Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7559569 | Trailer for towing after a towing vehicle, a system comprising a trailer and a towing vehicle, and a method of steering a trailer around a turning point The invention relates to trailer (1) for towing after a towing after a towing vehicle, said trailer (1) comprising a frame (3) configured for carrying a load and having a front end with a coupling (5) configured for connecting the trailer... | 07/14/2009 |
| 7318698 | Lift/transporter for small vehicle A tow lift apparatus for a towing vehicle includes a pair of vertically aligned and horizontally and fore-to aft oriented receiver hitches fixedly secured to the rear of the towing vehicle; a lift releasably connected to the receiver hitches, the lift connected to a... | 01/15/2008 |
| 7100489 | System and method for hitch with backup anti-jack knife and anti-dive For use in landmine clearing, a hitch system providing backup with anti-jack knife and anti-dive, the system includes a hitch assembly and a roller assembly. The hitch assembly has a hinge axis housing containing a hinge shaft and a connector shaft housing containin... | 09/05/2006 |
| 7011328 | Transversely extending pivotal hitch mechanism Apparatus and method for applying temporary raised pavement markers (TRPM) to roadway surfaces comprises a conveyor upon a wheeled vehicle wherein an upstream end portion of the conveyor is able to extend, for example, over the rear bed portion of a roadwork vehicle... | 03/14/2006 |
| 6485046 | Anti-sway trailer hitch A trailer hitch assembly for connecting a towing vehicle to a towed trailer having symmetrical anti-sway features. The assembly includes a hitch ball rigidly affixed to a hitch beam extending transversely from the rear of the towing vehicle. A pair of spr... | 11/26/2002 |
| 6290248 | Universal dolly attachment device An improved trailer dolly having a fifth wheel and also carrying a ball-type trailer hitch to give the driver the option of towing either type of trailer and having steering means built into the dolly to provide sure and positive steering and control of t... | 09/18/2001 |
| 5364117 | Method and apparatus for connecting a tow vehicle to a trailer having a front axle assembly which pivots about a verticle axis A method of connecting a tow vehicle to a trailer having a front axle assembly which pivots about a vertical axis. The method includes the following steps which will be hereinafter described. Firstly, position a drawbar assembly between the tow vehicle an... | 11/15/1994 |
| 4949987 | Asymmetrical four-bar trailer hitch A tow vehicle (3) and trailer vehicle (5) are connected by a four-bar hitch which has one arm (1) aligned longitudinally with the central longitudinal axes (12,13) of the vehicles, and a steering arm (6) which is laterally spaced from the main arm. Pivots... | 08/21/1990 |
| 4802545 | Steering control system for articulated vehicle A steering system for an articulated vehicle has pivotal wheel steering such as front axle wagon-wheel steering, a hydraulic actuator for pivoting the axle with respect to the vehicle, and a pair of hydraulic actuators for causing articulation of the vehi... | 02/07/1989 |
| 4771851 | Steering control system for articulated vehicle The present invention is a steering system for an articulated vehicle which has at least one axle mounted for wagon-wheel steering with respect to the vehicle, a hydraulic actuator for pivoting the axle with respect to the vehicle and a pair of hydraulic ... | 09/20/1988 |
| 4598926 | Asymmetrical four-bar link trailer hitch A four-bar link trailer hitch comprising main and steering members, spaced apart and pivotally connected at their rearward ends to the trailer, and pivotally connected at their forward ends to the rearward end of a truck or the like. The main arm lies sub... | 07/08/1986 |
