US 12,442,151 B2
Post hole belling auger
Joseph Timbrook, Monroe City, MO (US); Skyler Timbrook, Monroe City, MO (US); and Saylor Timbrook, Monroe City, MO (US)
Assigned to Jess Tools, LLC, Hunnewell, MO (US)
Filed by Jess Tools, Inc., Hunnewell, MO (US)
Filed on Oct. 17, 2023, as Appl. No. 18/488,853.
Application 18/488,853 is a continuation in part of application No. 17/381,168, filed on Jul. 20, 2021, granted, now 11,788,245.
Prior Publication US 2024/0191578 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E02D 5/44 (2006.01); E21B 10/32 (2006.01)
CPC E02D 5/44 (2013.01) [E21B 10/32 (2013.01); E21B 10/322 (2013.01); E02D 2250/0038 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A belling auger apparatus for belling a hole of a given width in earth, the apparatus comprising:
a rotatable shaft with a lower end and an upper end;
a belling assembly connected to the lower end of the rotatable shaft;
a rotational drive connector connected to the upper end of the rotatable shaft, the rotational drive connector being configured to removably connect to a hydraulic motor;
a base pan;
a base shaft affixed to a center point of the base pan;
an extension strap rotatably connected at a first pivot point to the base shaft; and
a shovel with a distal end and a proximal end;
wherein in response to applying downward force to the hydraulic motor, the shovel pivot outward to bell the bottom of the hole and the belling assembly bells the bottom of the hole to at least 50% greater than the given width;
wherein the rotational drive connector is configured with withstand a vertical force of 250 pounds or greater; and
wherein the downward force is at least 200 pounds.