Ohi Seisakusho Co., Ltd.

Nissan Motor Company Limited

Jun Yamagishi

Kouichi Shiota

Hiromitsu Nishikawa

Shigenori Taga

Soushichi Koura

Fumio Kobayashi

Osamu Kawanobe

Kouichi Shigematsu

Yasuyuki Fukushima

Yoshio Watanuki

Masaharu Matsumoto

Shinichiro Kita

Akihiro Takeda

Noboru Takamura

Katsumi Nakagome

Masaichi Moriya

Tsutomu Kagiyama

Takeharu Iwata

Hirotaka Nishizima

Ichiro Naito

Atsushi Kaminaga

Yousuke Goutani

Hiromitu Nishikawa

Toshio Yokoo

An opening and closing device opens and closes a sliding door by using a cable connected to the sliding door movably attached to a vehicle body. The opening and closing device has a base bracket, a motor, a transmission, a rotary drum, a first conduit fixed portion, a second conduit fixed portion, a first tension controller and a second tension controller. The base bracket is fixed to the vehicle body with bolts. The motor, the transmission, the rotary drum, the first and second conduit fixed portions and the first and second tension controllers are fixed to a disposition face of the base bracket. The first and second tension controllers are respectively disposed between the rotary drum and the first conduit fixed portion and between the rotary drum and the second conduit fixed portion, and applies tension to the cable fed from the rotary drum to take up the slack.

Tension controller and opening-and-closing device for vehicle having the same

A control unit is configured to carry out a given controlling of an electric motor when a given operation is carried. The given operation is an operation wherein under operation of a closure mechanism, the door is moved in a close direction passing through an operative position of a half-latch switch and then moved back in an open direction at a position just before the half-latch position. The given controlling is so made that when the moving member takes a position other than a neutral position upon completion of the given operation, the electric motor is rotated in a reversed direction to move the moving member to the neutral position, and when the moving member takes the neutral position upon completion of the given operation, the electric motor is stopped to keep the moving member at the neutral position.

Electric door lock device of motor vehicle

In closure apparatus and method for an elongated lid of a compartment, the lid being pivotally supported on a wall defining the compartment via a pair of mutually spaced apart hinge arms, a control device controls each of a first driving device and an electromagnetic clutch to make a deformation of the lid to the compartment return to its original form in response to an output of the locked state detection signal from the detecting section. In the first embodiment, a rotation direction of a reversible motor is changed to a reverse direction which corresponds to an open direction of the lid to drive the lid toward the open direction in response to the output of the locked state detection signal.

Closure apparatus and method for lid of compartment applicable to vehicular trunk lid

A door lock apparatus has a handle switch ( ), which is placed in the on condition when an actuator member for opening and closing a back door is operated, an open switch ( ), which is placed in the on condition when the door is closed to within a prescribed closure range, a drive circuit, which is formed so as to drive a door lock disengaging motor ( ) when both the handle switch ( ) and the open switch ( ) are in the on condition, and a self-holding circuit holding a condition in which the drive circuit is formed and, in response to the open switch going into to off condition, releasing the condition in which the drive circuit is formed.

Door lock apparatus

An electric lid closure generally comprises a lock unit mounted to a trunk lid and an electric closing unit mounted to a trunk room mouth. The lock unit includes a latch plate, and the electric closing unit includes a support base, a striker base pivotally connected through a pivot pin to the support base, a striker formed on the striker base and engageable with the latch plate, and an electric power mechanism for pivoting the striker base between uppermost and lowermost positions by an electric power. A leading edge of the striker is inclined relative to an imaginary plane over which the striker base turns about the pivot pin.

Electric lid closure

An automotive lid lock device comprises a lock proper which includes a latch plate and a locking plate. The locking plate is pivotal between a locking position to lock the latch plate and an unlocking position to release the latch plate. The lid lock device further comprises a power unlocking mechanism for pivoting the locking plate to the unlocking position with an aid of an electric power. The power unlocking mechanism includes an electric motor; a worm connected to an output shaft of the motor to rotate therewith; a worm wheel operatively engaged with the worm and a release lever extending between the locking plate and the worm wheel to pivot the locking plate from the locking position to the unlocking position when the worm wheel is turned in a given direction. The release lever, the locking plate and the worm wheel are so arranged that when the worm wheel is turned in the given direction, the worm wheel pushes the release lever toward the locking plate.

Automotive lid lock device with power unlocking mechanism

A powered vehicle door closing system for producing an auto-closing action to automatically move a latch member from a half-latched position to a fully-latched position comprises a reversible motor mechanically linked through a linkage to the latch member, for powering a final, low-displacement/high-force movement of a vehicle door, and a controller for controlling the motor. The controller includes a full-latch confirmation section for confirming that the latch member is maintained at its fully-latched position, and a motor-drive limiting section for limiting re-activation of the motor so as to avoid ineffective auto-closing action of the system when the full-latch confirmation section decides that the latch member has already been shifted to and maintained at the fully-latched position.

Powered vehicle door closing system

A powered vehicle door closing system for producing an auto-closing action to automatically move a latch member from a half-latched position to a fully-latched position, comprises a reversible motor mechanically linked through a linkage to the latch member for powering a final, low-displacement/high-force movement of a vehicle door, a half-latch detection switch such as a limit switch, and a controller for controlling the motor. The controller comprises a full-latch detection section for detecting the fully-latched position of the latch member and a stand-by position detection section for detecting the stand-by position of the linkage. To detect the fully-latched position and the stand-by position, the full-latch detection section and the stand-by position detection section respectively utilize changes in load imparted to the motor.

A slide door driving system of a motor vehicle comprises an electric power source and a door driving device to move the slide door between a full-open position and a full-close latched position with an aid of electric power from the electric power source. A manual switch is mounted in the motor vehicle. A control circuit is used for controlling the door driving device in accordance with operation of the manual switch. A so-called 'permission switch' is connected to the control circuit. The permission switch is turned ON when an ignition switch for an engine of the vehicle is turned ON. The control circuit is provided with a judging circuit which makes an operation of the manual switch operative only when the operation of the manual switch is carried out under a condition wherein the permission switch is kept ON.

Slide door driving system

An electric connector for use with an automotive slide door is shown, which comprises a first connector part adapted to be mounted to a vehicle body and a second connector part adapted to be mounted to the door. The first connector part includes a first nonconducting casing, a first conducting contact pin axially movably received in the first casing, a conducting piece axially movably received in the first casing in front of the first contact pin, and a spring for biasing the conducting piece in a direction away from the first contact pin. The second connector part includes a second nonconducting casing and a second conducting contact pin carried by the second casing. When the door is manually moved in a closing direction to a slightly open given position, an exposed end of the second contact pin contacts and pushes the conducting piece toward the first contact pin against the force of the biasing means and finally brings the conducting piece into contact with the first contact pin.

Electric connector for use with automotive slide door

An automatic door operating system for a motor vehicle is shown. The system comprises a door closing device which includes an electric motor and a latch plate actuator. The system further includes a control device which, when a latch plate position detecting switch detects a half-latch condition of a latch plate of a door lock device, energizes the motor to run in one direction to turn the latch plate toward a full-latch position and which, when the latch plate position detecting switch detects a full-latch condition of the latch plate, energizes the motor to run in the other direction to turn the latch plate toward a releasing position and which, when a return recognition switch detects the latch plate actuator having returned to its rest position, stops the rotation of the motor in the other direction. The control device includes a control timer which energizes the motor to run in the other direction for a predetermined time from the time on which the control device is energized.

Automatic door operating system

A door drive device is disclosed, which comprises a guide rail for defining in the body of the vehicle a way along which the slide door moves; first and second pulleys arranged at spaced positions of the vehicle body; an electric drive unit for driving the first pulley; an endless belt put around the first and second pulleys with a slack thereof; a bracket for connecting a portion of the endless belt to the door; and a tensioning device for tensioning the endless belt. Due to provision of the slack of the belt, various advantages are obtained particularly when the door drive device of the invention is used in combination with other door controllers.

Drive device of slide door

A half-latch and full-latch detecting device for an automotive slide door operating system is shown, which comprises:

Automotive slide door operating system with half-latch and full-latch

An electric system for use in a motor vehicle. The system includes a battery mounted in the vehicle body; a controlling device mounted in the vehicle body and having first and second switches; and a positive/negative switching device mounted in the vehicle body and electrically connected to the battery and the controlling device. The switching device has an output member which includes first and second output parts. The switching device assumes, when the first switch of the controlling device is turned ON, a first condition wherein the first and second output parts are charged positive and negative respectively, and assumes, when the second switch of the controlling device is turned ON, a second condition wherein the first and second output parts are charged negative and positive respectively. First and second electric devices are mounted in the door and have an input member which includes first and second input parts. The first electric device is energized only when the first and second input parts are charged positive and negative respectively, and the second electric device is energized only when the first and second input parts are charged negative and positive respectively. The feeding system further comprises a member for electrically connecting the first and second output parts to the first and second input parts.

Feeding system for electric devices mounted in door

Disclosed herein is an automatic door operating system for use in a motor vehicle having a vehicle body and a movable door. The system comprises a first device for allowing the door to assume an open position, a half-latch position and a full-close latched-position, the open position being a position wherein the door opens a door opening defined by the vehicle body, the half-latch position being a position wherein the door is halfly latched to the vehicle body while almost closing the door opening and the full-close latched position being a position wherein the door is fully latched to the vehicle body while fully closing the door opening; an electric door moving device for moving the door between the open position and the full-close latched position when energized; and electric door closing device for shifting the door from the half-latch position to the full-close latched position when energized; a second device controlling the door closing operation of the electric door moving device; a third device for feeding the electric door closing device with electric power; and a fourth device for allowing the second and third devices to cooperate with each other to eliminate a possible trouble which may occur when the door comes to a position adjacent to the half-position.

Growing community of inventors

Yokohama, Japan

Jun Yamagishi