Title: Apparatus and method for moving a large object

Abstract: The method and apparatus for moving a large object using four crawler transporters disposed in a rectangular or a trapezoidal pattern under the object and which support and move the object with an effective three point suspension.

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Inventors: Treadwell, Walter L. (Piedmont, CA, US)
Dewing, Kenneth F. (Benicia, CA, US)

Application Number: 894397
Filing Date: 1978-04-07
Publication_date: 1980-09-16
Assignee: Rigging International (Oakland, CA)
Primary Class(es): 280/81.1 91/531, 180/41
Other Classes:
US Patent Ref:

2101837	Dec, 1937	Blanchett	280/6.
3779399	Dec, 1973	Shigeno	254/84.

Other Refs:
Primary Examiner: Love, John J.
Assistant Examiner: Schrecengost, Randall A.
Attorney: Bruce & McCoy