Pipe joints or couplings – Essential catch – Coil spring
Patent
1987-06-19
1989-02-21
Reese, Randolph A.
Pipe joints or couplings
Essential catch
Coil spring
285305, 285321, 267167, 403326, F16F 112
Patent
active
048059439
ABSTRACT:
The rotary/reciprocating seal apparatus includes a resilient ring member with a circumferential groove therein having a surface of revolution disposed at an angle with the axis of the ring member. The resilient ring member includes an axial opening thereinside for accepting and enabling the shaft to be rotated and/or reciprocated therein. The cylindrical housing is provided which includes an axial opening thereinside to accommodate the ring member and includes a groove on an inside surface of the cylindrical housing with a second surface of revolution disposed at an angle with an axis of the cylindrical housing. Spring means are provided in both the ring member and the cylindrical housing grooves for forcing the first and second surfaces of revolution away from one another in order to cause axial loading between the ring member and the cylindrical housing. Biasing means are provided and disposed in the ring member for urging portions of the ring member against the shaft and the cylindrical housing inside surface, respectively, in order to create a seal therebetween.
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patent: 4655462 (1987-04-01), Balsells
Balsells Joan C.
Balsells Peter J.
Hackler Walter A.
Knight Anthony
Reese Randolph A.
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