Motor vehicles – Special driving device – Portable track
Reexamination Certificate
2011-01-25
2011-01-25
Morris, Lesley (Department: 3611)
Motor vehicles
Special driving device
Portable track
C180S009260, C180S009230, C180S009250, C305S033000, C305S034000, C305S165000, C305S185000
Reexamination Certificate
active
07874387
ABSTRACT:
A track extension in combination with a track system comprises a track system having a track frame, wheels mounted to the frame and adapted to allow cyclic movement of a track about the frame, drive means in the frame adapted to transmit a drive of a vehicle to the track to drive the track in a cyclic movement. An extension frame is releasably secured to an end of the track frame. An idler wheelset is mounted to an end of the extension frame. A track is mounted about the track frame and the extension frame such that a footprint of the track is delimited at an end by the engagement of the track with the idler wheelset. A method is provided to increase a footprint of a track system.
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Arce Marlon A
Morris Lesley
Ogilvy Renault LLP
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