Devices for lifting and supporting a structure and method

Details Devices for lifting and supporting a structure and method Devices for lifting and supporting a structure and method

1990-02-15

1991-05-07

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Underpinning

405229, 254 29R, E02D 500

Patent

active

050131907

ABSTRACT:
Apparatuses for lifting and supporting a structure comprising a support collar disposable on a support shaft, a jackstand with a support ledge disposable under the structure, and a lifting head for use with a support collar. A method for using the apparatuses comprising disposing a portion of the jackstand under the structure, driving the support shaft with a jack supported on the jackstand, and removing the jackstand. A support collar is disposed on the support shaft, and the structure lifted with a lifting head device secured to the support collar. The collar is secured to the shaft.

REFERENCES:
patent: 3902326 (1975-09-01), Langenbach
patent: 4708528 (1987-11-01), Rippe
patent: 4765777 (1988-08-01), Gregory
patent: 4854782 (1989-08-01), May
patent: 4911580 (1990-03-01), Gregory et al.

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