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WINCH CARRYING SNOW GROOMING VEHICLE SUPPORTED BY SKIDS AND POWERED BY AN ANCHORED DRAWLINE

  • US 3,692,119 A
  • Filed: 04/23/1971
  • Issued: 09/19/1972
  • Est. Priority Date: 04/23/1971
  • Status: Expired due to Term
First Claim
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1. A steerable, snow grooming vehicle for ski slopes comprising, in combination, a rigid body, and a series of widely spaced skids of large supporting area connected to the body and constituting the sole support therefor, and normally the sole work-effecting instrumentality of the vehicle, said skids including a single, centrally disposed, skid at one end of the vehicle which is rotatively mounted for steering purposes, and two fixed, laterally spaced skids at the opposite end of the vehicle, all of said skids being equipped with very narrow, longitudinally extending, downwardly protruding keels of substantial keel plane area for steering and other control purposes, the construction and arrangement being such that the combined weight of the vehicle and its load is distributed to the skids substantially in proportion to their weight supporting areas, and the spacing and location of the fixed skids relative to one another and to the steerable skid being such that an uninterrupted width of snow is normally compacted substantially evenly at a single pass, equal, substantially, to the combined widths of the skids, and means on the vehicle and connectable with a stationary anchor for adequAtely controlling the rate of coasting of the vehicle downhill and the rate of pulling of the vehicle uphill, without the exertion of any driving or braking traction between the vehicle and the snow.

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