Wheel substitutes for land vehicles – With means to remove or exclude foreign matter – With deflector plate – track guide means – or scraper
Patent
1997-06-27
1998-10-13
Stormer, Russell D.
Wheel substitutes for land vehicles
With means to remove or exclude foreign matter
With deflector plate, track guide means, or scraper
305110, B62D 55088
Patent
active
058202307
ABSTRACT:
Several embodiments of yieldable cutter blades are disclosed for use on a land vehicle to reduce the tendency of debris from being entrained and wrapped on rotary parts and their supports such as on wheels and axles or drive sprocket hubs and associated support housings. The blades yield in response to an excessive cutting force which could potentially damage support bearings for the rotary part in extraordinary conditions. In the various embodiments, a yieldable blade is retained in its operating position by a set of bolts of predetermined strength. When an excessive cutting force occurs, the bolts break away and permit the blade to yield away from its operative cutting position.
REFERENCES:
patent: 4818040 (1989-04-01), Mezzancella et al.
patent: 5370451 (1994-12-01), Brownlee et al.
patent: 5697683 (1997-12-01), Arulandu et al.
patent: 5725292 (1998-03-01), Keedy et al.
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