Patent US3645567A successfully refreshed from Google Patents.
US3645567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push together tube connector
Assignee: Eaton Aeroquip LLC
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Filing: 1970-02-24
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Granted: 1972-02-29
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Expires: 1990-02-24
Abstract
Abstract A connector for coupling tube ends by pushing the ends into the connector. The assembly comprises a housing having two separable sections, an inner body insert within the housing into which the tube ends are pushed, from opposite sides, annular seals retained by the inner body insert and engaging the tube ends, and at least one outer body insert confining its adjacent seal and held in place by the housing. Partial separation of the housing sections will permit pressurized fluid in the connection to force the outer body insert away from the inner body insert, freeing the adjacent seal and permitting slow leakage. This will prevent a sudden spurt of fluid such as Freon from causing injury to the operator. Reconnection is obtained by reuniting the housing sections.
Inventors
- 👤 Joseph F Reinker Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:05
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/091; F16L19/00; F16L19/06; F16L19/075; F16L19/08; Y; Y10; Y10S; Y10S285/00; Y10S285/924
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
225 words
In a push together tube connector, a housing having manually separable sections, and holding means to hold said sections together an inner body insert enclosed by said housing, clearance apertures in said housing sections and bores in said insert for receiving tube ends from opposite directions, gripping members within said housing engageable between the inserted tubes and said housing to prevent withdrawal of said gripping members and said tubes, a recess at each end of said insert, seals in said recesses engageable with the outer tube surfaces, and at least one outer body insert within said housing adjacent one of said ends thereof and slidable axially on said inner body insert, said outer body insert being held against said inner body insert by said housing and having a radially inwardly extending face engageable with the seal in the recess of said one of said ends of said inner body insert, the outer body insert being movable between a normal position confining its adjacent seal so that the latter may perform its sealing function, and a retracted position in which said seal is unconfined for sealing purposes so as to permit leakage of fluid to the atmosphere, said outer body insert being movable from its normal to its retracted position in response to pressure exerted on said seal when said housing sections are manually partially separated.
Claim 2
Dependent Claim
225 words
In a push together tube connector, a housing having manually separable sections, and holding means to hold said sections together an inner body insert enclosed by said housing, clearance apertures in said housing sections and bores in said insert for receiving tube ends from opposite directions, gripping members within said housing engageable between the inserted tubes and said housing to prevent withdrawal of said gripping members and said tubes, a recess at each end of said insert, seals in said recesses engageable with the outer tube surfaces, and at least one outer body insert within said housing adjacent one of said ends thereof and slidable axially on said inner body insert, said outer body insert being held against said inner body insert by said housing and having a radially inwardly extending face engageable with the seal in the recess of said one of said ends of said inner body insert, the outer body insert being movable between a normal position confining its adjacent seal so that the latter may perform its sealing function, and a retracted position in which said seal is unconfined for sealing purposes so as to permit leakage of fluid to the atmosphere, said outer body insert being movable from its normal to its retracted position in response to pressure exerted on said seal when said housing sections are manually partially separated.
Claim 3
Dependent Claim
34 words
The combination according to claim 1, said holding means on said housing sections having interengaging threads formed thereon, parts of said sections having tool engageable surfaces whereby they may be unscrewed from each other.
Claim 4
Dependent Claim
22 words
The combination according to claim 1, said gripping members comprising washers of frustoconical shape and having inwardly extending fingers engaging said tube.
Claim 5
Dependent Claim
34 words
The combination according to claim 3, said holding means on said housing sections comprising interengaging threads formed thereon inwardly extending flanges at the ends of said members retaining said housing sections having said washers.
Claim 6
Dependent Claim
45 words
The combination according to claim 1, further provided with a second outer body insert mounted for axial movement at the other end of said inner body insert and movable between normal and retracted positions in the same manner as said first mentioned outer body insert.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |