Motor vehicles – Steering by driving – Endless flexible track
Reexamination Certificate
2007-02-06
2009-08-18
Dickson, Paul N (Department: 3611)
Motor vehicles
Steering by driving
Endless flexible track
C180S006480, C180S006500
Reexamination Certificate
active
07575075
ABSTRACT:
The present invention is an improved personal tracked vehicle consisting of a platform pivotally mounted on top of a housing, the platform having a right and left side and a central axis. The platform is pivotally movable between a first position wherein the right side of the platform is below the left side of the platform and a second position wherein the left side of the platform is below the right side of the platform. The platform has a forward portion, a rearward portion and middle portion between the two, the middle portion being arched upwardly. The vehicle further includes a pair of parallel right and left tracks mounted to the housing below the platform, the right track being coupled to a right track transmission and the left track being coupled to a left track transmission, the right and left track transmissions both being coupled to a motor for driving the transmissions. The right and left track transmissions are operatively coupled to the platform such that when the platform is pivoted towards its first position, the left track is driven faster and the right track is driven slower, and when the platform is pivoted towards its second position, the right track is driven faster and the left track is driven slower, the platform being biased towards a central position wherein the left and right drives operate at the same speed. The motor of the vehicle is mounted to the housing below the middle portion of the platform and between the tracks.
REFERENCES:
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patent: 7475751 (2009-01-01), Pard et al.
patent: 2008/0277172 (2008-11-01), Ben-Tzvi et al.
Adams Tashiana
Borges Elias
Dickson Paul N
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