Snow traction unit for vehicles

Details Snow traction unit for vehicles Snow traction unit for vehicles

2007-06-08

2011-10-25

Winner, Tony H. (Department: 3611)

Motor vehicles

Special driving device

Portable track

C180S009460, C180S234000, C180S414000, C305S120000, C305S127000, C305S168000

Reexamination Certificate

active

08042629

ABSTRACT:
A snow traction unit to replace a wheel of an all wheel drive vehicle which includes a frame supporting two carrier wheels; said carrier wheels being spaced apart a distance greater than their combined radii; an endless snow contacting track mounted for rotation on said carrier wheels; a track contacting surface provided between the lower extremities of said carrier wheels; a drive engagement means for engaging the drive shaft of the vehicle and for driving at least one of said carrier wheels; the arrangement of the width of the track, the spacing between the carrier wheels and the track contacting surface resulting in the vehicle having a force imprint less than 250 Kg/square meter.

REFERENCES:
patent: 3770330 (1973-11-01), Bombardier
patent: 3822755 (1974-07-01), Hine
patent: 4618015 (1986-10-01), Yochum
patent: 5113958 (1992-05-01), Holden
patent: 5586614 (1996-12-01), Kouchi et al.
patent: 5823284 (1998-10-01), Hoar et al.
patent: 5855248 (1999-01-01), Rawson et al.
patent: 5975226 (1999-11-01), Matsumoto et al.
patent: 6006847 (1999-12-01), Knight
patent: 6155363 (2000-12-01), Matsumoto et al.
patent: 6761234 (2004-07-01), Lamela et al.
patent: 7712557 (2010-05-01), Duceppe
patent: 1436267 (1976-05-01), None
patent: 2006/066406 (2006-06-01), None

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