Did You Know...
...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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| Number | Title | Issue Date |
| 5153991 | Bearings A method of manufacturing a bearing is described, the method comprising the steps of preparing a flat blank having a steel backing layer and a bearing alloy lining, the blank having an area corresponding to the projected surface area of the bearing, the f... | 10/13/1992 |
| 5153253 | Bearings A bearing material comprising in wt %: 5 to 30 PTFE; 5 to 60 bronze; 1 to 20 graphite; balance PVDF is described together with test results of bearings having a lining of the material.... | 10/06/1992 |
| 5145264 | Bearings Flanged bearing bushes are described, the bearing bushes comprising a journal bearing element and a thrust flange bearing element on at least one end face of the journal bearing element, the at least one end face of said journal having at least two axiall... | 09/08/1992 |
| 5139348 | Bearings Flanged bearing bushes are described, the bush comprising a journal bearing element and a thrust flange bearing element on at least one end of the journal member, the journal bearing member having a reduced diameter portion and a shoulder formed on the ou... | 08/18/1992 |
| 4924523 | Bearings Flanged bearings are described comprising a substantially semi-cylindrical half journal bearing member having at least one thrust flange member, the thrust flange being substantially of a semi-circular annular form having at least three inwardly directed ... | 05/08/1990 |
| 4889435 | Bearings having upper and lower halves of different materials Journal bearings comprising two half bearings are described. Only one half bearing, in the highest loaded position, has an overlay coating. Preferably the non-overlay coated half comprises a silicon containing aluminum alloy which exerts a polishing actio... | 12/26/1989 |
