Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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US Patent 4537519 - Shaft locking device for bearing assemblies
US Patent Issued on August 27, 1985
Estimated Patent Expiration Date:
September 14, 2004Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
September 14, 2004Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA shaft locking device for bearing assemblies wherein inner ring finger extensions of the bearing assembly include recessed grooved areas therein at a position remote from the extremities, the grooves being of sufficient breadth and depth to convert shearing stress along such area to bending stress to increase locking tightness and improve radial and thrust accommodation capacity. | InventorsApplicationNo. 06/650452 filed on 09/14/1984US Classes:384/478, Centrifugal loading or slinging; fluid seal384/513, Specified bearing race structure384/537Assembling meansField of Search384/513, Specified bearing race structure384/537, Assembling means384/585, Race fastening means384/495, Self-aligning384/540, Threaded sleeve384/478Centrifugal loading or slinging; fluid sealExaminersPrimary: Footland, Lenard A.Attorney, Agent or FirmUS Patent ReferencesRe17838, Re26591, 3304140, 3428379International ClassesF16C 23/00 (20060101)F16C 35/063 (20060101) F16C 35/04 (20060101) F16C 23/08 (20060101) |
