US Patent: 2,966,374
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| Packing for Face Type Seals
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Patentee:
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| Hans Jensen (exact or similar names) - Wheeling, Cook & Lake Counties, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 15, 1957 |
| Granted: |
Dec. 27, 1960 |
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Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.
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Description: |
| Claim:
A seal of the axially shiftable relatively rotating face-to-face type comprising a first sealing member having an annular sealing surface, a second sealing member having a enacting annular sealing surface in relatively rotating sealing engagement with the surface of said first member, support means for said second sealing member including a first part having a radially inwardly facing cylindrical surface and a second part telescoped within said first part and having a radially outwardly facing cylindrical surface facing said cylindrical surface of the first part and forming an annular space therebetween, said second sealing member being connected to one of said parts, a spring means in said space with one end bottomed on said second part for acting in opposition to the first part to urge said second sealing member to sealing engagement with said first sealing member, a first annular face on said first part facing said spring, a member on the other end of the spring having an annular second face facing said first face, one of said faces having a smooth planar radial surface, and an annular sealing ring formed of a resilient material located in the space between said faces and confined between said cylindrical surfaces and having an axially facing groove located on the side of the ring facing said radial face with a portion of the ring outside of said groove and a portion of the ring inside said groove riding on said radial surface to slide thereon with expansion and contraction of the sealing ring in a radial direction. |
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