A drain assembly including a drain pipe with a threaded portion and a nut is provided. The drain pipe includes a first end, an elbow portion, and a second end. The first end includes an annular flange and the threaded portion. To interconnect the drain assembly to a bathtub, the second end of the dr
A drain assembly including a drain pipe with a threaded portion and a nut is provided. The drain pipe includes a first end, an elbow portion, and a second end. The first end includes an annular flange and the threaded portion. To interconnect the drain assembly to a bathtub, the second end of the drain pipe is inserted through a drain port of the tub until the annular flange abuts a bottom wall of the tub. The nut is then threaded onto the threaded portion of the drain pipe to secure the drain pipe to the bathtub. The second end of the drain pipe is then interconnected to drain plumbing.
대표청구항▼
1. A drain assembly adapted for interconnection to a tub having a drain port formed in a bottom wall, the drain port having a diameter, the drain assembly comprising: a drain pipe including a first portion, a second portion, and an elbow portion positioned between, and integrally connecting, said fi
1. A drain assembly adapted for interconnection to a tub having a drain port formed in a bottom wall, the drain port having a diameter, the drain assembly comprising: a drain pipe including a first portion, a second portion, and an elbow portion positioned between, and integrally connecting, said first portion and said second portion, said first portion including an annular flange and a threaded portion positioned between said annular flange and said elbow portion, wherein said threaded portion, said elbow portion, and said second portion have a diameter that is less than the diameter of the drain port, and wherein said annular flange has a maximum diameter that is larger than the diameter of the drain port; anda nut configured to threadably engage said threaded portion of said drain pipe to secure said drain pipe to the bottom wall of the tub. 2. The drain assembly of claim 1, further comprising at least one sealing element positioned between the annular flange and the nut. 3. The drain assembly of claim 1, wherein said first portion further comprises a lip associated with the inner surface and adjacent to an upper surface of said annular flange. 4. The drain assembly of claim 3, further comprising a membrane interconnected to said lip. 5. The drain assembly of claim 3, further comprising a means for accommodating a drain stopper associated with an inner surface of said first portion. 6. The drain assembly of claim 1, wherein said threaded portion is comprised of a series of blunted threads. 7. The drain assembly of claim 1, wherein said nut has an upper surface and a lower surface, said surfaces having a frusto-conical shape. 8. The drain assembly of claim 7, further comprising a seal that is adapted to contact said upper surface and the bottom surface of the bathtub. 9. The drain assembly of claim 8, wherein said seal includes a bulge on least an upper surface and a lower surface thereof. 10. The drain assembly of claim 1, further comprising crossbars integrally formed within the first portion of said drain pipe. 11. The drain assembly of claim 1, further comprising a membrane interconnected directly to the annular flange. 12. A drain elbow adapted for interconnection to a tub having a drain port formed in a bottom wall, the drain port having a diameter, the drain elbow comprising: a first portion including an annular flange and an externally threaded portion, said annular flange having a maximum diameter that is larger than the diameter of the drain port;a second portion; andan elbow portion positioned between, and integrally connecting, said first portion and said second portion, wherein said externally threaded portion is positioned between said annular flange and said elbow portion, and wherein said externally threaded portion, said elbow portion, and said second portion have a maximum diameter that is less than the diameter of the drain port. 13. The drain elbow of claim 12, wherein said first portion further comprises a lip formed in an upper surface of said annular flange adjacent to an opening of said drain elbow, wherein said lip is configured to receive at least one of a membrane and a strainer body cover. 14. The drain elbow of claim 12, further comprising a crossbar interconnected to an interior surface of said drain elbow. 15. The drain elbow of claim 14, wherein said crossbar is integrally formed in said interior surface of said drain elbow. 16. The drain elbow of claim 14, wherein said crossbar is threadably secured to said interior surface of said drain elbow. 17. The drain elbow of claim 14, wherein said crossbar is interference fit within said interior surface of said drain elbow. 18. The drain elbow of claim 14, wherein said crossbar includes a hub having a threaded aperture configured to receive a threaded post of a drain closure. 19. The drain elbow of claim 12, wherein an interior surface of said first portion includes a concave portion configured to receive a drain closure.
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이 특허에 인용된 특허 (91)
Osborne Lee R. (Rte. 2 ; Box 60-H Cedar Bluff VA 24609), Abrasion resistant ceramic elbow.
Taylor ; Jr. William R. (217 Via Dijon Newport Beach CA 92663) Taylor Robert L. (5251 Monroe St. #7 Stanton CA 90680) Taylor Richard H. (12672 Barrett La. Santa Ana CA 92705), Drain plug.
Holt Peter K. (9682 129th Street Surrey ; British Columbia CAX V3T 3G4) Olorenshaw George M. (11810 Stephens Street Maple Ridge ; British Columbia CAX V2X 6S3), Overflow level controller for a bathtub.
Budzinski Walter J. (Sterling Heights MI) Kuttruff Manfred K. (Sterling Heights MI) Stanish Leo S. (Grosse Pointe Woods MI) Turner Larry G. (Clarkston MI), Tube coupler.
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