Patent US2224481A successfully refreshed from Google Patents.
US3662776A
Expired / Lapsed
US
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Self-propelled sprinkler system
Assignee: Individual
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Filing: 1970-02-17
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Granted: 1972-05-16
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Expires: 1990-02-17
Abstract
Abstract A self-propelled sprinkler system including an elongated conduit supported, by an upright support frame, in a substantially horizontal position above the ground. A self-contained drive unit is pivotally connected to a lower portion of the support frame for swinging about an upright axis relative to the frame. The drive unit includes a motor, a ground-engaging wheel disposed with its central axis substantially horizontal, and reduction gears drivingly connecting the motor to the wheel. The drive unit can be swung relative to the support frame to position the wheel''s axis substantially parallel to the conduit, or at a substantial angle relative thereto, and it may be locked in either position. A disengagable coupling interconnects the wheel and the gears. With the coupling disengaged the wheel rotates freely accommodating towing of the system.
Inventors
- 👤 Raymond W Bryant
- 👤 Clifford V Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:24
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/09; A01G25/092
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
161 words
In a self-propelled sprinkler system including an elongated conduit and an upright frame supporting the conduit in a substantially horizontal position above the ground, a self-contained drive unit comprising a housing, a motor on said housing, a ground-engaging wheel rotatably mounted on the housing, and means enclosed in said housing operatively connecting said motor and wheel, whereby actuation of the motor rotates the wheel, mounting means spaced laterally of said wheel pivotally mounting said housing on said frame adjacent a lower portion of said frame with the central axis of the wheel substantially hoRizontal, said mounting means providing an upright axis spaced laterally of said wheel about which the drive unit may be swung between a position in which the axis of the wheel extends substantially parallel to the conduit and another position in which the axis of the wheel extends at a substantial angle relative to the conduit, and means for locking said drive unit in one of said positions.
Claim 2
Dependent Claim
161 words
In a self-propelled sprinkler system including an elongated conduit and an upright frame supporting the conduit in a substantially horizontal position above the ground, a self-contained drive unit comprising a housing, a motor on said housing, a ground-engaging wheel rotatably mounted on the housing, and means enclosed in said housing operatively connecting said motor and wheel, whereby actuation of the motor rotates the wheel, mounting means spaced laterally of said wheel pivotally mounting said housing on said frame adjacent a lower portion of said frame with the central axis of the wheel substantially hoRizontal, said mounting means providing an upright axis spaced laterally of said wheel about which the drive unit may be swung between a position in which the axis of the wheel extends substantially parallel to the conduit and another position in which the axis of the wheel extends at a substantial angle relative to the conduit, and means for locking said drive unit in one of said positions.
Claim 3
Dependent Claim
21 words
The sprinkler system of claim 1, wherein said means operatively interconnecting said motor and wheel comprises a speed reduction gear assembly.
Claim 4
Dependent Claim
28 words
The sprinkler system of claim 1, wherein said means operatively interconnecting said motor and wheel comprises a disengagable coupling accommodating selective disconnecting of said wheel from said motor.
Claim 5
Dependent Claim
89 words
The sprinkler system of claim 1, wherein said means operatively interconnecting the wheel and motor includes a speed reduction gear assembly drivingly connected to the motor, a rotatable axle driven by said gear assembly on which axle the wheel is rotatably mounted, with the axis of the wheel coinciding with the axis of the axle, and a disengagable coupling having one adjusted position in which it operatively connects the wheel to the axle and another adjusted position in which the wheel is permitted to rotate freely about the axle.
Claim 6
Dependent Claim
24 words
The sprinkler system of claim 1, wherein said mounting means and locking means are disconnectable accommodating removal of the drive unit from the frame.
Claim 7
Dependent Claim
25 words
The sprinkler system of claim 1, wherein said mounting means comprises a pin connection between said housing and said frame spaced laterally of said wheel.
References Cited (Backward Citations)
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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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |