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Six-year-old Robert W. Patch granted a patent for a "toy truck".
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| Number | Title | Issue Date |
| 7226259 | Locking fastener assembly A locking fastener assembly comprising a nut and a washer. The nut and washer each have opposed load bearing surfaces which include a series of annularly extending, slightly inclined faces forming shallow undulations around each surface. The load bearing surface on ... | 06/05/2007 |
| 7000995 | High-integrity interlocking nut and washer system An interlocking nut and washer system exhibits a very high degree of inherent mechanical stability. The preferred embodiment includes an inner washer, an adjustment nut, an intermediate washer, and an outer nut completing an interlock assembly. Although the inner wa... | 02/21/2006 |
| 6976816 | Combination lock washer and spindle bearing assembly The present invention relates to a connection between a spindle and a bearing assembly to retain the bearing assembly on the spindle. A combination lock washer and spindle bearing assembly is provided to include a spindle, thrust washer, lock washer and nut in which... | 12/20/2005 |
| 6953182 | Retainer lock nut for fluid pressure control device A control valve includes a valve body defining a top opening. A bonnet is provided for closing off the top opening of the valve body. A stem housed in the bonnet and the valve housing slidably moves a valve plug in the valve housing to open and close the valve. A pa... | 10/11/2005 |
| 6048151 | Threaded fastener A compressibly resilient strip is retainably disposed in an axial slot in a threaded shank which is advanced through a bore in a plurality of workpieces. A rigid retainer member is inserted into the slot to urge the resilient strip against the bore to inc... | 04/11/2000 |
| 5772373 | Nut and locking device A spindle nut and a locking device are disclosed for securing the nut on a spindle in a non-rotative position relative to the spindle. The assembly comprises the spindle nut, an antirotation spring and a spring backup plate mounted on the spindle. The ant... | 06/30/1998 |
| 5618143 | Spindle nut and locking device A spindle nut and a locking device for securing the nut in a rotative position on a spindle. An anti-rotation spring and a back up plate are mounted on the spindle in a non-rotative manner with the back up plate in abutment with the bearings that rotative... | 04/08/1997 |
| 4648768 | Locknut assembly for high-speed rotary components A lock assembly for securing nuts to rotatably driven shafts in which a generally U-shaped locking spring is mounted with one leg thereof disposed along an opening in the rotatably drive shaft or a component keyed to the shaft and the other leg thereof di... | 03/10/1987 |
| 4418935 | Pin lock for adjustable link of a three-point hitch A pin lock for a turnbuckle of an ajdustable link on a three-point hitch. The pin locks the threads of the turnbuckle and is retained in the locking position by a retainer ring.... | 12/06/1983 |
| 3942570 | Mechanism for securing a nut against loosening There are disclosed nut locking assemblies comprising a washer adapted to slide over a spindle and be keyed to it, and a lock-ring to the rear of the washer and secured to the washer against relative rotation. The nut abuts the washer. The lock-ring is sl... | 03/09/1976 |
