An electric working machine in one aspect of the present disclosure includes: a motor; a driver to drive the motor; a first control circuit; and a second control circuit. The first control circuit controls the driver such that the motor rotates in a set rotation direction. The second control circuit is provided separately from the first control circuit. The second control circuit detects a rotation direction of the motor and performs an abnormality handling process to stop rotation of the motor in response to a situation where the detected rotation direction is reverse to the set rotation direction.

A table saw includes a workbench, a support frame, a cutting assembly, a mounting device, and a first lighting mechanism. The workbench has a workplane. The support frame is used for supporting the workbench. The cutting assembly includes a cutting element, where the cutting element is disposed at least partially above the workplane, and a drive device that drives the cutting element to rotate around a rotational axis in a cutting plane. The mounting device is disposed above the cutting element. The first lighting mechanism is disposed on the mounting device and generates a first lighting region toward the cutting assembly.

Provided are a method for machining a plate material by using a linear saw, and a numerical control saw machine apparatus. The numerical control saw machine apparatus includes: two carrying mechanisms, which are connected to two ends of a linear saw respectively; at least one control motor, configured for adjusting a distance between the two carrying mechanisms; and a pair of vibration motors, configured for driving the vibration of the linear saw, wherein, the distance between the two carrying mechanisms is adjusted by the control motor based on a monitored change in a torque of the control motor.

A ring cutter for transecting a ring trapped on an appendage. The ring cutter includes a body, a motor housed in the body, a blade drivingly connected to the motor, a guard coupled to the body, a guard actuator drivingly connected to the guard and controlling a movement of the guard, a current sensor positioned to sense electrical current associated with the motor, and a processor communicatively coupled to the current sensor and the guard actuator. The blade has a rotation axis and a peripheral cutting edge. The guard is insertable between the ring and the appendage to position the ring between the guard and the blade. The processor is configured to: i) receive, from the current sensor, an electrical current reading associated with the motor, and ii) transmit, to the guard actuator, one or more commands to control the movement of the guard based on the electrical current reading.

An easily operable, highly durable cutting machine finely adjusts the miter angle of a turntable. A cutting machine includes a turntable supported in a manner rotatable horizontally to a base and including a substantially disk-shaped table body to receive a workpiece and a table extension protruding forward from the table body, a cutting machine body located above the turntable and connected in a manner swingable vertically to the turntable, and a fine angle adjuster that adjusts a rotation angle of the turntable with respect to the base and including a rack on the base, a pinion located in the table body within an area of the table body as viewed from above and engageable with the rack directly or indirectly, and an operation part operable to rotate the pinion.

A signal switch for a power tool has a paddle supported by a rocker that extends into a switch housing to pivot an actuating member. A circuit board is attached to a bottom of the switch. At least one micro-switch extends from the circuit board into the switch in position to be actuated by the actuating member depending on a position of the paddle. The circuit board includes a connector that is configured to connect to a cable, such as a ribbon cable. Circuit traces on the circuit board are electrically connected to the micro-switches and the electrical connector. The interior of the switch housing is sealed from the exterior environment so that the mechanical components of the switch are shielded from the environment.

A saw support assembly includes a base member defining a receiving channel. The receiving channel of the base member is configured to receive a leg of a saw therein to secure the base member to the leg of the saw. An arm member is pivotably coupled to the base member. The arm member is configured to pivot towards or away from the base member. The arm member is configured to extend from the base member to support the leg of the saw to which the base member is secured. A branch member extends between the base member and the arm member. The branch member defines a first end connected with the base member and a second end connected with the support arm. The branch member is configured to limit a degree to which the arm member can pivot away from the base member.

An emergency evacuation tool that is configured to be mounted within an operator cab of heavy equipment wherein the tool of the present invention is operable to facilitate evacuation of the cab by cutting through the safety cage surroundably present thereto. The present invention includes a housing having a motor and a power supply disposed in the interior volume thereof. A blade is present on one end of the housing wherein the blade is adjustable and axially aligned with the housing. The blade is surroundably mounted by a blade guard housing. The lower edge of the blade guard housing provides stabilization during use. A spark receiving member is secured to the blade guard housing. The emergency evacuation tool is releasably secured to a mounting case that is electrically coupled to the heavy equipment. The housing includes at least one handle that is rotatable about the housing.

An edger feed apparatus and method of feeding flitches into an edger are disclosed. The flitches are positioned with minimal spacing between successive flitches and with flitches positioned and the edger adjusted so as to yield a maximum value of lumber from each flitch. The edger feed apparatus may include a fetcher assembly to hold a second flitch in an edger ready position while a portion of the first flitch is directed below on an edger infeed mechanism being transported to the edger. The fetcher assembly releases the second flitch on to the edger infeed mechanism when the first flitch has moved clear from beneath the edger ready position. The edger feed apparatus additionally includes a scanner system for creating and storing a digital three-dimensional model of each flitch for determining a sawing solution to be implemented by the edger.

A suction device for a portable handheld power saw (10), wherein: the handheld power saw has a housing (17) in which a drive motor (11) is arranged and has a tool holder (14), which can be driven to linearly oscillate along an axis of movement (SO) by the drive motor (11), for a sawing tool (15) having an elongate design and extending along a longitudinal axis for making a saw cut in a workpiece (W). The suction device (30) has at least one guide contour (55) which, when the suction device is mounted on the handheld power saw, protrudes in front of the machine guide surface (23) such that the handheld power saw can be guided on the workpiece by means of the at least one guide contour (55) instead of the machine guide surface.