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Samuel K. Wellman received US Patent No. 2,519,865 on August 22, 1950, filed July 23, 1945.
The patent's description opens (from the scanned text):
This invention relates to brakes, clutches and other frictional devices, including bearings, in which more or less slippage occurs between mutually engaging structures in the normal operation of the devices. y In the operation of brakes and clutches the heat generated by relative slippage of the mutually engaging frictional surfaces causes high temperatures which may have very injurious effects upon the friction elements and the parts carrying the said elements.
- Author
- Samuel K. Wellman
- Published by
- US Patent Office
- Series
- US Patent No. 2,519,865
- Date
- August 22, 1950
- Library no.
- ACL Doc 22487 · asbestosclaims.law/library/22487
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 12 pages · 1.3 MB
Where it was listed
- Asbestos, November 1950, in its patents department (the year's issues)
Cite this document
Samuel K. Wellman. “Frictional apparatus (US Patent 2,519,865, 1950).” August 22, 1950. US Patent No. 2,519,865. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22487. https://asbestosclaims.law/library/22487.
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