...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7581598 | Blade motion reduction An articulated loader has an articulated chassis and corresponding A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there is a front or first A-frame and a rear or second A-frame. Th... | 09/01/2009 |
| 7419011 | Electro-mechanical power angle snow plow The present invention provides a small electrical motor, coupled to the snow plow of a UTV or ATV via a mechanism which allows the plow blade to move in response to unexpected spikes in load. In one embodiment, a braking system is used to absorb the load force. In a... | 09/02/2008 |
| 7174968 | Hydraulic excavator The present invention provides a hydraulic excavator provided with a dozer device comprising an arm having a rear end connected to a fulcrum portion provided on a lower frame of a lower traveling body, a dozer blade provided at an extreme end of the arm, and a dozer... | 02/13/2007 |
| 7058495 | Work implement control system and method A system and method for controlling a work implement of a work machine are provided. A preset position for the work implement is established. An implement positioning system is enabled. An indication of a change in a travel direction of the work machine is received.... | 06/06/2006 |
| 7013983 | Blade mounting structure of bulldozer A blade mounting structure of a bulldozer capable of increasing visibility of a blade is provided. For this purpose, in the blade mounting structure in which a left and a right portions of a blade (1) and a vehicle main body are connected with a set of left a... | 03/21/2006 |
| 6907941 | Sliding quick attach system A sliding quick attach system for allowing sliding movement of the implement while providing quick attachment and release of the implement. The sliding quick attach system includes a support frame, a first brace and a second brace extending upwardly from the support... | 06/21/2005 |
| 6105682 | Apparatus for controlling an earthworking implement having four degrees of freedom An apparatus for controlling an earthworking implement. The earthworking implement is movably attached to a track-type tractor having a main frame and a track roller frame. The track roller frame is located on a left and a right side of the main frame. Th... | 08/22/2000 |
| 5974702 | Snow plow mounting assembly The present invention relates to an assembly for mounting a plow, such as a snow plow, to a vehicle. The assembly has a linear support member extending from and attached to the front of the vehicle. The linear support member is pivotable with respect to t... | 11/02/1999 |
| 5603172 | Selectively reversible resilient plow blade and kit A plow blade comprising a forward facing longitudinally curved major portion and a minor blade resiliently and pivotally mounted on the major portion and being disposed between the major portion and the surface to which the plow is applied. Also included ... | 02/18/1997 |
| 5277258 | Single lever bulldozer blade control apparatus A single lever blade control apparatus for bulldozers that is capable of operating in three mutually perpendicular planes to activate three independent hydraulic valves controlling a bulldozer blade: up/down, tilt and angle. Movement of the bulldozer blad... | 01/11/1994 |
| 4999022 | Bucket-blade attachment for tractors An earthmoving attachment to be mounted on the front end of a tractor. The attachment includes a frame secured to the tractor, arms pivoted to the frame and extending forwardly and mounting a combination bucket and blade. Hydraulic cylinders individually ... | 03/12/1991 |
| 4962598 | Apparatus for mounting implements on vehicles A lightweight snow plow apparatus for attachment to the front of a vehicle comprises an aluminum moldboard swivelly mounted in an easily removable manner on the ends of tubular telescopic side beams of an aluminum H-frame, the other ends of the side beams... | 10/16/1990 |
| 4680880 | Snow plow for small vehicles A snow plow, designed to fit on small vehicles, is disclosed. The plow has a single point connection to the vehicle. A novel yoke mounting scheme is also disclosed, which enables the blade to be angled. The plow is operated by a pneumatic means, controlle... | 07/21/1987 |
| 4306625 | Blade and frame assembly for power machines An improved blade and frame assembly have a pair of laterally rotating arms disposed between a blade and a U-shaped frame rotatably connected to a power machine. The blade and frame are activated for vertical movement. Also included is a power source pivo... | 12/22/1981 |
| 4248311 | Side shift blade arrangement A mechanism is disclosed for automatically laterally shifting a dozer blade to the exposed side of the tractor as the blade is angled to thereby keep the blade in front of the tractor and permit the use of a blade which is shorter than conventional anglin... | 02/03/1981 |