Hollow screw-in pile
OwnerRichard White, Ted Krossa +1inventors
InventorsRichard White, Ted Krossa, Charles Jones
Life of this patent
Estimating the term…
Abstract
A pile is provided for installing poles in loose soils such as marshes, muskegs or granular soils. The pile is hollow, cylindrical and open-ended. It uses a serrated bottom end for cutting through the ground, and has retainment slots at its top end for slidably engaging a spinner bar for rotating the pile. The pile may be used with an auger to enhance ground penetration during installation of the pile. The pile is modularly extendible in lengths to thirty feet or more. The pile is twisted into the ground using high-torque hydraulically driven digger motors mounted on commercially available construction equipment.
Claims17
An apparatus for use with a rotatable drive means for providing ground support to a post member, said apparatus comprising:
- a generally cylindrical hollow pile having an open bottom end and an open top end for receiving said post member therein;
- said top end having slot means for releasably receiving said drive means to twist said pile about its longitudinal axis and to urge said pile into the ground;
- said bottom end having cutting means for cutting through the ground upon said twisting of the pile;
- and,
- an auger member connectable to the drive means for rotation therewith, said auger member being located within said pile during installation thereof;
- wherein upon insertion of said pile into the ground with said drive means, a bottom portion of said post member is inserted into the top end of the pile and secured therein with filler material.
An apparatus for use with a rotatable drive means for providing ground support to a post member, said apparatus comprising:
- a generally cylindrical hollow pile having an open bottom end and an open top end for receiving said post member therein;
- said top end having slot means for releasably receiving said drive means to twist said pile about its longitudinal axis and to urge said pile into the ground;
- and,
- said bottom end having cutting means for cutting through the ground upon said twisting of the pile;
- said pile comprising first and second hollow cylindrical pile segments, each pile segment having an attachment means for interconnecting said pile segments in longitudinal alignment to form said pile;
- and
- said attachment means comprising meshable male and female lock members on abutting edges of said first and second pile segments, respectively, and junction means for retaining said first and second pile segments together upon mating said male and female lock members;
- wherein upon insertion of said pile into the ground with said drive means, a bottom portion of said post member is inserted into the top end of the pile and secured therein with filler material.
An assembly for anchoring a post in soil, for use with a rotatable powered drive shaft, said assembly comprising:
- a) a spinner bar element operatively engageable with said drive shaft;
- b) a hollow cylindrical casing with open top and bottom ends;
- c) said top end adapted to receive and retain said post, and having slot means for operatively engaging said spinner bar element to transfer rotation from said drive shaft to said casing for inserting and securing said casing in said soil;
- d) said bottom end having serrations for cutting through the soil during said rotation of the casing;
- and
- e) an auger operatively engageable with said drive shaft for rotation therewith, said auger being located within said casing during installation thereof.
Dependencies are inferred from the claim text.