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7600699 |
Sprinkler top with co-molded seal for riser and body
A top for a pop-up type irrigation sprinkler that utilizes a riser that pops up from a stationary sprinkler body in accordance with an embodiment to the present invention includes a cap which is...
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7500620 |
Telescoping pop-up sprinkler
The telescoping pop-up sprinkler includes a telescoping piston assembly that allows the piston assembly of the pop-up to extend upwards at a greater height than the length of the pop-up sprinkler...
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7478526 |
Speed control apparatus for a rotary sprinkler
A turbine for a sprinkler is disclosed for self-governing its rotational velocity. As a rate of fluid through the sprinkler increases, particularly when air is used to flush the sprinkler system, a...
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7434747 |
Internal particulate protective obstruction for sprinklers
A sprinkler that restricts foreign particulate matter from interfering with and/or damaging the operating components of a sprinkler is disclosed. The sprinkler may be a pop-up sprinkler such that...
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7360718 |
Sprinkler housing with side inlet
The invention is directed to a sprinkler body having a side inlet and improved strength and durability. The side inlet is reinforced with additional structure at a cylindrical wall defining the...
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7306170 |
Lawn sprinkler flow control device and tool therefor
A device for restricting water flow through a conduit in a landscape sprinkler system, wherein the conduit comprises a hollow pipe having an interior wall, the device comprising a generally rigid...
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7293721 |
Check valve assembly for sprinkler head
A check valve assembly has a coupling sleeve with a first end for connection to a pop-up or fixed sprinkler head and a second end for connection to a water supply, the coupling sleeve incorporating...
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7232078 |
Speed limiting for rotary driven sprinkler
A speed limiting mechanisms for turbine-driven fluid distribution apparatus usable with compressible fluid such as compressed air and incompressible fluid such as water. Dynamic viscous damping of...
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7191958 |
Revolving lawn sprinkler
A revolving lawn sprinkler comprises a rotary guide plate by which the water flow is so controlled as to actuate a lobed wheel, which in turn actuates a rotary disk via a transmission mechanism. A...
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7097116 |
Underground sprinkler with pop-up head
An underground sprinkler with a pop-up head and a corresponding underground casing has two differentiated cylindrical parts, closed by a corresponding cover fixed to the pop-up sprinkler head,...
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7040553 |
Rotor type sprinkler with reversing mechanism including sliding clutch and driven bevel gears
A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a central bevel pinion gear through a gear train reduction. Upper and lower bevel...
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6997393 |
Pop-up irrigation sprinklers
The pop-up irrigation sprinkler includes a pressure reducing valve, a spring-biased, pop-up riser, and a valve seal of unitary construction adjacent to the lower end of the riser having a valve...
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6971588 |
Pop-up cleaning head for swimming pool and method
A cleaning head for installation in a swimming pool floor fitting ( 9 ) includes a pop-up cylinder ( 5 ) having a plurality of first camming elements ( 44 ) disposed on its outer wall, a...
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6929194 |
Turbine speed control for rotary irrigation sprinklers
In a turbine driven rotary irrigation sprinkler having a fixed stator with means for bypassing a portion of the water entering the sprinkler around the turbine so as to be able to adjust and...
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6905078 |
Headlamp washer system
A spraying device comprising a housing 12 containing a top and bottom portion defining a chamber therein for fluid ingress and egress into the bottom portion wherein the housing includes an outer...
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6899285 |
Partially rotating above surface nozzle
A protruding nozzle assembly, mounted in a side wall of a swimming pool in communication with a source of water, will eject through a nozzle of a nozzle housing a stream of water at a predetermined...
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6854664 |
Self-camming snap ring for pop-up sprinkler with top serviceable diaphragm valve module
A diaphragm valve module is mounted in the lower end of the outer housing of a pop-up rotor type sprinkler for controlling the flow of water through an inlet in response to actuation of a valve...
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6848124 |
Cam operated pop-up swimming pool cleaning nozzle
A recessed incrementally rotating nozzle assembly is located in a wall or bottom surface of a swimming pool in fluid communication through a conduit with a source of water under pressure from a...
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6840460 |
Rotor type sprinkler with insertable drive subassembly including horizontal turbine and reversing mechanism
A sprinkler includes an outer housing having a lower end connectable to a source of pressurized water and a riser that is vertically reciprocable within the outer housing between extended and...
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6817543 |
Toggle over-center mechanism for shifting the reversing mechanism of an oscillating rotor type sprinkler
A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a bevel pinion gear reversing mechanism through a gear train reduction. One end of...
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6808127 |
Sprinkler head assembly for underground sprinkler system
A pop-up sprinkler assembly includes a housing cover which is readily, vertically adjustable relative to a main housing within which extends a sprinkler head unit arranged in an adapter sleeve that...
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6802458 |
Sprinkler with nozzle gate valve
A nozzle gate valve is provided in an irrigation sprinkler for quick and easy shut-off of water flow to a sprinkler spray nozzle. The gate valve is mounted within a sprinkler spray head at an...
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6799732 |
Water sprinkler head with integral off-on water flow control valve and adaptive fittings therefor
A sprinkler head assembly comprised of a base located at the upper end of a riser tube and which base carries an insert with an opening allowing for distribution of water. In accordance with the...
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6732946 |
Apparatus and method for locating and repairing a damaged lawn sprinkler head
A lawn irrigation sprinkler head that internally incorporates an alert and retrieval device which indicates the position of the head if damaged, and facilitates in-situ repair of the damaged head....
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6732950 |
Gear drive sprinkler
An improved gear drive sprinkler has a pop-up spray head adapted for adjustable part-circle or full circle operation to deliver irrigation water over a selected terrain area. The sprinkler includes...
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6705548 |
Nozzle for spraying a surface and method of spraying
A nozzle for spraying surfaces is equipped with a piston rod centrally arranged in a feeding duct. The piston rod has an impact plate which is held by a spring in a position aligned with the...
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6629648 |
Height adjustable riser for a sprinkler
An adjustable riser for adjusting the elevational position of an irrigation sprinkler with respect to the surrounding ground level and/or with respect to the height of surrounding vegetation to be...
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6530531 |
Riser tube with slotted ratchet gear for pop-up irrigation sprinklers
A pop-up sprinkler of the type that includes a riser that moves upwardly out of a sprinkler housing when water pressure is applied and that allows manual adjustment of the angular orientation of...
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6502764 |
Pop-up sprinkler with internal debris cup
A pop-up sprinkler is provided with an internally mounted and upwardly open debris cup for capturing debris such as dirt and pebbles falling into the sprinkler, to prevent such debris from...
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6494386 |
Sprinkler head housing
A sprinkler head housing encloses, supports, and provides access to a sprinkler head in order to allow maintenance and access to the sprinkler head. The sprinkler head housing includes a top and a...
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6488218 |
Sprinkler head conversion for pop-up assembly
A pop-up sprinkler assembly includes a cylindrical housing having a cap on an upper end thereof, the cap having an opening, a lower end of the cylindrical housing having an internal thread for...
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6478237 |
Enclosed pop-up sprinklers with shielded impact arms
A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed...
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6457656 |
Pop-up sprinkler with inwardly deflectable velocity control disc
A pop-up sprinkler includes an outer housing having an inlet passage and an inlet for connection to a source of pressurized fluid. A riser is mounted in the housing for moving from a normally...
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6439476 |
Underground sprinkler head cover assembly
Novel devices and methods for covering underground sprinkler heads installed on golf courses and other sports fields are described. The invention, in certain aspects, comprises the use of mats for...
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6438766 |
Swimming pool bottom flushing device
A swimming pool bottom flushing device comprising a tubular supporting arrangement attached to a pipe arranged at the bottom of a swimming pool, and a water ejector nozzle axially fitted into said...
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6367097 |
Swimming pool bottom flushing device
A swimming pool bottom flushing device comprising a tubular arrangement attached to the pipe arranged at the swimming pool bottom, and a water ejector nozzle axially fitted into said supporting...
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6299075 |
Self closing flush plug for pop-up sprinkler
A flush plug is provided for temporarily sealing an outlet at an upper end of an irrigation sprinkler riser extensible from an outer housing. A cap is configured to substantially cover the outlet...
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6209801 |
Closed-case impact sprinklers with fitted fluid seal assemblies
A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed...
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6193168 |
Sprinkler device
A kit for fitting to a sprinkler head that includes a fixed distance spacer. The spacer is designed to fit into the top of the head of an underground water sprinkler system. The second end of the...
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6186413 |
Debris tolerant inlet control valve for an irrigation sprinkler
An improved inlet control valve is provided for controlling water inflow to an irrigation sprinkler, wherein the inlet control valve exhibits improved tolerance to passage of small grit and debris....
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6155493 |
Closed-case impact sprinklers
A closed-case impact sprinkler unit having an outer case and an internally positioned riser sleeve that is upwardly extendable into a pop-up position. The riser sleeve may be formed with an...
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6138924 |
Pop-up rotor type sprinkler with subterranean outer case and protective cover plate
A sprinkler unit of the type that includes an impact drive sprinkler vertically reciprocable inside a subterranean can or case is modified to incorporate a modern pop-up rotor-type sprinkler. The...
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6082632 |
Co-molded split containment ring for riser retraction spring of a pop-up sprinkler
A pop-up sprinkler includes an outer cylindrical fixed housing for subsurface mounting and a riser reciprocally mounted in a central bore of the housing. Pressurized water causes the riser to...
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6042021 |
Arc adjustment tool locking mechanism for pop-up rotary sprinkler
A pop-up rotary sprinkler with adjustable arc limits has an arc adjustment tool engaging member slideably mouted in a guide sleeve in the head of the sprinkler that has a progressively narrowing...
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6000632 |
Pop-up sprinkler head with maintenance features
A pop-up sprinkler head is provided with a mechanism that shuts off the water when the nozzle portion of the riser is removed for maintenance. A stopper element reciprocally mounted in the riser...
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5992760 |
Impact sprinkler unit
A sprinkler device for distributing water comprising a body, a nozzle, a nozzle housing rotatably and slidably mounted in the body, a fluid flow interrupter for intermittently redirecting the...
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5988523 |
Pop-up sprinkler unit with split containment ring
A pop-up sprinkler unit includes an outer cylindrical fixed housing for subsurface mounting, with a riser reciprocally mounted in a central bore of the housing for extending up through a portion of...
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5984202 |
Hybrid low flow and spray irrigation apparatus and method
An apparatus providing low volume irrigation from a previously installed sprinkler irrigation system including one or more sprinkler heads connected to a water supply conduit. The apparatus...
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5975430 |
Sprinkler device
A sprinkler device has a helical track and a tracking element coupled between a reciprocating piston and a rotating head or nozzle to convert the reciprocal linear motion of the piston to rotation...
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5967416 |
Water activated pop-up sprinkler
A new water activated pop-up sprinkler for allowing for low volume irrigation of lawns and gardens. The inventive device includes a cylindrical housing having an open upper end, a closed lower end,...
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