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Limited Movement Machinery Roller Devices

[+] Author Affiliations
Ralph L. Barnett, Dennis B. Brickman

Triodyne, Inc.

Paper No. IMECE2004-59822, pp. 37-43; 7 pages
doi:10.1115/IMECE2004-59822
From:
  • ASME 2004 International Mechanical Engineering Congress and Exposition
  • Engineering/Technology Management: Safety Engineering and Risk Analysis, Technology and Society, Engineering Business Management
  • Anaheim, California, USA, November 13 – 19, 2004
  • Conference Sponsors: Safety Engineering and Risk Analysis Division, Technology and Society Division, and Management Division
  • ISBN: 0-7918-4720-9 | eISBN: 0-7918-4178-2, 0-7918-4179-0, 0-7918-4180-4
  • Copyright © 2004 by ASME

abstract

Ancient Egyptians allegedly moved large stone blocks by placing cylindrical rollers beneath them and manually urging them along. This rolling procedure required that the rollers emerging from the rear of the stone be manually lifted and replaced in front. This roller replacement protocol has been automated in commercially available roller units that allow continuous movement of heavy machinery under the action of pry bars, come-a-longs, winches, or manual push efforts. Unfortunately, when slopes or asperities are encountered these heavy loads may accelerate uncontrollably or steer themselves in unsafe directions when the roller units become reoriented. This paper describes two inventions that cause the locomotion of the machinery to proceed in inchmeal fashion by intermittently braking the system while the roller units are manually reset.

Copyright © 2004 by ASME
Topics: Machinery , Rollers

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