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US 4,175,627 AGranted
Propulsion system for a snow going device
AssigneeSaroy Engineering
InventorRoyce H. Husted
Life of this patent
Estimating the term…
Abstract
A propulsion system for a snow going device comprising a tread having a roller chain carrying cleats with a resilient snow engaging portion, and an undersurface defining a groove which slidingly contains the chain, the groove also provides a longitudinal bearing for supporting the cleats through the chain.
Claims2
In a ski-bob type of a device, a propulsion system comprising in combination:
- a tread having a chain carrying a plurality of cleats with resilient snow engaging portions,
- an undersurface defining a longitudinal groove, said groove adapted to slidingly contain said chain and to provide a longitudinal bearing for it, supporting said cleats through said chain,
- wherein said chain is made of links having side-plates and cross-members, and wherein said longitudinal bearing slidingly and directly supports said chain through said cross members.
Dependencies are inferred from the claim text.