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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 140/92.6 - Simultaneous interlacing of plural helices


Subclass of Class 140 - Wireworking
Definition: Apparatus characterized by two or more helix projecting
No. of patents: 2
Last issue date: 01/14/1997


NumberTitleIssue Date
5592978System for controlling a chain link fence weaving machine
An improved system for operating a chain link fence weaving machine. The system includes an electronic motor coupled to a main spindle shaft of the weaving machine. A trough is disposed adjacent to a weaving blade attached to the main spindle and coupled ...
01/14/1997
4572249Apparatus for the manufacture of wire net fabric
A fabric manufacturing device having a drive to rotate a coiling mandrel (the so-called weaving blade), which, in order to avoid the difficulties of positioning the mandrel by means of motor, transmission, coupling and brake and in order to improve the pr...
02/25/1986
 
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