Abstract: A drain cleaning machine for moving a snake in a drain. The drain cleaning machine includes a housing, a motor configured to move the snake in the drain, a switch trigger configured to move between a first switch trigger position and a second switch trigger position, an actuating lever moveable between a deactivated position and an activated position, and a switch linkage configured to be moved by the actuating lever between a first switch linkage position and a second switch linkage position. In response to the actuating lever moving from the deactivated position to the activated position, the switch linkage is moved from the first switch linkage position to the second switch linkage position, and in response to the actuating lever moving from the activated position to the deactivated position, the switch linkage is moved from the second switch linkage position to the first switch linkage position.

Abstract: A concrete trowel including: a frame; a handle assembly extending from the frame for controlling the concrete trowel; a plurality of rotors coupled to the frame, each of the plurality of rotors including a plurality of blades; a drive assembly mounted to the frame including a plurality of motors, each mounted to a respective rotor of the plurality of rotors, operable to provide torque to the plurality of rotors to rotate the plurality of rotors about respective rotational axes; and a steering control system mounted on the handle assembly configured to selectively adjust the torque provided to one or more of the plurality of rotors and/or a rotational direction of one or more of plurality of rotors.

Abstract: A drain cleaning machine includes a housing, a snake inlet tube supported by the housing, the snake inlet tube defining a snake axis; a snake outlet tube supported by the housing, the snake outlet tube coaxial with the snake inlet tube; a motor switchable between a deactivated state and an activated state in which the motor is configured to rotate one of the snake inlet tube or snake outlet tube about the snake axis; an actuating lever moveable between a use position and a carry position, in which the actuating lever may be used to transport the drain cleaning machine; and a locking member coupled to the housing, the locking member moveable between an unlocked position, in which the actuating lever is allowed to move between the use and carry position, and a locked position, in which the actuating lever is maintained in the carry position.

Abstract: A concrete trowel includes a frame, a drive assembly including a motor mounted on the frame and a drive hub configured to receive torque from the motor, a handle assembly extending from the frame for controlling the concrete trowel, a rotor including a plurality of blades, the rotor rotatably coupled to the drive assembly for rotating about a rotational axis, and a steering control system mounted on the handle assembly to selectively adjust an orientation of the drive hub relative to a work surface in a plurality of different directions to adjust a pressure applied by the blades against the work surface.

Abstract: A drain cleaning machine includes a snake inlet tube, a clamping mechanism having a first support member and a second support member. The second support member is movable between a first position in which a first distance is defined between the first support member and the second support member, and a second position in which a second distance is defined between the first support member and the second support member. The clamping mechanism also includes a plurality of collets supported by the first and second support members. The drain cleaning machine also includes a motor switchable between a deactivated state and an activated state in which the motor is configured to rotate the clamping mechanism and an actuating lever moveable between a deactivated position, in which the second support member is in the first position, and an activated position, in which the second support member is in the second position.

Abstract: A feed mechanism for use with a drain cleaner includes a frame configured to be coupled to the drain cleaner. The frame includes a cable passage defining a cable axis. The feed mechanism includes a plurality of rollers including a translatable roller, the translatable roller moveable between an engaged position and a disengaged position. The feed mechanism includes an activator supported by the frame and movable between an active position and an inactive position. The feed mechanism includes a plunger coupled for movement with the activator and the translatable roller to move the translatable roller in response to movement of the activator, and a friction plate arranged about the plunger. The friction plate is operable to frictionally engage the plunger while the activator is in the active position to inhibit the activator from moving to the inactive position.

Abstract: Systems and methods for controlling a power trowel. A power trowel includes a handle including a speed control input, a housing, a shaft connecting the handle and the housing, a safety mechanism located on the shaft, a blade assembly positioned below the housing, a motor located within the motor housing and coupled to the blade assembly, and a controller. The safety mechanism includes a safety lever configured to move in response to an uncontrolled condition of the power trowel. The controller is connected to the motor and the safety mechanism. The controller is configured to drive, in response to actuation of the speed control input, the motor, detect a movement of the safety lever from a first position to a second position, and perform, in response to the movement of the safety lever to the second position, a safety operation.

Abstract: A feed mechanism for use with a drain cleaner includes a frame configured to be coupled to the drain cleaner. The frame including a cable passage defining a cable axis. The feed mechanism includes a plurality of rollers including a translatable roller. Each roller defines a roller axis. The translatable roller is moveable between an engaged position and a disengaged position. The feed mechanism includes a mode selection member coupled to the frame and moveable between a first position in which each roller axis is parallel to the cable axis and the plurality of rollers are configured to spin the cable about the cable axis, and a second position in which each roller axis is non-parallel to the cable axis and the plurality of rollers are configured to move the cable in a first direction along the cable axis.

Abstract: A drain cleaning machine for moving a snake in a drain. The drain cleaning machine includes a housing, a motor configured to move the snake in the drain, a switch trigger configured to move between a first switch trigger position and a second switch trigger position, an actuating lever moveable between a deactivated position and an activated position, and a switch linkage configured to be moved by the actuating lever between a first switch linkage position and a second switch linkage position. In response to the actuating lever moving from the deactivated position to the activated position, the switch linkage is moved from the first switch linkage position to the second switch linkage position, and in response to the actuating lever moving from the activated position to the deactivated position, the switch linkage is moved from the second switch linkage position to the first switch linkage position.

Abstract: A drain cleaning machine for moving a snake in a drain. The drain cleaning machine includes a rotating shell, a motor, radial drive mechanism, a translate mechanism, and a selection mechanism. The selection mechanism includes an actuating lever moveable between an activated position and a deactivated position, a selection plate moveable between a radial drive position and a translate position, and a push plate. The push plate is moveable in a first direction relative to the selection plate in response to the actuating lever moving to the activated position, and is moveable in a second direction relative to the selection plate in response to the actuating lever moving to the deactivated position. When the selection plate is in the radial drive position and the actuating lever is moved to the activated position, the push plate moves toward the selection plate to switch the radial drive mechanism to an engaged state.

Abstract: A handle for a construction tool includes a lower handle portion configured to be coupled to the construction tool, an upper handle portion configured to be grasped by a user, a support pin disposed between the upper handle portion to the lower handle portion, and a locking mechanism configured to selectively secure the upper handle portion relative to the lower handle portion. The upper handle portion pivotable relative to the lower handle portion about the support pin. The locking mechanism includes a locking pin movable between a lock position, in which the upper handle portion is not pivotable relative to the lower handle portion, and an unlock position, in which the upper handle portion is pivotable relative to the lower handle portion, and a release handle configured to selectively move the locking pin between the lock position and the unlock position.

Abstract: A pipe threader includes a housing, an electric motor, a battery, a die holder, and a die locking mechanism. The die locking mechanism receives torque from the electric motor and rotates as a result. A cutting die is received in the die holder and the locking mechanism rotationally locks the cutting die in the die holder. The locking mechanism includes a first lock ring and a second lock ring. The pipe threader includes a drive assembly including an electric motor, a multi-stage planetary transmission that receives torque from the motor, and a worm drive that receives torque from the transmission. The pipe threader includes an inertial measurement unit and an electronic processer. The processor receives data from the inertial measurement unit, generates a relative position of the pipe threader by applying a Kalman filter, determining whether the relative position exceeds a threshold, and decreases the motor speed in response.

Abstract: A concrete saw is disclosed and includes a frame having a platform and a leg pivotably coupled to the platform at a pivot axis, at least two rear wheels coupled to the platform at the pivot axis, at least one rear wheel coupled to an end of the leg distanced from the pivot axis, a power and drive assembly disposed on the platform, wherein the power and drive assembly includes an electric motor and a battery pack coupled to the electric motor to provide direct current power to the electric motor, and a cutting assembly driven by the power and drive assembly to cut a groove in a work surface as the concrete saw is moved across the work surface.

Abstract: A concrete trowel is disclosed and includes a frame, a drive assembly including a motor mounted on the frame and a drive hub configured to receive torque from the motor, a handle assembly extending from the frame for controlling the concrete trowel, a rotor including a plurality of blades, the rotor rotatably coupled to the drive assembly for rotating about a rotational axis, and a steering control system mounted on the handle assembly to selectively adjust an orientation of the drive hub relative to a work surface in a plurality of different directions to adjust a pressure applied by the blades against the work surface.

Abstract: A drain clearing air gun includes a housing defining a main body, a handle positioned on a first end of the main body, and a nose positioned on a second end of the main body. The drain clearing air gun additionally includes a tank at least partially positioned within the housing and including a chamber for receiving pressurized air, a motor positioned within the main body of the housing, and a pump positioned within the main body of the housing and operatively coupled to the motor. The pump is driven by the motor to pump air into the tank. The drain clearing air gun also includes a connection mechanism coupled to the nose. The connection mechanism includes a receiving member configured to releasably couple to a plurality of accessories.

Abstract: A drain clearing air gun includes a housing defining a main body, a handle positioned on a first end of the main body, and a nose positioned on a second end of the main body. A tank is at least partially positioned within the housing and includes a chamber for receiving pressurized air. A motor is positioned within a main body of the housing, and a pump is positioned within the main body of the housing and operatively coupled to the motor. The pump is driven by the motor to pump air into the tank. A pressure gauge is supported by the housing and includes an automatic shutoff feature. The pressure gauge is in fluid communication with the tank. When a predetermined pressure within the tank is reached the automatic shutoff feature is activated to stop the motor.

Abstract: A drain cleaning machine for moving a snake in a drain. The drain cleaning machine includes a rotating shell, a motor, radial drive mechanism, a translate mechanism, and a selection mechanism. The selection mechanism includes an actuating lever moveable between an activated position and a deactivated position, a selection plate moveable between a radial drive position and a translate position, and a push plate. The push plate is moveable in a first direction relative to the selection plate in response to the actuating lever moving to the activated position, and is moveable in a second direction relative to the selection plate in response to the actuating lever moving to the deactivated position. When the selection plate is in the radial drive position and the actuating lever is moved to the activated position, the push plate moves toward the selection plate to switch the radial drive mechanism to an engaged state.

Abstract: A feed mechanism for use with a drain cleaner includes a frame configured to be coupled to the drain cleaner. The frame including a cable passage defining a cable axis. The feed mechanism includes a plurality of rollers including a translatable roller. Each roller defines a roller axis. The translatable roller is moveable between an engaged position and a disengaged position. The feed mechanism includes a mode selection member coupled to the frame and moveable between a first position in which each roller axis is parallel to the cable axis and the plurality of rollers are configured to spin the cable about the cable axis, and a second position in which each roller axis is non-parallel to the cable axis and the plurality of rollers are configured to move the cable in a first direction along the cable axis.

Abstract: A drain cleaning machine includes a snake inlet tube, a clamping mechanism having a first support member and a second support member. The second support member is movable between a first position in which a first distance is defined between the first support member and the second support member, and a second position in which a second distance is defined between the first support member and the second support member. The clamping mechanism also includes a plurality of collets supported by the first and second support members. The drain cleaning machine also includes a motor switchable between a deactivated state and an activated state in which the motor is configured to rotate the clamping mechanism and an actuating lever moveable between a deactivated position, in which the second support member is in the first position, and an activated position, in which the second support member is in the second position.