Abstract: A housing holding a stator has increased rigidity. A vibration driver drill includes a motor including a stator and a rotor rotatable relative to the stator, a gear case in front of the motor, a gear in the gear case to receive rotation of the rotor, an output shaft protruding frontward from the gear case to receive rotation from the gear, an integral cylindrical housing accommodating the motor and including a front portion with an opening and a rear portion closed, a gear case housing connected to the front portion of the integral cylindrical housing and including a right part and a left part and holding the gear case, and a grip housing extending downward from the gear case housing.

Abstract: A reducer appropriately selects from three or more variable speeds to match multiple operational modes. An impact driver includes a motor, a reducer that reduces rotation from the motor to select from three or more variable speeds, a plurality of actuators to be actuated by the rotation reduced by the reducer, and a switcher that selects, from the plurality of actuators, a specific actuator to be actuated in a predetermined operational mode. The switcher causes the reducer to cooperate with the selected specific actuator and actuates the reducer at a predetermined variable speed of the three of more variable speeds corresponding to the predetermined operational mode of the selected specific actuator.

Abstract: To reduce size increase, a power tool includes a motor, an output shaft located frontward from the motor, rotatable by the motor, and having an insertion hole extending rearward from a front end of the output shaft, a bearing supporting the output shaft in a rotatable manner, a locking member supported by the output shaft and movable to a locking position for locking a tip tool placed in the insertion hole and to an unlocking position for unlocking the tip tool, a bit sleeve surrounding the output shaft, and movable to a movement-restricting position for restricting radially outward movement of the locking member and to a movement-permitting position for permitting radially outward movement of the locking member, and an operable member operable to move the bit sleeve and at least partly overlapping the bearing in an axial direction.

Abstract: An image processing device includes a processor that performs composition processing for generating an image, which simulates a transmission state of a virtual image via a transmission-type display, on the basis of a parameter representing characteristics of a model of the transmission-type display from a first image serving as the basis of the virtual image and a second image indicating a real image.

Abstract: An angle impact tool includes: a brushless motor having a stator and a rotor, which rotates around a first rotational axis relative to the stator; an impact mechanism, which is rotated by the rotor; an output shaft, which is impacted by the impact mechanism and rotates around a second rotational axis; a motor housing, which houses the brushless motor; and one or more battery-mounting parts, on which one or more battery packs is (are respectively) mounted. In a front-rear direction, which is orthogonal to the second rotational axis, the impact mechanism and the output shaft are disposed more forward than the brushless motor. The front-rear direction and the output shaft are orthogonal to each other. The maximum fastening torque of the output shaft is 500 N·m or more and less than 1,000 N·m.

Abstract: An impact wrench includes: a brushless motor comprising a stator and a rotor, which rotates relative to the stator, an impact mechanism, which is rotated by the rotor, an anvil, which is impacted by the impact mechanism; and one or more battery-mounting parts, on which one or more battery packs is (are respectively) mounted. The maximum fastening torque of the anvil is 3,200 N·m or more.

Abstract: A power tool receives a reaction force with an auxiliary handle attached to the power tool. An auxiliary handle attachable to a power tool includes a first arm, a second arm that fastens, together with the first arm, at least a part of the power tool located between the first arm and the second arm, a handle, a grip sensor that detects the handle being gripped with the first arm and the second arm fastening at least the part of the power tool in between, and a signal output unit that outputs, to the power tool, a grip signal indicating that the handle is gripped based on a detection signal from the grip sensor.

Abstract: An impact wrench includes an anvil to which a socket is attachable, a hammer located above the anvil to strike the anvil in a rotation direction, a brushless motor located above the hammer and including a rotor and a stator, a controller that controls rotation of the brushless motor, a case accommodating the hammer, a rod located above the case, a head located above the rod, accommodating the controller, and including a battery mount to which a battery pack is attachable, a forward-reverse switch, and a panel elongated in a lateral direction, and a grip extending from the head in the lateral direction and including a trigger switch.

Abstract: An information processing apparatus including a hardware processor that: acquires output information of a recording medium on which an image is formed by an image forming apparatus and recording medium-related information, and determines, based on the output information and the recording medium-related information that is acquired, information on a recording medium that is recommended for use in the image forming apparatus or information on a recording medium that is not recommended for use in the image forming apparatus.

Abstract: A processor is configured to compare a captured image captured by a camera of a transmissive display device, information representing a position of marking performed on the captured image displayed on another display device, a region of a real space in which a display image is displayable by the transmissive display device, and the position of the marking in the real space, display information representing the position of the marking in the real space, acquire a detection result obtained by detecting a visual line of a user of the transmissive display device, compare the detection result of the visual line with the position in the real space of the marking or information representing the position in the real space of the marking, and change the marking or a display state of the information representing the position of the marking.

Abstract: A power tool includes a reducer that has a small size in an axial direction and is highly durable, although including a transmission mechanism. The power tool includes a motor, a reducer that reduces rotation from the motor, and an actuator to be actuated by the rotation reduced by the reducer. The reducer includes at least two stages of internal gears aligned in an axial direction, a preceding planetary gear and a succeeding planetary gear adjacent to each other in the axial direction to revolve within the internal gears, and at least two stages of carriers aligned in the axial direction. A carrier of the carriers supports the preceding planetary gear and the succeeding planetary gear radially overlapping each other with a single pin.

Abstract: A power tool with a small size in an axial direction includes a reducer allowing smooth and stable switching between variable speeds. The power tool includes a motor, a reducer that reduces rotation from the motor, and an actuator actuated by the rotation reduced by the reducer. The reducer includes a preceding internal gear in a preceding stage, a succeeding internal gear in a succeeding stage, an engagement member radially outward from the internal gears and switchable between a first position to restrict rotation of the preceding internal gear and a second position to restrict rotation of the succeeding internal gear, planetary gears that revolve within the internal gears, carriers supporting the planetary gears, and an operation unit to switch the engagement member selectively to the first position or the second position.

Abstract: A work tool switches smoothly between operational modes and has a lever member that is easily joined. The work tool includes an operation member, a lever member, and a switching member. The lever member is swingable about a support shaft in response to an operation on the operation member and is swingable with the support shaft placed through the lever member. The lever member has an elongated hole through which the support shaft is placed. The elongated hole extends along the lever member. The switching member is linked with a swing of the lever member to move linearly.

Abstract: Provided are a radical polymerization method in which, using a radical polymerization initiator with a low concentration of 1 mmol/L or less, a radical-polymerizable fluorine-based monomer can be radical-polymerized under a low temperature environment of a room temperature range without the need for an emulsifier such as PFOA; and a method for producing a radical-polymerized fluorine-based polymer using the radical polymerization method. The radical polymerization method is a radical polymerization method of radical-polymerizing a radical-polymerizable fluorine-based monomer using a polymerization initiator which generates perfluoroalkyl radicals by thermal decomposition, in which the polymerization initiator includes at least one of perfluoro-3-ethyl-2,2,4-trimethyl-3-pentyl or perfluoro-2,2,4-trimethyl-3-isopropyl-3-pentyl.

Abstract: A screwdriver allows a screwing operation and an unscrewing operation to be performed smoothly. A screwdriver includes a housing, a motor including a stator and a rotor, a spindle, a clutch assembly, and a spindle locking assembly. The spindle includes a rod to which a tip tool is attachable, and is supported by the housing in a manner movable between an advanced position and a retracted position in a front-rear direction. The spindle has a reception hole extending frontward from a rear end face of the spindle. The clutch assembly transmits a rotational force from the rotor to the spindle in response to the spindle moving to the retracted position during forward rotation of the rotor. The spindle locking assembly transmits a rotational force from the rotor to the spindle during reverse rotation of the rotor, and includes the reception hole, and a countershaft placed in the reception hole.

Abstract: An electric vibration driver drill as one example of an electric power tool includes the gear housing, the vibration mechanism and the clutch mechanism each located inside the gear housing, the mode switching ring (vibration switching ring) configured to operate the vibration mechanism and rotatably held to the gear housing, the clutch ring (clutch switching ring) configured to operate the clutch mechanism and rotatably held to the housing, and the respective balls located between the mode switching ring and the clutch ring.

Abstract: A power tool receives a reaction force with an auxiliary handle attached to the power tool. An auxiliary handle attachable to a power tool includes a first arm, a second arm that fastens, together with the first arm, at least a part of the power tool located between the first arm and the second arm, a handle, a grip sensor that detects the handle being gripped with the first arm and the second arm fastening at least the part of the power tool in between, and a signal output unit that outputs, to the power tool, a grip signal indicating that the handle is gripped based on a detection signal from the grip sensor.

Abstract: An image processing device includes a processor that performs composition processing for generating an image, which simulates a transmission state of a virtual image via a transmission-type display, on the basis of a parameter representing characteristics of a model of the transmission-type display from a first image serving as the basis of the virtual image and a second image indicating a real image.

Abstract: The drill includes a motor, a spindle rotatable with a rotational force transmitted from the motor, a clutch assembly that disables transmission of the rotational force to the spindle in response to a rotational load on the spindle reaching a release value and including an elastic member that adjusts the release value, and a change ring switchable from a clutch mode in which the clutch assembly is operable to a nonclutch mode in which the clutch assembly is inoperable in response to the change ring operated in a forward rotation direction. In the clutch mode, the elastic member elastically deforms to reduce the release value in response to the change ring operated in the forward rotation direction, and to increase the release value in response to the change ring operated in a backward rotation direction.

Abstract: To reduce size increase, an impact tool includes a motor, a spindle located frontward from the motor, rotatable by the motor, and having a support hole extending rearward from a front end of the spindle, a hammer supported by the spindle, a ball between the spindle and the hammer, and an anvil received in the support hole and strikable by the hammer in a rotation direction. The anvil has a rear end located rearward from the ball.