Abstract: A sunroof motor having a roof lid position detector which comprises a motor part, a roof lid detective disc to be turned as much as an angle in proportion to an amount of movement of a roof lid driven by the motor part, a contact plate having contacts and disposed on the roof lid detective disc, a printed wiring board mounted with a relay to supply or shut off the electric power to the motor part and formed with a motor driving circuit which is provided with board-side contacts to be in contact electrically with the contacts of the contact plate for detecting the roof lid to arrive at the full-opened position, full-closed position and so on, for example.

Abstract: A power seat apparatus which comprises motors for moving a seat in respective direction, relays for changing rotational directions of the respective motors, a preset memory for memorizing a seat position suitable for respective drivers, a memory drive circuit for driving the motors so as to move the seat into the memorized position automatically according to data memorized in the preset memory, a manual drive circuit for driving the motors according to an operation of a manual switch and a control mechanism. The control mechanism detects the contact fault in the relays, or controls the motors accurately by counting the number of inertial rotations as a proper directional rotation without misjudgement even if the manual switch is operated in the reverse direction when the motors are driven automatically in one direction.

Abstract: A thrust bearing device for a motor comprises a housing of the motor, a thrust plate disposed in the housing and in contact with an end of a motor shaft, a spring for energizing the motor shaft through the thrust plate, and the housing is formed with a stepped portion for restricting movement of the thrust plate within a predetermined small range. According to this invention, it is possible to improve the durability and the reliability of the motor.

Abstract: An automatic positioning apparatus which comprises motors for actuating a vehicle mounted device, sensors for detecting position of the vehicle mounted device such as a seat, steering wheel or the like, and a control means which memorizes the position of the vehicle mounted device and drives it into the memorized position automatically and which sets a motor-suspensive zone, a renewal-prohibitive zone and a readjustment prohibitive zone in the vicinity of the memorized position, and stops the motors when the vehicle mounted device enters the motor-suspensive zone, prohibits to renewal the memorized position when the vehicle mounted device is within the renewal-prohibitive zone and prohibits an automatic action within the readjustment-prohibitive zone.

Abstract: A washer nozzle is provided with a pair of clicks protruding in the opposite directions for engaging to a vehicle body and a wedge-shaped projection overhanging in the direction in the intersecting at right angles to the protruding direction of the clicks for being pressed against the vehicle body to a cyclindrical part forming a part of the washer nozzle, and possible to be fixed on the vehicle body securely because it is restricted in the both directions intersecting perpendicularly each other.

Abstract: An actuator which comprises a reversible motor, a solenoid, movable clutch disc to be attracted by the solenoid, a driving clutch disc supported rotatably between the movable clutch disc and the solenoid and driven by the motor. The movable clutch disc and the driving clutch disc are provided with teeth to be engaged with each other and having inclined engaging flanks so as to be disengaged from each other due to slippage caused between the inclined engaging flanks of the teeth. According to this invention, it is possible to interrupt a force larger than a predetermined value and transmit reliably a smaller force to prevent damage to the throttle members.

Abstract: A raindrop detector comprises a vibration detection unit, a signal converter unit for converting the electrical signal output from the vibration detection unit into a data signal, a memory for storing data of the data signal converted by the signal converter unit and for outputting a signal to a wiper motor, and a cancel circuit for cancelling the data. According to this invention, it is possible to improve the control accuracy of the wiper motor because the distance to send the data signals to the memory from the signal converter unit shortens and the data signal is independent of radio interference.

Abstract: An automatic car-speed controller is provided with a car-speed sensor, a command switch, a car-speed memory, an actuator, a control circuit for controlling the actuator, and a prohibition circuit for preventing a driving motor of the actuator to rotate in the accelerating direction at the time of cancelling car-speed control or occurrence of some abnormality in the control circuit or the like, or a discrimination circuit for detecting whether a first limit switch is normal or not without driving a throttle in the opening direction.

Abstract: An automatic vehicle speed control device for use in an automatic controlling of the running speed of a vehicle to a certain set speed is disclosed.

Abstract: A wiper apparatus comprises a wiper motor, a wiper switch, a moisture sensor for sensing presence of moisture, a vibration sensor for sensing a vibration caused by raindrops and a controller for actuating the wiper motor in accordance with output signals from the moisture sensor and the vibration sensor. The apparatus is free from the malfunction and works automatically by sensing even a drizzling rain.

Abstract: An automatic car-speed controller is provided with a car-speed sensor, a command switch, a car-speed memory, an actuator, a control mechanism, and a holding circuit for cutting off an electric current to the actuator according to a braking operation and maintaining the actuator in its nonworking state till the actuator returns to its working state in response to a cruise command signal from the command switch in addition to the control mechanism. According to this controller, it is possible to release the actuator rapidly from the automatic car-speed controlling state in response to the braking operation even if the trouble occurs in the control mechanism.

Abstract: A small-sized centrifugal pump is improved in its efficiency and performance by having an impeller the height of which is higher than theoretically calculated value and decreases in the circumferential direction from the central portion, and which has a flow channel with a narrow and constant width.

Abstract: A raindrop detection wiper is provided with a raindrop detector for detecting a raindrop, a wiper motor for actuating a wiper blade, an automatic stop mechanism for stopping the wiper blade at a predetermined position, a control mechanism comprising a current detector, a memory and the like for operating intermittently or stopping the wiper motor in accordance with a signal from the raindrop detector and memory data stored by the memory. According to this invention, it is possible to wipe the wiping surface automatically by detecting the raindrop and drive current of the wiper motor even in a very light rain.

Abstract: A brush holder comprises a holding part provided with a contact part in contact with a brush and three resilient pieces pressing the brush toward the contact part. It is possible to support the brush securely in the holding part and possible to prevent the brush from the disconnection and the occurrence of objectable noise and vibration of the motor.

Abstract: An electromagnetic relay is provided with resilient pieces which are formed in one body with movable contacts, spring parts and the contacting parts and fulfils the function instead of movable contact pieces, a coil spring and the woven wires connecting between the movable contacts and the terminals. According to the invention, it is possible to reduce the cost and the dispersion in the performance of the relay.

Abstract: A car-speed control system is provided with a car-speed sensor, a command switch, an actuator having an electromagnetic clutch, an actuator-driving circuit, a clutch-driving circuit, a car-speed memory, a controller and a comparing circuit for comparing voltage level with reference voltage at the time of changing the electromagnetic clutch to its unexcited state and for changing the actuator-driving circuit to its non-driving state if the voltage level of the clutch-driving means is higher than the exciting voltage of the electromagnetic clutch.

Abstract: A wiper apparatus is provided with a wiper motor, an overcurrent detection circuit, a timer actuated according to a signal output from the overcurrent detection circuit at the time of detecting the overcurrent flowing in the wiper motor and a controller for actuating a wiper blade reciprocatingly by rotating the wiper motor in the reverse direction every time the wiper blade arrives at a turning position, and rotating the wiper motor in the reverse direction when the overcurrent detection circuit continues to detect the overcurrent for a period predetermined by the timer. According to this invention, it is possible to prevent the wiper motor from the burning out even if the wiper blade of the wiper apparatus is restricted by obstacles such as snow lying on the vehicle body.

Abstract: A wiper device is provided with a wiper arm including an arm head, a retainer and a coil spring, and with a lock-back detecting device which detects whether or not the wiper arm is in a "lock-back" state and shuts off a power supply to the motor in case of detecting the wiper arm to be in the "lock-back" state. This device makes it possible to prevent a vehicle hood from being hit by the wiper arm or the wiper blade.

Abstract: A headlamp cleaner which is provided with a control system for actuating a wiper motor of a wiper apparatus to wipe a windshield when a predetermined time elapses after the ON-operation of a headlamp cleaner switch. This control system also actuates said wiper motor for a predetermined time after the OFF-operation of said headlamp cleaner switch in order to wipe detergent liquid sprayed on said headlamp which also sticks on the windshield surface.

Abstract: A nut fixing structure for a resinous case which comprises a nut provided with an antirotative flange and caulking clicks on its respective ends, and a resinous case provided with a nut fitting hole and a flange receiving part. The nut is fixed in the nut fitting hole of the resinous case by bending the caulking clicks outwardly in the state of fitting the nut into the nut fitting hole and engaging the antirotative flange to the flange receiving hole. It is possible to fix the resinous case to the mounting position very firmly.