A rotary sprinkler including a body member (A) having a water inlet nozzle (4) with a top end and a bottom end, a pressurized water connector (8) communicating with the bottom end of the water inlet nozzle, a ring (14) attached in spaced-apart relationship from the top end of the nozzle, and a rotor
A rotary sprinkler including a body member (A) having a water inlet nozzle (4) with a top end and a bottom end, a pressurized water connector (8) communicating with the bottom end of the water inlet nozzle, a ring (14) attached in spaced-apart relationship from the top end of the nozzle, and a rotor member (B) having at one end an opening (30) for receiving water from the inlet nozzle and directing it to a water distributing groove, and at its opposite end, an axle (36). The rotary sprinkler also includes a rotor axle seat member (c) engageable and disengageable with the rotor's axle and with the ring facilitating, upon disengagement of the seat member from the ring, axial retrieval of the rotor member through the ring.
대표청구항▼
1. A rotary sprinkler, comprising: a body member including a water inlet nozzle having a top end and a bottom end, a pressurized water connector communicating with the bottom end of said water inlet nozzle, and a ring attached to the body member in spaced-apart relationship from the top end of the n
1. A rotary sprinkler, comprising: a body member including a water inlet nozzle having a top end and a bottom end, a pressurized water connector communicating with the bottom end of said water inlet nozzle, and a ring attached to the body member in spaced-apart relationship from the top end of the nozzle, the body member further comprising a cup having a bottom end fluidly coupled to the water inlet nozzle, and being open at its top end but otherwise being substantially closed and housing said rotor member in non-operative states of the sprinkler,a rotor member having at a first end an opening configured for receiving water from said inlet nozzle and for directing it to a water distributing groove, and said rotor member having an axle at a second end opposite the first end and protruding through an annular cover that is integral with the rotor member and is supported at the second end thereof so as to cover the top end of the cup in non-operative states of the sprinkler with the rotor member housed inside the cup and thereby prevent entry of insects or other matter that might otherwise tend to clog the nozzle, anda rotor axle seat member engageable and disengageable with the axle of said rotor member and with said ring, said ring being of larger diameter than the rotor member so as to allow axial removal of the rotor member through the ring upon disengagement of said rotor axle seat member from the ring. 2. The sprinkler as claimed in claim 1, wherein said rotor member has an integral cover interposed between the groove and said axle. 3. The sprinkler as claimed in claim 2, wherein said body member further comprises a cup, open at its top end and housing said rotor member in non-operative states of the sprinkler. 4. The sprinkler as claimed in claim 3, wherein said cover is disc-shaped having a diameter sized to rest on the top of said cup. 5. The sprinkler as claimed in claim 4, wherein said ring has an inner and an outer diameter, said inner diameter being substantially equal to, or slightly larger than, the diameter of said cover. 6. The sprinkler as claimed in claim 3, wherein each of said ring and said cup have an inner and an outer diameter, the inner diameter of said cup being slightly smaller than the inner diameter of said ring. 7. The sprinkler as claimed in claim 3, wherein said ring is attached to the cup by two diametrically-disposed arms. 8. The sprinkler as claimed in claim 7, wherein said ring has a top surface and each of the arms has a projection forming a recess with the top surface of said ring. 9. The sprinkler as claimed in claim 8, wherein said rotor axle seat member has an annular flange having two diametrically opposed arcuate sections and two diametrically opposed straight sections. 10. The sprinkler as claimed in claim 9, wherein a distance between the two straight sections substantially equals a distance between said projections. 11. The sprinkler as claimed in claim 9, wherein on at least one of said oppositely disposed arcuate sections, there is a stop projection restricting rotation of said rotor axle seat member. 12. The sprinkler as claimed in claim 11, wherein in respect of each of said stop projections, there is formed on the respective arcuate section a detent spaced-apart from said stop projection. 13. A rotary sprinkler, comprising: a body member including a cup open at its top and housing a rotor member, said cup including a water inlet nozzle having a top end and a bottom end, the bottom end projecting into said cup and the body member further including a pressurized water connector communicating with the bottom end of said water inlet nozzle, and a ring attached to said body member in spaced-apart relationship from the top end of said nozzle, the cup having a bottom end fluidly coupled to the water inlet nozzle, and being open at its top end but otherwise being substantially closed and housing said rotor member in non-operative states of the sprinkler,said rotor member having at a first end an opening configured for receiving water from said water inlet nozzle and for directing it to a water-distributing groove and said rotor member having an axle at a second end opposite the first end and protruding through an annular cover that is integral with the rotor member and is supported at the second end thereof so as to cover the to end of the cu in non-operative states of the sprinkler with the rotor member housed inside the cup and thereby prevent entry of insects or other matter that might otherwise tend to clog the nozzle, anda rotor axle seat member engageable and disengageable with the axle of said rotor member;said ring being of larger diameter than the rotor member so as to allow axial removal of the rotor member through the ring. 14. A rotary sprinkler as claimed in claim 13, wherein said cup has a cavity defining an opening and said ring delimiting an opening, and wherein the opening of the ring is no smaller than the opening of the cup, allowing a single shaft to axially penetrate through the ring and fill the cavity of the cup and opening of the ring. 15. A rotary sprinkler, comprising: a body member including:a water inlet nozzle having a top end and a bottom end, a cup having a bottom end fluidly coupled to the water inlet nozzle, and being open at its top end but otherwise being substantially closed and housing a rotor member in non-operative states of the sprinkler,a pressurized water connector communicating with the bottom end of said water inlet nozzle, anda ring attached to the cup by two diametrically-disposed arms in spaced-apart relationship from the top end of the nozzle, said ring having a top surface and each of the arms having a projection forming a recess with the top surface of said ring;a rotor member having at a first end an opening configured for receiving water from said inlet nozzle and for directing it to a water distributing groove, and said rotor member having an axle at a second end and opposite the first end and protruding through an integral cover that is interposed between the groove and said axle and is supported at the second end thereof so as to cover the top end of the cup in non-operative states of the sprinkler with the rotor member housed inside the cup and thereby prevent entry of insects or other matter that might otherwise tend to clog the nozzle, anda rotor axle seat member engageable and disengageable with the axle of said rotor member and with said ring, said ring being dimensioned for axial retrieval of the rotor member through the ring upon disengagement of said rotor axle seat member from the ring. 16. The sprinkler as claimed in claim 15, wherein said rotor axle seat member has an annular flange having two diametrically opposed arcuate sections and two diametrically opposed straight sections. 17. The sprinkler as claimed in claim 16, wherein a distance between the two straight sections substantially equals a distance between said projections. 18. The sprinkler as claimed in claim 16, wherein on at least one of said oppositely disposed arcuate sections, there is a stop projection restricting rotation of said rotor axle seat member. 19. The sprinkler as claimed in claim 18, wherein in respect of each of said stop projections, there is formed on the respective arcuate section a detent spaced-apart from said stop projection. 20. The sprinkler as claimed in claim 1, wherein the ring and the body member are a unitary structure. 21. The sprinkler as claimed in claim 1, wherein the ring is located above the distributing groove so that water that is redirected by the distributing groove does not reach the ring. 22. The sprinkler as claimed in claim 13, wherein the ring and the body member are a unitary structure. 23. The sprinkler as claimed in claim 13, wherein the ring is located above the distributing groove so that water that is redirected by the distributing groove does not reach the ring.
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이 특허에 인용된 특허 (11)
Vikre Merle A. (32 Windward Way ; Gulf Harbors New Port Richey FL 33552), Irrigation system and constant volume sprinkler head therefor.
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