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...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

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Class 460/98 - Rotary cleaner


Subclass of Class 460 - Crop threshing or separating
Definition: Subject matter usually consisting of a hollow rotating screen
No. of applications: 2
Last issue date: 09/25/2008


Application No.Application TitleIssue Date
20080234017System and method for automatically deslugging an agricultural combine
A deslugging method and system for an agricultural combine, providing several semi- and fully automated operating modes or routines for removing or dislodging a slug of crop and/or other material from the threshing system and/or a feeder of the combine for conveying cro...
09/25/2008
20080194305Bearing assembly and cleaning system in combine harvesters
An improved bearing assembly for mounting a drive shaft and bearings, having an upper impeller drive shaft for the tailings conveyor of a combine harvester occupy the same space as the cleaning system rail and seal of a chaffer sieve, is disclosed. The assembly has a fl...
08/14/2008
 
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