Foundation slab support and lifting apparatus

Details Foundation slab support and lifting apparatus Foundation slab support and lifting apparatus

1991-07-18

1993-04-27

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Underpinning

521251, 521265, 405232, E02D 720

Patent

active

052056732

ABSTRACT:
Apparatus and method for supporting and lifting building foundation slabs utilizing an above-slab, power cylinder activated, lift assembly and a below-slab support bracket. The bracket is an elongated plate which is inserted through a small access slot cut in the slab and then rotated to extend transversely of the slot. Lift rods are connected between the bracket and a cross arm of the lift assembly positioned above the slab. The cross arm and the bracket include apertured guides for slidably receiving and guiding pilings successively driven under the slab by power cylinders connected from the cross arm.

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patent: 4925345 (1990-05-01), McCown et al.
patent: 5006015 (1991-04-01), Stephens et al.

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