Apparatus is provided for a medical cutting device, specifically, a cast removal apparatus designed for the removal of orthopedic casts generally applied for immobilization, which apparatus comprises a temperature safety system and/or a burn reduction system. The use of any saw for cast removal creates a potential for patient discomfort and iatrogenic injury, including but not limited to burns which can leave unsightly scars and wound complications. The apparatuses presented comprise a housing for a temperature control system and motor, which motor can be controlled by the temperature control system to control a cast saw blade, with at least one temperature sensor to sense temperature information regarding at least one cutting region of the blade. The temperature information is used by the temperature control system to control the motor. The apparatuses presented comprise a burn reduction system with cast saw blade coolant or lubricant and coolant or lubricant applicators.

A portable electric cutter includes a housing 2 in which a motor 1 is accommodated, a saw blade driven to rotate by the motor, a base 6 coupled to the housing 2 and having a bottom surface slidable on a surface of a material to be cut, a fan 7 driven to rotate by the motor, a driving circuit for switching power supplied to the motor, and a control circuit for controlling the driving circuit. A circuit board 60 on which the driving circuit, the control circuit and others are mounted is provided, motor cooling air vents are provided in the housing 2 on a side opposite to the saw blade, and circuit board cooling air vents are provided in the housing 2 on the side opposite to the saw blade.

A portable electric cutter includes a housing 2 in which a motor 1 is accommodated, a saw blade driven to rotate by the motor, a base 6 coupled to the housing 2 and having a bottom surface slidable on a surface of a material to be cut, a fan 7 driven to rotate by the motor, a driving circuit for switching power supplied to the motor, and a control circuit for controlling the driving circuit. A circuit board 60 on which the driving circuit, the control circuit and others are mounted is provided, motor cooling air vents are provided in the housing 2 on a side opposite to the saw blade, and circuit board cooling air vents are provided in the housing 2 on the side opposite to the saw blade.

Provided is a DC power supply device If an electrical tool (81) of a rated voltage of 36 V is connected to the DC power supply device (1) (if the voltage of a lower positive terminal indicates the presence of a short bar), a microcomputer (30) performs control so as to switch a switching element (Q1) on and output a DC voltage of 36 V between an upper positive terminal and the upper negative terminal. If an electrical tool (81) of a rated voltage of 18 V is connected to the DC power supply device (1) (if the voltage of the lower positive terminal indicates the absence of a short bar), the microcomputer (30) performs control so as to switch a switching element (Q2) on and output a DC voltage of 18 V between the upper positive terminal and the upper negative terminal.

A power tool comprising a body (110) arranged to support a rotatable work tool (120), the body comprising a front handle (130) and a rear handle (140), wherein the front handle is arranged between the rotatable work tool and the rear handle, the power tool comprising a liquid dispensing system (151,152, 153, 155) for adding a controlled amount of liquid to the rotatable work tool, the liquid dispensing system comprising a valve (153) for adjusting a flow of liquid in the liquid dispensing system, wherein the valve comprises a control member (154) arranged on the body adjacent to the front handle such that the control member is operable by a hand gripping the front handle.

A circular includes a housing, a sawing assembly including a motor and a saw blade located at two opposite sides of the housing and connected together so that the saw blasé can be driven by the motor to saw the workpiece and a saw blade shield secured to the housing and covering a part of the saw blade to prevent the saw blade from cutting the surrounding people, and a prism assembly including a protective cover affixed to the front end of the saw blade shield and a prism located in the protective cover to reflect the image of the saw blade sawing the workpiece through a window of the protective cover to the line of sight of the operator. In this way, the operator can clearly confirm whether the sawing path is skewed with the normal operating posture to improve the efficiency.

A circular includes a housing, a sawing assembly including a motor and a saw blade located at two opposite sides of the housing and connected together so that the saw blasé can be driven by the motor to saw the workpiece and a saw blade shield secured to the housing and covering a part of the saw blade to prevent the saw blade from cutting the surrounding people, and a prism assembly including a protective cover affixed to the front end of the saw blade shield and a prism located in the protective cover to reflect the image of the saw blade sawing the workpiece through a window of the protective cover to the line of sight of the operator. In this way, the operator can clearly confirm whether the sawing path is skewed with the normal operating posture to improve the efficiency.

A hand-held power tool, in particular a saber saw, having at least one holding unit for fastening the hand-held power tool to a holding device, in particular to an arresting cable and/or carabiner clip. The holding unit includes at least one receiving opening for receiving the holding device, and at least one damping element for damping a force transferred from the holding device to the hand-held power tool, in particular to a housing of the hand-held power tool. The damping element includes an at least substantially elastic element that at least partially encloses the receiving opening and receives in a form-fitting manner a fastening part delimiting the receiving opening.

A power tool includes a housing having a motor housing portion and a handle portion coupled thereto, an arbor supported by the housing, a working element attachable to the arbor for movement therewith, a motor positioned within the motor housing portion and configured to drive the arbor, a first lighting element positioned proximate an end of the handle portion, and a second lighting element positioned on the motor housing portion. The first lighting element is configured to illuminate a workpiece behind the working element and the second lighting element is configured to illuminate the workpiece in front of the working element.

A power tool includes a housing having a motor housing portion and a handle portion coupled thereto, an arbor supported by the housing, a working element attachable to the arbor for movement therewith, a motor positioned within the motor housing portion and configured to drive the arbor, a first lighting element positioned proximate an end of the handle portion, and a second lighting element positioned on the motor housing portion. The first lighting element is configured to illuminate a workpiece behind the working element and the second lighting element is configured to illuminate the workpiece in front of the working element.