Methods of shifting heavy and/or loaded structures

Details Methods of shifting heavy and/or loaded structures Methods of shifting heavy and/or loaded structures

1977-07-05

1978-11-21

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Building forms or construction engineering type mold with...

249 10, F21D 1110

Patent

active

041264070

ABSTRACT:
Apparatus for sifting heavy supporting structures relative to stationary load carrying structures comprises a plurality of parallel jack rods secured to the load carrying structure. A plurality of climbing jacks adapted to operatively engage the jack rods are secured to the heavy supporting structure. The arrangement is such that the heavy supporting structure is shifted relative to the load carrying structure when the climbing jacks are operated and advance along the jack rods while the load carrying structure remains stationary. The reactive forces caused by the operation of the climbing jacks is transferred to the load carrying structure by the jack rods. A method for shifting heavy supporting structures is also disclosed.

REFERENCES:
patent: 1649674 (1927-11-01), Egan
patent: 2045789 (1936-06-01), McDowell
patent: 2596854 (1952-05-01), Jack et al.
patent: 2617168 (1952-11-01), Johnson
patent: 2620543 (1952-12-01), Scharsach
patent: 2870518 (1959-01-01), Bossner
patent: 3593392 (1971-07-01), Lambertini
patent: 3663132 (1972-05-01), Andersson
patent: 3973885 (1976-08-01), Schmidt

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