Land vehicles – Skates – Wheeled skate
Patent
1994-09-28
1997-08-26
Camby, Richard M.
Land vehicles
Skates
Wheeled skate
280 87042, 280 1128, 280809, A63C 1706
Patent
active
056604017
ABSTRACT:
A skateboard has a row of rollers, with a rear roller of relatively larger diameter for improved ground contact during turning maneuvers. Rollers are pivotally mounted for steer-ability, preferably being mounted on inclined axes for the effecting of turning torque about the axes in desired directions in response to exertion by a person of downward force on selected side portions of the skateboard, whereby improved turning of the rollers in desired directions is provided. A roller may be mounted on a pivotable yoke with the roller mounted on one end portion and a spring retainer on the other, so that upon a roller encountering an obstruction, bump or depression, the roller moves upwardly or downwardly to pivot the retainer against a spring, and impact energy is absorbed. Improved propulsion poles are provided, each pole having a generally transverse handle adapted for improved manual grasping and exertion of downward force against a supporting surface; a deformable pole tip member provides improved engagement with a ground surface in various pole orientations.
REFERENCES:
patent: 3627172 (1971-12-01), Goodwin
patent: 4106786 (1978-08-01), TAlbott
patent: 4391456 (1983-07-01), Moor
patent: 4795181 (1989-01-01), Armstrong
patent: 4865342 (1989-09-01), Kong
patent: 5125687 (1992-06-01), Hwang
patent: 5163710 (1992-11-01), Chirtel et al.
patent: 5419570 (1995-05-01), Bollotte
Brown Boniard I.
Camby Richard M.
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