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

1975-07-09

1977-09-27

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Including plural heating steps

61 84, 264 33, 264 34, 425 59, 425 65, E21D 1110

Patent

active

040502554

ABSTRACT:
Apparatus for shifting 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: 3497579 (1970-02-01), Barron
patent: 3548467 (1970-12-01), Allred

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