Abstract: A printed substrate holding device includes: a base member including a recess portion including: a bottom portion; and a side wall portion provided in the bottom portion; and a printed substrate held in the recess portion and having a rigidity, wherein the side wall portion includes a holding portion holding a first surface of the printed substrate, the bottom portion includes a supporting portion supporting a second surface of the printed substrate, the printed substrate slides on the bottom portion and is inserted between the supporting portion and the holding portion, and is held in the recess portion, and the printed substrate is held in the recess portion while being bent.

Abstract: An electric derailleur motor unit includes a base member, a motor, an output shaft, and a drive train. The motor is mounted to the base member. The motor has a motor shaft rotatable about a first rotational axis. The output shaft is rotatable about a second rotational axis. The drive train is operatively disposed between the motor shaft of the motor and the output shaft. The drive train includes an anti-backdriving device. The anti-backdriving device is configured to transmit rotation of the motor shaft of the motor in both rotational directions about the first rotational axis to the output shaft. The anti-backdriving device is further configured to prevent the output shaft from rotating in both rotational directions about the second rotational axis while the output shaft receives an external rotational torque from outside of the electric derailleur motor unit.

Abstract: A diaphragm device includes: a board including an opening; a step motor including a teeth portion, and rotatable and stoppable at an interval of a predetermined step angle; a transmitting member including a driven teeth portion meshing the teeth portion, and capable of rotating and stopping in response to a drive force of the teeth portion; a drive ring capable of rotating and stopping in response to a drive force of the transmitting member; and a blade capable of stopping at a receding position to recede from the opening or at an aperture position to cover at least a part of the opening, in response to a drive force of the drive ring.

Abstract: A fuser includes a cylindrical heating rotating body including a heat generator and a pressure rotating body including a circumferential face which has contact with the heating rotating body to form a nip portion for fusing, wherein a disk-like outside plate, which is exposed outside, is provided in one end or both ends of the heating rotating body in a rotation axis direction, a disk-like inside plate is provided in an inner circumferential face of the heating rotating body on an inside of the outside plate to have an interval relative to the outside plate, a center vent is provided near a center of the outside plate, an outer edge vent is provided in an outer edge or the neighborhood thereof of the outside plate, and a flow path, which connects the center vent and the outer edge vent, is provided between the outside vent and the inside vent.

Abstract: An electric derailleur motor unit includes a base member, a motor, an output shaft, and a drive train. The motor is mounted to the base member. The motor has a motor shaft rotatable about a first rotational axis. The output shaft is rotatable about a second rotational axis. The drive train is operatively disposed between the motor shaft of the motor and the output shaft. The drive train includes an anti-reverse clutch. The anti-reverse clutch is configured to transmit rotation of the motor shaft of the motor in both rotational directions about the first rotational axis to the output shaft. The anti-reverse clutch is further configured to prevent the output shaft from rotating in both rotational directions about the second rotational axis while the output shaft receives an external rotational torque from outside of the electric derailleur motor unit.

Abstract: A drive mechanism includes: an actuator including a rotor magnetized; a magnetic body, a magnetically attractive force being generated between the magnetic body and the rotor; and a sandwiched member sandwiched between the rotor and the magnetic body. At least one of the magnetic body and the sandwiched member is coupled to the rotor, and the magnetic body and the sandwiched member slidably contact each other.

Abstract: A fuser includes a cylindrical heating rotating body including a heat generator and a pressure rotating body including a circumferential face which has contact with the heating rotating body to form a nip portion for fusing, wherein a disk-like outside plate, which is exposed outside, is provided in one end or both ends of the heating rotating body in a rotation axis direction, a disk-like inside plate is provided in an inner circumferential face of the heating rotating body on an inside of the outside plate to have an interval relative to the outside plate, a center vent is provided near a center of the outside plate, an outer edge vent is provided in an outer edge or the neighborhood thereof of the outside plate, and a flow path, which connects the center vent and the outer edge vent, is provided between the outside vent and the inside vent.

Abstract: An image pickup apparatus includes: an image pickup substrate on which an image pickup device is mounted on an object side; an optical unit having a lens for imaging an object light on the image pickup device; a blade member adjusting an amount of the object light entering into the lens; a drive unit having a motor driving the blade member; and a motor substrate supplying the motor with a drive power. The optical unit is provided in the image pickup substrate. The drive unit is provided in the optical unit so as to be spaced apart from the image pickup substrate. The motor substrate is provided in the drive unit so as to face the image pickup substrate. The conductive member electrically connecting the image pickup substrate with the motor substrate is disposed between the image pickup substrate and the motor substrate.

Abstract: A diaphragm device includes: a board including an opening; a step motor including a teeth portion, and rotatable and stoppable at an interval of a predetermined step angle; a transmitting member including a driven teeth portion meshing the teeth portion, and capable of rotating and stopping in response to a drive force of the teeth portion; a drive ring capable of rotating and stopping in response to a drive force of the transmitting member; and a blade capable of stopping at a receding position to recede from the opening or at an aperture position to cover at least a part of the opening, in response to a drive force of the drive ring.

Abstract: A lens drive device includes: a lens holder holding a lens; a drive source including a rotor rotatably supported; a gear rotated by a rotation of the rotor; and a driven gear rotated by the gear. The lens holder is moved in an optical axis direction by a rotation of the driven gear. The driven gear includes a teeth portion. The teeth portion includes: a meshed portion meshing the gear; and a non-meshed portion abutting the gear to stop the rotations of the gear and the driven gear.

Abstract: A speed reducing mechanism includes: a driven member; and a decelerating member transmitting a drive force from an actuator to the driven member. The driven member includes an engagement pin. The decelerating member includes: a teeth portion engaging a rotor pinion portion serving as the drive force from the actuator; and a cam slot engaging the engagement pin. The decelerating member is rotatably supported and is formed into a sheet shape thinner than a face width of the rotor pinion portion.

Abstract: A sheet feeding tray includes a frame member, and freely upwardly swingable plural bottom plates arranged on the frame member side by side perpendicular to a sheet feeding direction. The bottom plates cooperatively support a stack of envelope recording mediums. A lifting device having plural curvature sections is provided. The plural curvature sections are respectively arranged below the bottom plates to scuff and lift the lower surface of the plural bottom plates at a section downstream of the sheet feeding direction. The plural curvature sections each include a different outline in accordance with a difference of a decreasing amount of a thickness of the stack during sheet feeding. The different outlines enable the topmost surface of the stack to be almost horizontal.

Abstract: A gear mechanism includes a pair of gears including first and second gears overlapped with each other in an axial direction. The first and second gears include first and second tooth portions, respectively. The first tooth portion slightly projects outwardly from the second tooth portion. The first gear is formed with a deformation facilitating portion for facilitating deformation of the first gear in a radial direction.

Abstract: A blade drive device includes a shutter unit. The shutter unit includes: a blade swingably supported; and a plurality of boards defining a blade chamber, each having an opening opened and closed by the blade, and an actuator serving as a drive force of the blade and including a rotor having a rotary shaft. The rotary shaft penetrates to the blade chamber. An elastic member is housed in the blade chamber, and urges the rotary shaft in a thrust direction.

Abstract: A drive mechanism includes: an actuator including a rotor magnetized; a magnetic body, a magnetically attractive force being generated between the magnetic body and the rotor; and a sandwiched member sandwiched between the rotor and the magnetic body. At least one of the magnetic body and the sandwiched member is coupled to the rotor, and the magnetic body and the sandwiched member slidably contact each other.

Abstract: A vane driving device includes: a board having an opening; a blade changing an area of the opening, having a cam slot, and being elastically deformable; and a drive member transmitting a drive force from a drive source to the blade, and having a drive pin engaging the cam slot. The drive member is stopped by contacting the drive pin with at least one of end portions of the cam slot, when the blade is located in a fully opened state or in a small aperture state.

Abstract: A vane driving device includes: two boards each having an opening and defining a blade chamber therebetween; a blade changing an area of the opening and housed in the blade chamber; a drive source for driving the blade, the drive source including: a coil winded around a stator and exciting a stator; a rotor rotatably supported by a rotary shaft, rotatable in conjunction with the rotary shaft, and magnetized to have different polarities in a circumferential direction; and a rotor pinion meshing a driven member, and integrally formed in the rotary shaft; and a printed substrate electrically connected to the coil. The two boards define a drive source chamber housing the drive source therebetween. At least one of the two boards has an opening for escaping the coil outwardly from the drive source chamber. The printed substrate is arranged on a outer wall surface opposite to the drive source chamber.

Abstract: A lens drive apparatus includes: a base member; a holder having a cylindrical shape and movably supported in an optical axis direction relative to the base member; a cam member and moving the holder in the optical axis direction by abutting with the holder; and a biasing member urging the holder such that the holder 40 comes into contact with the cam member 50. The holder is formed such that a lens frame holding a lens is inserted and assembled into the holder from one side of the holder to another side of the holder. The cam member is disposed close to the one side with respect to the holder.

Abstract: A speed reducing mechanism includes: a driven member; and a decelerating member transmitting a drive force from an actuator to the driven member. The driven member includes an engagement pin. The decelerating member includes: a teeth portion engaging a rotor pinion portion serving as the drive force from the actuator; and a cam slot engaging the engagement pin. The decelerating member is rotatably supported and is formed into a sheet shape thinner than a face width of the rotor pinion portion.