IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0738723
(2003-12-17)
|
발명자
/ 주소 |
- Richey,Paul
- Patel,Hiralal V.
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출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
1 |
초록
▼
An externally threaded male hydraulic coupling member adapted for threaded and sealed attachment to a port body with a female port. The male coupling member having a tubular member with a threaded end, a bore extending through the member, a first cylindrical peripheral undercut portion longitudinall
An externally threaded male hydraulic coupling member adapted for threaded and sealed attachment to a port body with a female port. The male coupling member having a tubular member with a threaded end, a bore extending through the member, a first cylindrical peripheral undercut portion longitudinally adjacent the threaded end, a series of intermediate external threads, and a second cylindrical undercut portion. The coupling member having a seal member and an annular ring member located in peripheral sealing contact with the first undercut portion. Wherein upon attachment, the seal member is encapsulated by the annular ring, the female port and the first undercut portion forming an annular chamber having a longitudinal extent greater than the seal member thickness. The coupling member also having a lock nut threadedly attached to the intermediate threads with a longitudinal end located between the annular ring and the intermediate threads. The lock nut having a longitudinal extent greater than the axial length of the intermediate threads and the second undercut portion.
대표청구항
▼
What is claimed is: 1. A male hydraulic coupling member comprised of: a tubular member with at least two ends including a first end, an externally threaded second end angled relative to said first end, a bore extending from said first end to said second end, a first cylindrical peripheral undercut
What is claimed is: 1. A male hydraulic coupling member comprised of: a tubular member with at least two ends including a first end, an externally threaded second end angled relative to said first end, a bore extending from said first end to said second end, a first cylindrical peripheral undercut portion longitudinally adjacent said threaded second end with a substantially uniform diameter slightly less than the minor diameter of said second end threads, an intermediate external threaded portion longitudinally adjacent said first undercut portion having a first longitudinal end and a second longitudinal end, said first longitudinal end of said intermediate external threaded portion being located immediately adjacent said first cylindrical peripheral undercut portion, a second cylindrical undercut portion of a substantially uniform diameter longitudinally extending from said second longitudinal end of said intermediate external threaded portion second longitudinal end to a shoulder portion; a seal member positioned within and in peripheral sealing contact with said first undercut portion; an annular ring member, positioned in close internal contact around said first undercut portion, located between said seal member and said intermediate external threaded portion first longitudinal end; and a lock nut, located on the side of the annular ring remote from said seal member, having a first longitudinal end and a second longitudinal end, an inner diameter of said lock nut being in threaded engagement with said intermediate external threaded portion, said lock nut first longitudinal end at a location immediately adjacent said inner diameter of said lock nut, regardless of the axial position of said lock nut relative to said intermediate external portion, always being located between said annular ring member and said intermediate external threaded portion first longitudinal end. 2. The coupling member of claim 1 wherein the longitudinal extent of said lock nut along said inner diameter is at least equal to the combined total axial length of said second cylindrical undercut portion and said intermediate threaded portion. 3. The coupling member of claim 1 wherein said coupling member is reusable. 4. The coupling member of claim 1 wherein said first end is externally threaded. 5. An externally threaded male hydraulic coupling member adapted for threaded and sealed attachment to a port body with a female port, said female port having an inwardly tapered orifice blended into an internally threaded bore portion, said male hydraulic coupling member being comprised of: a tubular member with at least two ends, including a first end, an externally threaded second end adapted for engagement with said port body internally threaded bore portion, said male coupling member having a longitudinal axis angled relative to said first end, a bore extending through said tubular member from said first end to said second end, a first cylindrical peripheral undercut portion longitudinally adjacent said externally threaded second end with a uniform diameter slightly less than the minor diameter of said second end threads, a series of intermediate external threads longitudinally adjacent said first undercut portion having a first longitudinal end and a second longitudinal end, a second cylindrical undercut portion of a uniform diameter longitudinally extending from said intermediate external threads second longitudinal end to a shoulder portion; a seal member located within and in peripheral sealing contact with said first undercut portion; an annular ring member positioned in close peripheral internal contact with said first undercut portion, located between said seal member and said intermediate external threads first end, wherein upon attachment of said male coupling member to said female port an annular chamber is formed in which said seal member is encapsulated by said annular ring, said tapered orifice and said first cylindrical peripheral undercut portion; and a lock nut, located on the side of the annular ring remote from said seal member, having a first longitudinal end and a second longitudinal end, an inner diameter of said lock nut being threadedly attached to said intermediate external threads, said lock nut second longitudinal end, when in a fully retracted position relative to said intermediate external threads, is in abutting contact with said shoulder portion and said lock nut first longitudinal end, at a location adjacent said inner diameter of said lock nut, extends axially beyond said series of intermediate external threads, and is adapted to engage said annular ring. 6. The male hydraulic coupling member as in claim 5 wherein, upon sealing attachment of said male coupling member to said female port of said port body, said lock nut second longitudinal end is spaced from said shoulder portion and said lock nut first longitudinal end is in abutting contact with said annular ring. 7. The male hydraulic coupling member as in claim 5 wherein said lock nut is moveable between a first fully retracted position in which said second longitudinal end is in abutting contact with said shoulder portion and a second fully installed position wherein said first longitudinal end abuts said annular ring member. 8. The male hydraulic coupling member as in claim 7 wherein said lock nut first longitudinal end is located between said intermediate external threads and said annular ring member in both said first and said second positions. 9. The male hydraulic coupling member as in claim 7 wherein said lock nut covers said series of intermediate external threads in both said first and said second positions. 10. The male hydraulic coupling member as in claim 5 wherein the longitudinal extent of said lock nut is at least equal to the combined total axial length of said second cylindrical undercut portion and said intermediate threads. 11. The male hydraulic coupling member as in claim 5 wherein said lock nut first longitudinal end, regardless of the longitudinal position of said lock nut, relative to said intermediate threads, always being located between said annular ring member and said intermediate threads. 12. The male hydraulic coupling member as in claim 5 wherein the longitudinal extent of said annular chamber is greater than the thickness of said seal member. 13. The male hydraulic coupling member as in claim 5 wherein said first end is externally threaded. 14. A male hydraulic coupling member comprised of: a tubular member with at least two ends, wherein one of said at least two ends is provided with external threads and is angled relative to the other of said at least two ends, a bore extending from said one end to said other end, a first cylindrical peripheral undercut portion having one end longitudinally adjacent said threads and having a substantially uniform diameter slightly less than the minor diameter of said external threads, an intermediate externally threaded portion, longitudinally adjacent another end of said first undercut portion, having a first longitudinal end and a second longitudinal end, said first longitudinal end of said intermediate external threaded portion being located immediately adjacent said first cylindrical peripheral undercut portion, a second cylindrical undercut portion of a substantially uniform diameter longitudinally extending from said second longitudinal end of said intermediate external threaded portion second longitudinal end to a shoulder portion; a seal member positioned within and in peripheral sealing contact with said first undercut portion; an annular ring member, in close inner peripheral surface contact with said first undercut portion, located between said seal member and said intermediate external threaded portion first longitudinal end; and a lock nut, located on the side of the annular ring member remote from said seal member, having a first longitudinal end and a second longitudinal end, threadedly engaged with said intermediate external threaded portion, said lock nut first longitudinal end adapted to engage said annular ring and, regardless of the axial position of said lock nut relative to said intermediate external threaded portion, always being located between said annular ring and said intermediate external threaded portion first longitudinal end. 15. The coupling member of claim 14 wherein all of said ends are provided with external threads.
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