US Patent: 2,756,080 - Rotary Seal and Clutch Assembly


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US Patent: 2,756,080

Rotary Seal and Clutch Assembly

Patentees:

Raymond H. Andresen (exact or similar names) - Chicago, Cook County, IL

Hilmar A. Andresen (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:

277/374, 277/397, 403/350

Tool Categories:

industrial machines : industrial machine mechanisms : shaft seals

industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms : friction clutches

Assignees:

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

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jul. 31, 1953
Granted:	Jul. 24, 1956

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:

For use in a shaft seal structure, a unitary cartridge drive seal unit comprising an annular ring including rigid end seal faces, a resilient drive ring confined in said annular ring between said end faces projecting radially inwardly therefrom into a shaft receiving and frictional engaging position and shaft clutch means in said annular ring between its end faces including wedging rollers movable upon rotation of the shaft into wedged driving positions in said annular ring, said rollers being elliptical in shape and being carried on a split resilient ring movable with the rollers when they are moved into wedging positions.