A safety cutting tool includes an electrically conductive cutting member, an electric motor for actuating the cutting member, a gripping handle electrically insulated from the cutting tool, a cutting trigger control that can be actuated by the hand of the user gripping the gripping handle, the cutting trigger control being electrically insulated from the cutting tool, an emergency stop device sensitive to a user coming into contact with the cutting member. The emergency stop device is controlled by a comparator comparing an impedance of a first electric circuit comprising the cutting tool and a second electric circuit used as a reference, the first and second circuits having manual contact electrodes provided on at least one of the gripping handle of the tool and the cutting trigger control. A method for controlling such a tool is also disclosed. The tool and method are is-applicable to electric secateurs and shears.

Control systems for power tools such as table saws, miter saws, band saws, hand-held circular saws, jointers, shapers, routers, up-cut saws and other machinery are disclosed. The control systems are particularly relevant to power tools equipped with active injury mitigation technology, and to a set, collection, family, series, group or suite of different types of power tools.

Control systems for power tools such as table saws, miter saws, band saws, hand-held circular saws, jointers, shapers, routers, up-cut saws and other machinery are disclosed. The control systems are particularly relevant to power tools equipped with active injury mitigation technology, and to a set, collection, family, series, group or suite of different types of power tools.

Disclosed are a control device for a power tool and a power tool provided with the control device. The control device includes an operation control interface which is provided with a manually operated controller; an impedance-measuring safety interface, wherein the impedance-measuring interface includes a first manual contact electrode and a second manual contact electrode which are electrically isolated from each other, and wherein the manual contact electrodes are provided on the controller and extend over a manual bearing surface of the controller. The device is suitable for controlling and ensuring the safe use of power tools, especially electrical tools, such as pruning shears.

Disclosed are a control device for a power tool and a power tool provided with the control device. The control device includes an operation control interface which is provided with a manually operated controller; an impedance-measuring safety interface, wherein the impedance-measuring interface includes a first manual contact electrode and a second manual contact electrode which are electrically isolated from each other, and wherein the manual contact electrodes are provided on the controller and extend over a manual bearing surface of the controller. The device is suitable for controlling and ensuring the safe use of power tools, especially electrical tools, such as pruning shears.

A safety system for a machine having a danger zone includes an induction coil having one or more turns extending along the periphery of a part of a worker's body as, for example, extending alone the fingers of a glove worn by the worker. A drive circuit applies a time-varying current having an identifiable characteristic such as the frequency of an alternating current. A magnetic field having the characteristic of the time-varying current is induced in an omnidirectional magnetic field sensor mounted adjacent the danger zone. The magnitude of this field is monitored. When the magnitude exceeds a threshold, a warning signal is issued and protective action may be taken, such as stopping or reversing the machine.

A safety system for a machine having a danger zone includes an induction coil having one or more turns extending along the periphery of a part of a worker's body as, for example, extending alone the fingers of a glove worn by the worker. A drive circuit applies a time-varying current having an identifiable characteristic such as the frequency of an alternating current. A magnetic field having the characteristic of the time-varying current is induced in an omnidirectional magnetic field sensor mounted adjacent the danger zone. The magnitude of this field is monitored. When the magnitude exceeds a threshold, a warning signal is issued and protective action may be taken, such as stopping or reversing the machine.

A device for forming an opening in a nipple of a baby bottle has a housing having a platform formed on a top surface thereof. a cutting unit is positioned on the platform. The cutting unit moves in an up and down manner forming the opening in the nipple. A holding device on the platform has a base and a cutout formed in a top surface of the base holding the nipple there within. The cutout is formed to hold the nipple so that an area of the nipple where the opening is formed is positioned in a bottom area of the cutout. A slot is formed in a bottom section of the cutout and extending through the base, the slot allowing the cutting unit to penetrate through the nipple and into the slot. The cutting unit contacts and stretches an interior wall of the nipple where the opening is to be formed reducing disfiguration where the opening is formed. When the cutting unit is withdrawn once the interior wall has been penetrated therethrough, the interior wall of the nipple where the opening is formed returning to an initial non-stretched state.

A printing apparatus including: a printing apparatus main body, a main body of a cutter unit, an attachment position thereof with respect to the printing apparatus main body being changeable, a fixed blade, a movable blade configured to mesh with the fixed blade to cut a printing medium, and a pickup sensor configured to detect a printing medium, in which the movable blade and the pickup sensor are supported on the main body, and with a change of an attachment position of the cutter support, an amount of a remaining portion of the printing medium after being cut by the movable blade changes.

A method and device for cutting materials for manufacturing parts according to which an image of a cutting line is made recurrently downstream from a cutting head. The images produced are analyzed in real time to calculate amplitudes of deviations in the quality of the surface profiles of the cutting line as the part is being cut and comparing the calculated amplitudes to at least one predefined threshold value. The cutting is stopped in the event of the at least one threshold value being exceeded.