Abstract: Moving a mover for mirror surface angle detection following a nut member along a male thread member in such a manner that the mover is rotatable relative to the nut member and is non-rotatable relative to the male thread member, without biasing the mover by means of a spring. A communication hole is provided in a male thread member along a shaft axis of the male thread member. A mover is inserted through the communication hole so as to be movable in an axial direction. A front end of the mover is connected to a position in a back of a front end of a nut member so as to be rotatable relative to the nut member around the axis of the nut member. A position detection device detects a position of the mover relative to a base member in a direction along the male thread member.

Abstract: An image forming apparatus includes a plurality of optical scanning devices, a mode receiver, a temperature condition judger and a temperature adjuster. In the case of forming an image using one optical scanning device, the temperature adjuster drives motors of unused optical scanning devices at a first rotation speed if a predetermined temperature condition is satisfied and drives the motors of the unused optical scanning devices at a second rotation speed slower than the first rotation speed if image formation is finished during the drive at the first rotation speed.

Abstract: An image forming apparatus includes a plurality of optical scanning devices, a job receiver, a job executor, an image discriminator, a temperature condition judger and a temperature adjuster. When a formation-target image is a single-color image and an image to be formed next is a multi-color image, the temperature adjuster drives a motor of one optical scanning device at a second rotating speed slower than a rotating speed during an image forming operation and drives motors of unused optical scanning devices at a third rotating speed faster than the second rotating speed if a temperature condition is satisfied upon the completion of an image forming operation of the single-color image.

Abstract: In a vehicle door mirror including a motor and an adjuster assembly driven by the motor for moving a mirror glass connected with the adjuster assembly, a method for controlling delivery of power to the motor is described. The method can include detecting a voltage being supplied by a vehicle battery of the vehicle that includes the vehicle door mirror, and controlling delivery of power to the motor based on the detected voltage. A memory mirror system is also disclosed.

Abstract: A truck mirror positioning device for adjusting the position of a rear-view truck mirror includes a mounting bracket adapted to be attached to a truck external to the truck driver's cabin. A pivotal support means is provided mechanically coupled to the mounting bracket for substantially supporting the weight of the truck mirror. An electric motor is mounted on the mounting bracket for moving the mirror, and a gearbox is mechanically coupled to the motor and adapted to be mechanically coupled to the truck mirror so as to adjust the plane in which the mirror lies wherein, in use, an operator can adjust the angle of the mirror by activating the electric motor.

Abstract: The invention is a vehicular mirror assembly for a rectangular shaped mirror typically found on industrial trucks, earthmovers, and dump trucks. The mirror is placed in a holder with two or more pillow block bearings secured on the back of the holder. A circular rod, creating a first axis, extends longitudinally through the pillow block bearings and is swivelly secured to a mounting bracket thereby forming a second axis. A remotely controlled ram is secured to the mounting bracket and proximate to the edge of the holder allowing operator control of the left/right motion around the second axis; a second remotely controlled ram is swivelly secured to the circular rod for up/down adjustment by the operator for movement of the second axis.

Abstract: An exterior mirror assembly for a vehicle includes a mounting portion mountable at a side of a vehicle, a mirror head portion at the mounting portion, and an actuator. The mirror head portion includes a mirror casing and a reflective element at least partially housed at the mirror casing. The actuator is operable to impart pivotal movement of the reflective element mirror relative to the mirror casing to adjust a rearward field of view of a driver of the vehicle. The actuator includes a drive post that is pivotally attached at the reflective element. The actuator also includes a motor that rotatably drives a clutch device to adjust the drive post to adjust the reflective element relative to the mirror casing. The clutch device allows for manual adjustment of the reflective element and the drive post in a non-ratcheting manner.

Abstract: An exterior mirror arrangement for motor vehicles, in particular utility vehicles, has s a holder mounted on a vehicle, a housing which is fastened, preferably latchably articulatedly connected, to the holder, and a holding member, which is displaceably received in the housing, for a vehicle exterior mirror. The housing has a housing portion which is formed in one piece from plastic and which alone guides the holding member.

Abstract: An adjustable mirror mechanism includes a first connection section, a mirror lens carrier or support having a second connection section receiving and/or engaging the first connection section, and a mirror housing having a third connection section receiving and/or engaging the second connection section of the mirror lens carrier. The first connection section and/or the mirror lens carrier are fastened and/or secured to the mirror housing, and the mirror lens carrier is configured to receive a mirror lens. In some embodiments, the mirror lens carrier engages the rim of the mirror housing for added stability on one or more sides.

Abstract: Disclosed is a light-collecting heliostat using flat mirrors of enhanced light-collecting efficiency. The gradients of low-price flat mirrors are adjusted when reflecting sunlight by the heliostat equipped with the flat mirrors, thereby causing reflection focal areas having the same size as each of the mirrors to overlap, in the same number as the number of the reflective plates constituting the heliostat, on a heat collecting unit of collecting lights, so that a high temperature light-collecting focal area with a uniform temperature distribution is obtained.

Abstract: A partition wall for partitioning a mirror accommodating space for accommodating a mirror holder and a mirror surface angle adjusting unit, and a harness accommodating space for accommodating a harness are provided in a mirror housing of an electric door mirror. An opening for exposing the terminal part of the mirror surface angle adjusting unit to the harness accommodating space, and insertion through-holes located to surround the opening and through which screws passes from the harness accommodating space toward the mirror surface angle adjusting unit respectively are formed in the partition wall. Further, reinforcing tube portions surrounding the insertion through-holes and protruding to the harness accommodating space are installed in the partition wall.

Abstract: An adjustment assembly for adjusting the reflecting surface of a glass assembly in an external rearview vehicle mirror, where two linear adjusting motors act on two points of the glass assembly, where the adjusting motors are positioned between the glass assembly and a mirror carrier in the mirror head. The adjusting motors are connected to the glass assembly and/or the mirror carrier via at least one elastomeric connecting piece.

Abstract: A mirror housing of an electric door mirror is provided with a partition wall for partitioning a mirror accommodating space and a harness accommodating space. The partition wall is provided with an opening portion for exposing a terminal portion of a mirror surface angle adjusting unit to the harness accommodating space. A peripheral edge portion of the opening portion is provided with a claw portion elastically deformed when a connector portion is pushed to the terminal portion and elastically recovered to be opposed to a back face of the connector portion to thereby prevent detachment of the connector portion after connecting the connector portion to the terminal portion. Further, a peripheral edge portion of the opening portion is provided with a guide portion for restricting a movement of the connector portion against an elastic force of the claw portion.

Abstract: A mirror ball adapted to engage the socket of a ceiling mounted electric light fixture in order to be suspended and powered therefrom. A tubular stem having a proximal portion threaded in the manner of an Edision screw is provided extending downward from the fixture to a lower base. A lightweight mirrored sphere or globe having a void through its (vertical) polar axis is rotatably engaged on the stem and retained in place by the lower base which houses power systems, a controller and a motor engaged to an annular gear at the lower pole of the mirrored sphere in order to slowly rotate the globe. A power supply is used to reduce line voltage to 12 v DC to drive the motor and operate one or more LED lighting elements directed at the mirrored surface and mounted at the ends of one or more arms radiating from the lower housing.

Abstract: A system of a side mirror of a vehicle includes: a driving motor which is driven by input electric power and supplies a driving force for rotating the side mirror from a folding position to an unfolding position or rotating the side mirror from the unfolding position to the folding position; a switch selecting unfolding or folding of the side mirror; an electric power source supplying electric power to the driving motor; and a mirror driving unit supplying electric power to the driving motor from the electric power source according to a signal of the switch, and performing a blocking cancellation operation of reversing a rotation direction of the side mirror.

Abstract: Exemplary methods and systems for applying a correction to an initiated signal are disclosed. In some examples the correction may be a compensation for dispersion present, e.g., in an optical signal. An exemplary method may include receiving an initiated signal, and forming a curved surface with a first array of discrete elements. The exemplary method may further include impinging the initiated signal upon the curved surface, thereby applying a correction to the initiated signal determined at least in part by the curved surface.

Abstract: The power and response curves of one or more beams or primaries of beams of a laser projection system illuminating an image on a viewing surface are controlled to desired characteristics during exhibition by monitoring the scanning beams in real time by using at least part of the horizontal blanking time during the scanning of a motion or still image to project a test pattern with one or more of the beams onto a sensor or sensors. The system and method permits real-time balancing and maintenance of the response curves and power levels of each of the beams, and of primary beams of combined beams, to desired targets so as to produce a display field without artifacts and at desired brightness on the viewing surface.

Abstract: A drive unit for a mirror adjustment mechanism includes a housing and a drive motor mounted in the housing for driving a drive train. In an embodiment, the drive train comprises a planetary gear system. The drive train may include a coupling to the housing and, in an embodiment, the coupling may comprise a ratchet coupling. Further, in an embodiment, the housing and the drive train may be provided with a ratchet element.

Abstract: An exterior mirror for mounting on a vehicle with a mirror base and a mirror head attached to the mirror base is suggested, whereby the mirroring element is rigidly connected to the housing of the mirror head. The mirror head and mirror base are rotatably connected to one another by means of a ball joint. The adjustment of the mirroring element is done by two bars, of which the length can be adjusted by actuators, which bars are arranged between the mirror head and mirror base.

Abstract: The invention relates to an adjustment instrument for an exterior mirror unit for a vehicle. The adjustment instrument comprises a housing which is pivotably adjustable between a park position, a drive position and a fold-over position with respect to a base. The adjustment instrument further comprises an electrical drive unit provided in the housing, and a drive ring for coupling with the electrical drive unit.

Abstract: An exterior sideview mirror assembly includes a mirror housing and a mirror backing plate element that is movable within the mirror housing by an electrically-operable actuator. A main plano mirror element is fixedly disposed at a first portion of the mirror backing plate element and an auxiliary non-plano curved mirror element is fixedly disposed at a second portion of the mirror backing plate element. The main plano mirror element and the auxiliary non-plano curved mirror element are adjacently disposed at the mirror backing plate element and are not superimposed with one mirror element on top of the other mirror element. The first primary field of view of the main plano mirror element may overlap the second auxiliary field of view of the auxiliary non-plano curved mirror element by between about 2 degrees and about 20 degrees.

Abstract: There is provided a vehicle mirror apparatus including: a mirror provided to a vehicle; a worm gear rotated by driving force from a base end side of the worm gear; a wheel gear engaged with the worm gear, the wheel gear adjusting a mirror-face angle of the mirror by being rotated due to the worm gear rotating; and a radial direction stopper portion that stops radial direction displacement of the worm gear towards the wheel gear radial direction outside by the leading end side of the worm gear making contact with the radial direction stopper portion.

Abstract: A hinge construction for a wing mirror unit for a motor vehicle is proposed that comprises a first hinge part for mounting on the motor vehicle and a second hinge part, pivotably connected therewith via a shaft. The second hinge part supports a mirror frame of the wing mirror unit, wherein the shaft is connected with one hinge part and wherein the other hinge part is arranged pivotably about the shaft. The mirror frame has a location guide that corresponds with a location rib of a power fold module that is inserted into the frame.

Abstract: A vehicular integrated mirror system is provided that is supported on a vehicle body that includes a door, and has an outside mirror disposed outside a vehicle compartment and an interior mirror disposed within the vehicle compartment at a position in the proximity of the outside mirror so that, in cooperation with the outside mirror, a vehicle rear field of vision is obtained, wherein a mirror holder retaining the outside mirror and the inside mirror is swingably supported on mirror support means mounted on the vehicle body in order to change the reflection angle of the two mirror relative to a vehicle driver, and the reflection angle of the outside mirror and the inside mirror is changed by remote drive means that makes the mirror holder swing by remote operation. This enables the reflection angle of the outside mirror and the inside mirror to be remotely controlled.

Abstract: A rearview assembly for a vehicle includes a housing. A carrier is operably connected with the housing and supports a display. A circuit board is disposed in the housing. A sensing system is disposed proximate the display and is connected with the circuit board. A switching assembly is operably connected with the circuit board. Actuation of the switching assembly when the sensing system has been activated enables a function of the rearview assembly.

Abstract: An exterior rearview mirror assembly for a vehicle includes a mounting portion mountable at a side of a vehicle, a mirror head portion adjustably mounted at the mounting portion, and a reflective element at the mirror head portion. An actuator is operable to impart pivotal movement of the mirror head portion relative to the mounting portion and about a generally vertical pivot axis to pivotally adjust the mirror head portion relative to the side of the vehicle at which the mounting portion is mounted. The actuator comprises at least two motors and the motors are operable in tandem to cooperatively rotatably drive a common gear of a gear system to pivot the mirror head portion relative to the mounting portion.

Abstract: The present invention provides a rear under view mirror system for vehicles. The rear under view mirror system includes a rear under view mirror unit having a semitransparent glass and an electrically switchable glass. When a vehicle moves forwards, the rear under view mirror unit does not protrude rearwards relative to a vehicle body and overlaps a rear windshield glass, thus providing a good appearance and preventing resistance to airflow, without hindering a driver from seeing the area behind the vehicle through the rear windshield glass. The rear under view mirror unit has a large area corresponding to that of the rear windshield glass, thus providing a sufficient view of the low area to the rear of the vehicle.

Abstract: A vehicle mirror apparatus comprising a mirror provided at a vehicle; a pivoting member holding the mirror; a sliding part provided at the pivoting member; a holding member pivotably holding the pivoting member, whereby an angle of a mirror surface of the mirror is adjusted; and a pivoting surface provided at the holding member. The sliding part is made slidable on the pivoting surface while a gap is provided between an edge of the holding member at a side of the pivoting member and the pivoting member in a pivoting radial direction of the pivoting member.

Abstract: A partition wall for partitioning a mirror accommodating space for accommodating a mirror holder and a mirror surface angle adjusting unit, and a harness accommodating space for accommodating a harness are provided in a mirror housing of an electric door mirror. An opening for exposing the terminal part of the mirror surface angle adjusting unit to the harness accommodating space, and insertion through-holes located to surround the opening and through which screws passes from the harness accommodating space toward the mirror surface angle adjusting unit respectively are formed in the partition wall. Further, reinforcing tube portions surrounding the insertion through-holes and protruding to the harness accommodating space are installed in the partition wall.

Abstract: A door mirror includes a mirror housing incorporated with a mirror holder fixed with a mirror, and a mirror surface angle adjusting unit for adjusting an angle of the mirror holder. The mirror housing is provided with a partition wall for partitioning an inner space of the mirror housing to a first space on a front side and a second space on a rear side, and the mirror holder and the mirror surface angle adjusting unit are accommodated in the second space. The partition wall is formed with an insertion hole for inserting a fastening component from a side of the first space, and the mirror surface angle adjusting unit is provided with a fixing hole for fastening the fastening component inserted into the insertion hole.

Abstract: An external rear view mirror assembly to be fitted to a motor vehicle is disclosed. The assembly comprises: a mirror base mountable to a vehicle; a mirror head frame rotatably mounted to the base for rotation about a mirror head axis; a detent operably interposed between the base and the frame; a spring acting between the frame and the base in a direction parallel to the axis, the spring for holding the detent engaged; and a power fold mechanism operably interposed between the base and the frame, the power fold mechanism having a drive train and a clutch mechanism, the clutch mechanism comprising a pair of axially spaced apart clutching faces, connecting the drive train to the base when the drive train is driving, the clutch mechanism arranged and constructed such that forces are not transmitted from the frame to the drive train when the drive train is not driving.

Abstract: When a mirror charge lever is driven to a mirror-up position, the mirror charge lever is engaged with a first cam portion and driven to the mirror-up position in a region in which a force of a mirror-up spring for urging the mirror charge lever to the mirror-up position is larger than a force of a mirror-down spring for urging the mirror charge lever to the mirror-down position. In a region in which the force of the mirror-down spring for urging the mirror charge lever to the mirror-down position is equal to or larger than the force of the mirror-up spring for urging the mirror charge lever to the mirror-up position, the mirror charge lever is engaged with the second cam portion and driven to the mirror-up position.

Abstract: A vehicle outside mirror device according to the present invention is provided with a base 2, a shaft 3, a spring 10, a mirror assembly 4, and a washer 6. An annular line contact portion 50 is provided on an abutment face 35 of the washer 6 that abuts against an abutment face 33 of a mount portion 12 of the mirror assembly 4. As a result, the vehicle outside mirror device according to the present invention can prevent generation of abnormal noise further reliably and a further long period of time by means of the annular line contact portion 50. In addition, an abutment plane 301 of a rotation stop portion is provided at a shaft 3. A linear edge 601 of the rotation stop portion is provided at the washer 6.

Abstract: An automobile side mirror includes a reflective portion having a front mirror that is incompletely silvered and a rear mirror angularly offset from the front mirror, the rear mirror being fixed relative to the front mirror. The mirror includes a bracket hingedly coupled to the reflective portion and a solenoid hingedly coupled to the reflective portion to selectively move the reflective portion from a first configuration to a second configuration. The mirror includes a return element to return the reflective portion from the second configuration to the first configuration. A light sensor is positioned to detect an amount of light directed toward the reflective portion. A processor is in communication with the light sensor and in communication with the solenoid, the processor including programming to actuate the solenoid upon detection of a predetermined amount of light directed at the light sensor.

Abstract: Then invention is related to a rear view mirror attached to a vehicle comprising a mirror housing. The reflective element is fixed in relation to the mirror housing and the mirror housing is movable versus the vehicle by separately extendable elements.

Abstract: A system of a side mirror of a vehicle includes: a driving motor which is driven by input electric power and supplies a driving force for rotating the side mirror from a folding position to an unfolding position or rotating the side mirror from the unfolding position to the folding position; a switch selecting unfolding or folding of the side mirror; an electric power source supplying electric power to the driving motor; and a mirror driving unit supplying electric power to the driving motor from the electric power source according to a signal of the switch, and performing a blocking cancellation operation of reversing a rotation direction of the side mirror.

Abstract: When a mirror angle is automatically displaced toward a target position, if the movement is mechanically locked before reaching the target position, power supply to a motor can promptly be halt, and in the case of a low temperature and a low voltage where the operating speed is slow, the mirror angle can also reach the target position. If time during which no change in the mirror angle is detected after the start of power supply exceeds a long-term determination period, the power supply to the motor is halted.

Abstract: The present invention has: a first worm gear 29 that is rotatably borne on a gear case 11 and a bearing member 16, the first worm gear being coupled to an output shaft 24 of a motor 13; and a helical gear that is geared with the first worn gear 29. In the gear case 11 and the first worm gear 16, an engagement recessed portion 42 and an engagement protrusive portion 43 configured to engage with each other are provided. At the engagement protrusive portion 43 of the bearing member 16, a first press-in fixing protrusive portion 44 configured to be pressed-in and fixed to an engagement recessed portion 42 of the gear case 11 is provided. As a result, according to the present invention, a rotational center O1 of the first worm gear 29 is positioned at the normal rotational center.

Abstract: Motor bodies are housed between a case and a case-inner, with the whole of the outside-periphery surrounded by an outer peripheral wall. The upper-side-outer-peripheral face of the outer-peripheral wall slopes continuously downwards on progression from an uppermost portion of the outer-peripheral face towards a vehicle right side edge of the outer-peripheral face, and slopes continuously downwards from the uppermost portion towards the vehicle left side edge of the outer-peripheral face. Accordingly, even suppose water is to reach the upper side of the upper-side-outer-peripheral face, the upper-side-outer peripheral face of the outer-peripheral wall causes such water to always flow downwards towards the lower side of the outer-peripheral wall, and hence water can be suppressed or prevented from remaining standing on the upper-side-outer peripheral face of the outer-peripheral wall 46, enabling water to be suppressed or prevented from seeping in to the motor bodies.

Abstract: A switch section includes a common terminal connected to a terminal at one end of each of a pair of motors, a first terminal connected to a terminal at the other end of one of the motors and a second terminal connected to a terminal at the other end of the other of the motors, and three-contact switches each including one common contact and two switching contacts. In the switch section two switches corresponding to one direction selected from the up and down directions form a switch group, at least one switch corresponding to the other direction selected from the up and down directions is provided, two switches corresponding to one direction selected from the left and right directions form a switch group, and at least one switch corresponding to the other direction selected from the left and right directions is provided.

Abstract: A drive for a component to be adjusted, in particular for an adjustable automotive vehicle mirror, having a housing which can be mounted on a stationary structure and has a central axis for receiving drive elements, and having an element which encompasses the housing at least partially and is connected to a carrier for the component. The encompassing element with the carrier is disposed pivotably relative to the housing. About the central axis, a pin-like sleeve for guiding through a mounting element is disposed in the housing and has a plate spring-like projection for support on the base of the housing. The plate spring-like projection forms a means for uniform distribution of the tension force caused by the mounting element for mounting on the stationary structure.

Abstract: An exterior sideview mirror system includes an exterior sideview mirror assembly including a plano-auxiliary reflective element having a rearward field of view when attached to a side of an automobile. The plano reflective element and the auxiliary reflective element are mounted adjacently at the reflective element assembly in a side-by-side relationship and not superimposed. The plano reflective element and the auxiliary reflective element are supported at a backing plate element. The rearward field of view of the auxiliary reflective element may be different from and angled to the rearward field of view of the plano reflective element. The plano reflective element and/or the auxiliary reflective element may have one of (a) a glass substrate having a surface coated with a metallic reflector coating and (b) a polymeric substrate having a thin glass element applied to a surface thereof and with an opposing surface thereof having a reflecting layer applied thereto.

Abstract: A device to adjust the orientation of a mirror of a motorcar includes a body to accommodate a first and a second electric motor and a first and a second gear driven by first and second motor respectively. Gear rods are formed as circular arc sections and the body accommodates means to resiliently press the first and second gear rod against the first and second gears, respectively, eliminating relative movement between the gearing of the gear rods and the gears in operation conditions. Each of the gears include a safety clutch, allowing the gears to slip in overload conditions.

Abstract: In a vehicle door mirror including a motor and an adjuster assembly driven by the motor for moving a mirror glass connected with the adjuster assembly, a method for controlling delivery of power to the motor is described. The method can include detecting a voltage being supplied by a vehicle battery of the vehicle that includes the vehicle door mirror, and controlling delivery of power to the motor based on the detected voltage. A memory mirror system is also disclosed.

Abstract: In a shaft structure of a retractable outer mirror, a shaft includes: a first member; and a second member. The first member includes: a base section having an attachment boss; a shaft section vertically arranged on the base section; and a catch part by which a catch member is caught. The second member includes: clutch parts that performs an engagement or a release of the engagement in response to rotation of a frame; and an insert portion inserted into a shaft section. The second member is fitted in with the shaft section from above a top end side of the shaft section.

Abstract: An optical apparatus includes a catoptric element that causes incoming light traveling from an object in a direction of a first optical axis to be refracted in a direction of a second optical axis, a motor that drives an optical member provided on the second optical axis, and a stereo microphone including a left-channel microphone and a right-channel microphone that are provided on a side of the optical apparatus opposite the motor with respect to the second optical axis when seen from an object side and arranged in a direction substantially parallel to the second optical axis.

Abstract: A method for adjusting a mirror. The method includes using a time-of-flight (TOF) camera to capture an image of a scene in front of a reflecting portion of the mirror and obtaining data about distances between a number of points in the scene and the TOF camera. Building a three dimension (3D) model of the scene. Analyzing the 3D model to locate a face region in the 3D model. Obtaining a first midline between a reference eyeline in the face region and a top of the face region. Obtaining a second midline of the 3D model, comparing the first and second midlines to determine whether the two midlines overlap. Output a comparison signal upon the condition that the two midlines do not overlap; and directing a driving apparatus to move the mirror to adjust a height of the mirror according to the comparison signal.

Abstract: A mirror control device includes a pivotally supported mirror (230), electrodes (340a-340d) spaced apart from the mirror (230), a driving voltage generation means (401) for generating a driving voltage corresponding to the desired tilt angle of the mirror (230) for each electrode, a bias voltage generation means (402) for generating, as a bias voltage for each electrode, a voltage which causes the tilt angle of the mirror (230) to have the same predetermined value upon being independently applied to each of the electrodes (340a-340d), and an electrode voltage applying means (403) for adding, for each electrode, the bias voltage to the driving voltage and applying the voltage after addition to a corresponding one of the electrodes (340a-340d).

Abstract: In an optical switch controller, in order that residual vibration at movement control of a movable body such as a tilt mirror can be reduced and controlled with high accuracy, a processing unit outputs a driving signal for controlling the angle of the tilt mirror, the driving signal is D/A converted by a D/A converter and then is changed to a high-voltage signal by a high-voltage amplifier to be supplied to the tilt mirror, the electrostatic capacity of the tilt mirror changes corresponding to angle change of the tilt mirror, a mirror-angle detecting unit detects the electrostatic capacity and feeds back it as a correction value to a processing unit, and the processing unit corrects the driving signal using a correction value obtained when the angle of the tilt mirror is actually changed.

Abstract: A mirror drive apparatus includes: a movable unit including a mirror used to switch an optical path in an imaging apparatus; and a drive mechanism that switches the attitude of the movable unit from a first attitude to a second attitude by relatively moving a specific member along a predetermined section defined by an edge of the movable unit from a start point to an end point of the predetermined section, wherein the movable unit includes a protrusion that protrudes from an extension line toward the specific member, the extension line obtained by extending the predetermined section beyond the end point.