A multi-tooth jaw for a torque stopper device prevents rotation of downhole tools suspended in a wellbore casing. The jaw includes a base for positioning adjacent an outside wall of the torque stopper and a hinge connection allowing the jaw to pivot around an axis of rotation running lengthwise through the base. The jaw further includes a plurality of radial tips, i.e., teeth, each a different distance from the axis of rotation. When viewed from a side with the axis of rotation being a point around which the jaw pivots, the tips are in ascending order of distance with a first, leading tip having a shortest distance from the axis of rotation as the jaw pivots from a stowed to a deployed position. A torque stopper device with the multi-tooth jaw supports a range of casing internal diameters. A repair kit allows swapping a one-tooth jaw with the multi-tooth jaw.

A multi-tooth jaw for a torque stopper device prevents rotation of downhole tools suspended in a wellbore casing. The jaw includes a base for positioning adjacent an outside wall of the torque stopper and a hinge connection allowing the jaw to pivot around an axis of rotation running lengthwise through the base. The jaw further includes a plurality of radial tips, i.e., teeth, each a different distance from the axis of rotation. When viewed from a side with the axis of rotation being a point around which the jaw pivots, the tips are in ascending order of distance with a first, leading tip having a shortest distance from the axis of rotation as the jaw pivots from a stowed to a deployed position. A torque stopper device with the multi-tooth jaw supports a range of casing internal diameters. A repair kit allows swapping a one-tooth jaw with the multi-tooth jaw.

A hand-actuated earth auger of the type used to drill water wells, for taking soil samples, or other similar purposes is disclosed. It consists of a spiral or bladed earth drill, extended with one stem rod consisting of one or more stem segments, and one tee handle mounted on a handle collar. The handle collar can be clamped at any height along the stem rod, while the tee handle can be attached to the handle collar in two configurations, resulting in two different heights of the handle. These features allow the operator to lift the auger out of the ground by doing a seated calf raise in two quick increments, corresponding to the two configurations of the tee handle. It also allows the stem rod to be assembled of fewer, but longer stem segments, thus saving on cost.

An electrical handheld shovel system includes a handheld shovel with an auger bit. The shovel includes a motor configured to rotate the auger bit and a portable power source configured to power the motor. The shovel includes an input/output (I/O) device and a controller to control rotation of the auger bit. The shovel has a handle and a shovel portion. In one example, the power source is integrated into the handle, and in another example, the power source is detachably coupled to the handle. The shovel has a gearbox coupled to the motor. The shovel portion includes a blade positioned proximal to the auger bit to retain debris from the auger bit. The auger bit has a flute that is partially covered by the blade, and the blade defines a discharge opening configured to discharge at least some of the debris.

A method for creating a weep hole is disclosed. The weep hole is drilled in an uncured, concrete, hollow core structural component having one or more external surfaces and one or more internal surfaces. The weep hole is drilled using a drilling apparatus comprising a drill, a rotating drill bit with an internal fluid passageway, a power source, and a pressurized fluid source. Loose, uncured concrete material deposited near the weep hole on the one or more internal surface as a result of drilling the weep hole is removed by releasing pressurized fluid which flows from the pressurized fluid source, through the drill and the rotating drill bit.

An electrical handheld shovel system includes a handheld shovel with an auger bit. The shovel includes a motor configured to rotate the auger bit and a portable power source configured to power the motor. The shovel includes an input/output (I/O) device and a controller to control rotation of the auger bit. The shovel has a handle and a shovel portion. In one example, the power source is integrated into the handle, and in another example, the power source is detachably coupled to the handle. The shovel has a gearbox coupled to the motor. The shovel portion includes a blade positioned proximal to the auger bit to retain debris from the auger bit. The auger bit has a flute that is partially covered by the blade, and the blade defines a discharge opening configured to discharge at least some of the debris.

A rotating cutter apparatus including a housing having a housing interior surface defining a housing bore, a shaft extending through the housing bore such that an annular space is provided between the housing interior surface and the shaft, and at least one cutter carried on the shaft. The shaft is rotatable relative to the housing about a shaft axis. The at least one cutter extends radially toward the housing interior surface and is rotatable relative to the housing about the shaft axis. A method for reducing a size of solid objects contained in a fluid, including providing a rotating cutter apparatus, introducing the fluid containing the solid objects into the rotating cutter apparatus, and rotating a shaft and at least one cutter in order to reduce the size of the solid objects while passing the fluid through the rotating cutter apparatus.

A rotating cutter apparatus including a housing having a housing interior surface defining a housing bore, a shaft extending through the housing bore such that an annular space is provided between the housing interior surface and the shaft, and at least one cutter carried on the shaft. The shaft is rotatable relative to the housing about a shaft axis. The at least one cutter extends radially toward the housing interior surface and is rotatable relative to the housing about the shaft axis. A method for reducing a size of solid objects contained in a fluid, including providing a rotating cutter apparatus, introducing the fluid containing the solid objects into the rotating cutter apparatus, and rotating a shaft and at least one cutter in order to reduce the size of the solid objects while passing the fluid through the rotating cutter apparatus.

The disclosure provides an earth auger comprising a supporting assembly, a drill pipe assembly including a drill pipe, a driving assembly arranged on the supporting assembly to drive the drill pipe assembly to work and a brake assembly including a trigger component that brakes the driving assembly and a brake lever connected through a first pivot and matched with the trigger component. The projection part of the brake lever on the plane perpendicular to the axis of the drill pipe is located outside the projection of the supporting assembly on the plane perpendicular to the axis of the drill pipe. The earth auger provided by the disclosure can effectively prevent accidents and improve the safety performance of the earth auger.

A cutting head includes a main body that is attachable to an ice drill shaft at a top side. The main body includes a bottom side that has a bottom peripheral surface. The cutting head includes at least one cutting edge that is disposed on the main body. The cutting edge is configured to perform a cutting operation at the bottom side of the main body. The cutting head includes a cutting rate control pad that is disposed on the bottom side of the main body. The cutting rate control pad extends away from the bottom peripheral surface.