982-10-29
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Granted: 1984-12-11
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Expires: 2002-10-29
Abstract
Abstract Lawn sprinkler incorporating a novel water distributing head having a "wobbling" motion. The base of the head is mounted loosely between shoulders near the end of a tubular water-supplying support arm. A water jet emerging from a nozzle at the end of the arm strikes internal vanes at the discharge end of the distributor head to cause the wobbling action. The support arm is journaled within a vertical bearing, and the action of the water jet causes the arm to be driven slowly through a circular path.
Inventors
- 👤 Jack F. Clearman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:36
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0444; B05B3/008; B05B3/0429; B05B3/06; B05B3/066
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
131 words
A sprinkling device for supplying water to lawns, vegetation, and the like, said device comprising an elongate wobbling water distributor head having an open discharge end axially spaced from and structurally joined to a closed base end, said discharge end comprising at least a sector of an annulus provided with a plurality of radially inwardly extending vanes on its inner peripheral surface, said vanes aligned at a slight angle to the logitudinal axis of said head and terminating substantially short of the center of said annulus, said base end having a hole extending generally axially therethrough said device including a support arm having a tubular neck portion with spaced shoulders, said base end being loosely mounted on said neck between said shoulders so as to have limited radial and axial movement.
Claim 2
Dependent Claim
131 words
A sprinkling device for supplying water to lawns, vegetation, and the like, said device comprising an elongate wobbling water distributor head having an open discharge end axially spaced from and structurally joined to a closed base end, said discharge end comprising at least a sector of an annulus provided with a plurality of radially inwardly extending vanes on its inner peripheral surface, said vanes aligned at a slight angle to the logitudinal axis of said head and terminating substantially short of the center of said annulus, said base end having a hole extending generally axially therethrough said device including a support arm having a tubular neck portion with spaced shoulders, said base end being loosely mounted on said neck between said shoulders so as to have limited radial and axial movement.
Claim 3
Dependent Claim
13 words
The device of claim 1 wherein the discharge end includes a complete annulus.
Claim 4
Dependent Claim
22 words
The device of claim 2 wherein the vanes are present around only a portion of the inner peripheral surface of the annulus.
Claim 5
Dependent Claim
19 words
The device of claim 2 wherein the vanes are present around the entire inner peripheral surface of the annulus.
Claim 6
Dependent Claim
19 words
The device of claim 3 wherein a solid generally tubular wall connects the discharge end to the base end.
Claim 7
Dependent Claim
39 words
The device of claim 5 wherein the axially inward ends of the vanes are tapered, thereby permitting more efficient passage of a jet of water directed toward them from a location adjacent the base end of the distributor head.
Claim 8
Dependent Claim
23 words
The device of claim 6 wherein the vanes are aligned at an angle of about 15° to the axis of the distributor head.
Claim 9
Dependent Claim
122 words
The device of claim 1, wherein said support arm has a proximal portion and a distal portion, said neck being located at said distal portion, said support arm being adapted for connection to a vertical water source, said distal portion extending upwardly at an acute angle to the horizontal, the distal end of said distal portion being restricted in cross-section to provide a nozzle, the discharge end of the distributor head extending beyond said nozzle, whereby when a jet of water emerges from said nozzle, it strikes the vanes and imparts a wobbling motion to the distributor head, thereby distributing water throughout a sectorial area extending from adjacent said distributor head to the maximum distance reached by an unimpeded jet of water.
Claim 10
Dependent Claim
94 words
The device of claim 8 wherein the distal portion of the support arm is integral with a vertically extending tubular means journaled within a surrounding bearing that is adapted for connection to a water source, whereby, when water from said source is supplied to the distal portion of the support arm, a jet of water emerges from the nozzle, the impact of the jet on the vanes of the distributor head causing said support arm to move gradually through a horizontal arcuate path, thereby distributing water throughout the area swept by the distributor head.
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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) | 1987-12-11 | 1988-06-11 | 1988-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-11 | 1992-06-11 | 1992-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-11 | 1996-06-11 | 1996-12-11 | $7700.00 | Window Closed / Lapsed |