DUAL-MODE TRANSPORTATION SYSTEM

  • US 3,847,085 A
  • Filed: 07/23/1973
  • Issued: 11/12/1974
  • Est. Priority Date: 07/16/1973
  • Status: Expired due to Term
First Claim
Patent Images

1. A transportation system comprising:

  • a self-propelled surface vehicle;

    an overhead track extending over part of a route to be traveled by said vehicle;

    a motor-driven vehicle carrier riding on said track; and

    hoist means on said carrier engageable with said vehicle for lifting same off the surface at a first location and redepositing same on the surface at a second location interlinked with said first location by said track, said hoist means comprising a platform, cable means suspending said platform from said carrier, reversible wind-up means for said cable means on said platform, and coupling means on said platform engageable with the top of said vehicle for suspending same from said platform upon a raising of the latter by operation of said wind-up means.

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