Coupling Device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 1, 2008
app pub date -
Sep 30, 2005
filing date -
Oct 1, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A coupling device for a fluid pressure system comprises a housing (8) receiving a coupling body (2), and means for retaining the body (2) in the housing (8), the retaining means comprising a grab ring (36, 60, 61) having radially inner teeth (43) for engagement with the body (2) and radially outer teeth (44) for engagement with the housing (8), the grab ring (36, 60, 61) being mounted in a groove (39) in the body (2), and the grab ring (36, 60, 61) and the groove (39) being so constructed and arranged that on insertion of the body (2) into the housing (8) the outer teeth (44) are deflected by the housing (8), but on application of a removal force the grab ring (36, 60, 61) pivots in the groove (39), urging the inner teeth (43) into engagement with the body (2) and the outer teeth (44) into engagement with the housing (8).
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NORGREN LIMITED | P O BOX 22 EASTERN AVENUE LICHFIELD STAFFORDSHIRE WS13 6SB |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Aston, Paul Gerald | Staffordshire, GB | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 |
Cited Art Landscape
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Patent Citation Ranking
- 4 Citation Count
- F16L Class
- 3.03 % this patent is cited more than
- 17 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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