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US 4,991,861 AGranted
Coaster vehicle having front and rear steerable wheels
OwnerRozenn M. F. Carn, Gwendoline M. K. Carninventors
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Abstract
A coaster having a passenger-receiving footplate (1) which is mounted on at least two wheels (7). According to the invention, the wheels (7) are connected to the footplate (1) by arms (3) which pivot horizontally about pivot pins (2) connected to the footplate and pivot rods (4) connected to the wheels, with the distance between the rods (4) being less than the distance between the pins (2).
Claims7
A coaster comprising
- a front wheel, the front wheel being rotative about a front axle;
- a rear wheel spaced from the front wheel, the rear wheel being rotative about a real axle;
- a footplate supported between the front and rear wheels, the footplate having a top and a bottom;
- and front and rear steering means respectively interconnecting the front and rear wheels to the footplate,
- the steering means respectively interconnecting the front axle and the rear axle to the footplate;
- each steering means comprising the pair of spaced arms having first and second ends, the respective first arm ends being pivotally interconnected to the footplate by pivot pins;
- pairs of vertical rods respectively connected to the second ends of the front wheel arms and to the second ends of the rear wheel arms;
- a cursor respectively positioned on each of the vertical rods, the front wheel axle being secured between a first pair of cursors and the rear wheel axle being secured between a second pair of cursors;
- the said respective pairs of arms, an axle and the portion of the footplate defined between pivot pins defining front and rear trapeziums, each trapezium having a large base and a small base, the said axles being the respective small base of each trapezium.
6 more elements
Dependencies are inferred from the claim text.