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 |
| 7013986 | Impact tool An impact tool enables a front cover part to be easily attached to and detached from a housing body, with a device having a simplified structure. The front cover part has an annular fastening portion clamped to the outer peripheral surface of a front edge portion of... | 03/21/2006 |
| 6848749 | Device for the removal of the surface layer of a wall or ceiling It is suggested to machine contaminated surfaces, in particular radioactively contaminated concrete surfaces and masonry with pneumatically actuated striking tools. It has been shown that this is an extremely low-dust machining method with which the essentially the ... | 02/01/2005 |
| 6295708 | Tip cleaning system for welding nozzle An apparatus and a method are described for dislodging and removing welding slag from the tip of an electric arc welder, particularly a robotically controlled welder. When a torch finishes its welding cycle, it is moved to a designated cleaning point wher... | 10/02/2001 |
| 5251367 | Pneumatically driven descaling tools A pneumatically driven impact type set of tools including a plurality of interchangeable components having, in addition to a manually gripped housing, a common pneumatically driven reciprocating piston actuator assembly, an interchangeable set of tool hea... | 10/12/1993 |
| 5184382 | Pneumatically driven descaling tool A pneumatically driven impact type of descaler tool includes a manually gripped housing having a rear portion of generally circular cross-section which includes therein a pneumatically driven reciprocating piston assembly which acts as a hammer and a righ... | 02/09/1993 |
| 5007268 | Method and device for edge-finishing An edge-finishing device comprises a drive unit (L), a holder (M) and a notched tip (N). The tip combines a number of geometric features known as land radius (Y), flank faces (K), flank radii (I) and root radius (J). Typical useage of the device requires ... | 04/16/1991 |
| 4457361 | Connection element for the transfer of knock- or impact-energy upon heating or cooling surfaces to be cleaned and located in a pressure vessel A method and apparatus including a connection element for transfer of knock- or impact-beating energy from a mechanically, hydraulically or pneumatically driven knock- or impact-beating device upon heating or cooling surfaces to be cleaned intermittently.... | 07/03/1984 |
