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US 11,028,576 B1Granted
Lift and fill concrete raising system
OwnerDavid W. Stecker, Sr.inventor
Life of this patent
Estimating the term…
Abstract
A system to lift concrete slabs, objects or other rigid materials comprising a sway and lifting bar, lifting jacks on opposing ends of the sway and lifting bar, slip lifting tube brackets on opposing ends of the sway and lifting bar, and a lifting bracket attached to each slip lifting tube bracket by a chain at opposing ends of the sway and lifting bar.
Claims19
A system for lifting a concrete slab, comprising:
- a first lifting jack and a second lifting jack;
- a first slip tube secured to a top of the first lifting jack;
- a second slip tube secured to a top of the second lifting jack;
- a lifting bar having a first end extending through the first slip tube and a second end extending through the second slip tube;
- a first lifting tube around the first end of the lifting bar between the first slip tube and the second slip tube;
- a second lifting tube around the second end of the lifting bar between the first slip tube and the second slip tube;
- a first lifting bracket connected to the first lifting tube;
- a second lifting bracket connected to the second lifting tube;
- an expandable foam storage source;
- and
- a flexible tube connected to the expandable foam storage source for directing foam below a concrete slab to be lifted by the concrete lifting system.
8 more elements
A system for lifting a concrete slab, comprising:
- a first lifting jack and a second lifting jack;
- a first U-slot secured to a top of the first lifting jack;
- a second U-slot secured to a top of the second lifting jack;
- a lifting bar having a first end extending through the first U-slot and a second end extending through the second U-slot;
- a first lifting tube around the first end of the lifting bar between the first U-slot and the second U-slot;
- a second lifting tube around the second end of the lifting bar between the first U-slot and the second U-slot;
- a first lifting bracket connected to the first lifting tube;
- a second lifting bracket connected to the second lifting tube;
- an expandable foam storage source;
- and
- a flexible tube connected to the expandable foam storage source for directing foam below a concrete slab to be lifted by the concrete lifting system.
8 more elements
A lifting system, comprising:
- a lifting jack;
- a slip tube secured to a top of the lifting jack;
- a lifting bar having a first end extending through the slip tube and a second end to be placed upon a fixed location;
- a lifting tube around the first end of the lifting bar;
- a lifting bracket connected to the lifting tube;
- an expandable foam storage source;
- and
- a flexible tube connected to the expandable foam storage source for directing foam below a concrete slab to be lifted by the lifting system.
5 more elements
A system for lifting a concrete slab, comprising:
- a first lifting jack and a second lifting jack;
- a first slip tube secured to a top of the first lifting jack;
- a second slip tube secured to a top of the second lifting jack;
- a lifting bar having a first end extending through the first slip tube and a second end extending through the second slip tube;
- a first lifting tube around the first end of the lifting bar, wherein the first lifting tube is comprised solely of a unitary tube;
- a second lifting tube around the second end of the lifting bar, wherein the second lifting tube is comprised solely of a unitary tube;
- a first lifting bracket connected to the first lifting tube;
- and
- a second lifting bracket connected to the second lifting tube.
6 more elements
Dependencies are inferred from the claim text.