US Patent: 2,981,558 - All Metal Shaft Seal


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US Patent: 2,981,558

All Metal Shaft Seal

Patentee:

Hans Jensen (exact or similar names) - Wheeling, Cook & Lake Counties, IL

USPTO Classifications:

277/390

Tool Categories:

industrial machines : industrial machine mechanisms : shaft seals

Assignees:

Gits Bros. Mfg. Co. - Chicago, Cook County, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 25, 1958
Granted:	Apr. 25, 1961

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.

Description:

Claim:

A secondary seal for use in a shaft seal having a support member and a relatively axially movable mem-her with a sealing face for engagement with a sealing face on a shaft, the secondary seal comprising a continuous annular ferrule of thin resilient metal having an annular planar portion for positioning transverse to the axis of a shaft element ands having a resilient generally cylindrical portion projecting axially from one edge of said planar portion, a support, member, means for rigidly securing said planar portion to said support member, and a relatively axially movable outer member having an inner cylindrical surface in close sliding engagement with the outer surface of said cylindrical portion of the ferrule and supported radially thereby and said ferrule and said movable outer member maintained in firm sealing engagement by the inherent resilience of said ferrule.