Nova Patents
US3734026A

Coaster vehicle and trackway

Abstract

An amusement device featuring a continuous trackway having a first end of lower elevation than a second end, a lift mechanism interposed between and connected to the ends of the trackway and including an elongated helical screw powered by a motor and extending upwardly from the first end of the trackway to the second end thereof and a coaster vehicle arranged to travel along the trackway and up the lift mechanism as the rotating screw continuously contacts one or more hooks depending from the vehicle urging the vehicle upwardly along the lift mechanism.

US3734026A, drawing sheet 1
Sheet 1 of 7

Term

Term ended

Expired 22 May 1990, 36.3 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

9 claims: 1 independent, 8 dependent

  1. 1
    I claim:1. An amusement device comprising: a trackway provided with a surface and having a first end of lower elevation than a second end thereof;a lift mechanism interposed between and connected to said ends of said trackway, said lift mechanism being provided with a pair of inwardly facing flanges defining therebetween a continuous opening extending between said ends of said trackway, a rigid elongated helical screw extending the length of said lift mechanism and located below said opening therein, means rotating said screw;and a vehicle provided with wheels which engage said surface of said trackway as said vehicle moves from said second end to said first end thereof, said vehicle being provided with at least one downwardly extending flange terminating above the bottoms of said wheels, a portion of said flange extending within said screw such that the rotation of said screw moves said vehicle upwardly along said lift mechanism, said vehicle further being provided with outwardly extending lugs positioned adjacent said inwardly extending flanges of said lift mechanism stabilizing said vehicle during movement along said lift mechanism.