Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 6604753 | Rear wheel steering process A method and apparatus for long vehicles to make sharp turns on city streets without running up on the curb. The back wheels of the vehicle are steered with the aid of a guide control wheel so that when the semi or truck is making a sharp turn, the rear w... | 08/12/2003 |
| 5476276 | Compound steering mechanism with alternate chassis mounts A compound steering mechanism for use on a compact tractor is disclosed wherein the chassis is provided with alternate mounts for the selective connection of the inboard tie rod ends at transversely spaced apart locations. The inboard ends of the tie rods... | 12/19/1995 |
| 5443013 | Self steering recreational apparatus for trough-shaped railways A recreational apparatus has, on a trough-shaped runway, a car which is driven by an electric motor and which is supplied with electric power by way of a trolley from a contact wire. The front axle of the car is designed so as to be self-steering so that ... | 08/22/1995 |
| 5360223 | Capped wheel spindle assembly A wheel spindle assembly for a steerable vehicle chassis includes a vertically extending sleeve mounted at the end of a chassis rail of the vehicle for receiving a cylindrical wheel spindle for journaled rotation therein. A cup-shaped cap with downturned ... | 11/01/1994 |
| 5308095 | Steering axle for vehicles An axle is disclosed which comprises a beam designed for conventional installation on the load-bearing structure of a vehicle, and has, journalled on its opposite ends, road wheel hubs subject to be steered through a steering actuator and being interlinke... | 05/03/1994 |
| 5197751 | Rear wheel tracking device A gear mechanism is disclosed which is installed between the bottom of a trailer and the trunion shaft of a rear wheel assembly of the trailer to cause the rear wheel assembly of the trailer to rotate in the opposite direction from the turning direction o... | 03/30/1993 |
| 4417740 | Vehicle for coasting down in a channel-shaped roller slide For coasting down in a non-rail, channel-shaped roller slide having straight and curved sections, a vehicle comprises a chassis with unsteered wheels, each front wheel being mounted on a supporting member. The axle of each front wheel is arranged with cas... | 11/29/1983 |
| 4271764 | Vehicle adapted to be guided on tracks for the public local passenger traffic with pivotal rear axle and longitudinal guide members for such axle A vehicle adapted to be selectively operated with or without guide rails with the vehicle including a steerable vehicle axle and at least one nonsteerable vehicle axle. The nonsteerable vehicle axle is mounted so as to be entirely pivotable to a limited e... | 06/09/1981 |
