The invention relates to a loading method for a machine tool (12), especially for a bending machine, having a tool-transfer device (1), a tool holder (17) of the machine tool (12), and a tool rack (13), wherein the tool holder (17) and the tool rack (13) are connected via a guide rail (4), and the tool-transfer device (1) has a magnetic retaining device (5). The tool-transfer device (1) is moved to a machining tool (18), which is arranged in a pick-up position (20) in a tool holder (17) or in a tool rack (13). The machining tool (18) is picked up and retained by means of a magnetic retaining device (5) of the tool-transfer device (1) and moved along the guide track (4) to a deposition position (21). There the machining tool (18) is deposited by deactivation of the magnetic retaining force (22). The magnetic retaining device (5) has an electromagnet (6) having an electronic activating device (7) wherein, upon deactivation of the magnetic retaining force (22), a demagnetization is performed by the activating device (7).

The present invention relates to a holding magnetizer, which can: maintain a strong magnetic force even if away from the tip of a driver bit, regardless of the length of the bit, when mounted on the bit so as to perform screw work; reduce or remove magnetic force when the magnetic force needs to be weakened in accordance with work circumstances; use a screw holding ability so as to prevent a screw from being separated from the bit and being lost; and remove iron powder, generated by screw abrasion during work, when the iron power is attached to the tip of the driver bit.

The present disclosure relates to the field of decor items, and more particularly relates to a pendulum unit and a wave pendulum assembly based on the pendulum unit, wherein the wave pendulum assembly comprises a frame and a plurality of first magnetic bodies, respective first magnetic bodies being connected to the frame via strings and being hung in the air; second magnetic bodies, the amount of which is identical to that of the first magnetic bodies, the second magnetic bodies being fixedly disposed below the first magnetic bodies in a one-to-one correspondence; in the first magnetic bodies and the second magnetic bodies, at least one party may generate magnetism when being energized, such that at least one of the first magnetic body and the second magnetic body may generate magnetism when being energized, such that the first magnetic body may swing periodically in the air under a magnetic action between the first magnetic body and the second magnetic body.. The wave pendulum assembly provided by the present disclosure has beneficial effects such as a simple structure, a good reliability, and an appeal for viewing.

An electrically driven fastener structure includes a body, a fastening unit and a wire. The body has a first assembly portion. The fastening unit has a second assembly portion corresponding to the first assembly portion. The wire is adapted to pass a current and to pass through the first assembly portion or the second portion to form a magnetic switch using the first assembly portion or the second assembly portion, so as to drive the magnetic switch based on on or off or strong or weak of the current, or to drive the magnetic switch based on on or off or strong or weak of a magnetic force.

A switch apparatus includes a base module including a base case; a manipulation module including a manipulation case, and a grip mounted on an external circumferential surface of the manipulation case; a magnetic mechanism including a base-side magnetic unit provided to the base module, and a manipulation-side magnetic unit provided to the manipulation module; and a grip force sensing unit provided between the manipulation case and the grip, wherein the grip force sensing unit detects whether a grip force applied to the grip is greater than or equal to a predetermined threshold, and the magnetic mechanism is configured to vary a magnetic force generated between the base-side magnetic unit and the manipulation-side magnetic unit in accordance with a magnitude of the grip force detected by the grip force sensing unit.

The operating device (10,10′) intended to be installed in a vehicle is provided with a housing (12) and an operating element (14,14′) which is movably mounted in and/or on the housing (12) and can be manually transferred from a rest position to a function-triggering position. Furthermore, the operating device (10, 10′) is provided with a switch (22) which is adapted to be actuated by the operating element (14, 14′) when it is manually transferred to the function-triggering position, a holding-force generation unit (26, 26′) for generating a holding force with which the operating element (14, 14′) is held in its rest position, and a control unit (32) for electrically controlling the holding-force generation unit for the purpose of setting the holding force.

A payload-bus kinematic interface system includes one or more kinematic devices. Each kinematic device includes a first contacting surface and a second contacting surface. The first contacting surface kinematically interfaces with the second contacting surface, passing loads or forces to the second contacting surface.

A permanent electromagnetic holder is provided with: a first magnet; a second magnet; and a coil, the first magnet being configured such that magnetic pole surfaces of different magnetic poles are oriented in a thrust direction of an axial center orthogonal to the attracting surface, the second magnet being configured such that magnetic pole surfaces of different magnetic poles are oriented in the thrust direction of the axial center and being disposed outside the first magnet, the coil being disposed between the first magnet and the second magnet, the first magnet, the second magnet, and the coil being arranged so as to overlap in the radial direction of the axial center, and an operation of switching an attraction ON/OFF state being carried out by switching a magnetizing direction of the first magnet through instantaneous energization of the coil when the attraction ON/OFF state is switched.

A switchable permanent magnetic unit is disclosed. The unit comprises: a housing, first and second permanent magnets, and a conductive coil. The first magnet is mounted within the housing and the second magnet is rotatable between first and second positions and mounted within the housing in a stacked relationship with the first magnet. The unit generates a first level of magnetic flux at a workpiece contact interface when the second magnet is in the first position and a second level of magnetic flux at the interface when the second magnet is in the second position, the second level being greater than the first level. The conductive coil is arranged about the second magnet and generates a magnetic field. A component of the conductive coil's magnetic field is directed from S to N along the second magnet's N-S pole pair when the second magnet is in the first position.

An electromagnet for a thermography system comprising a first elongated magnetic core spaced apart from a second elongated magnetic core; at least a first shorting bar connecting substantially at a first end of the first elongated magnetic core and a first end of the second elongated magnetic core; and at least a first excitation coil configured to conduct electrical current.