Asmo Co., Ltd.

Denso Corporation

Mazda Motor Corporation

Takayuki Imamura

Hideyuki Yagi

Yasuhiro Harita

Masaaki Kiyama

Hideshi Sahara

A wiper device including a wiper member that includes a wiper arm to which a wiper blade is coupled, a base end portion of the wiper arm being supported by a support section provided at a vehicle, and the wiper member being configured to of undergo displacement relative to the vehicle, a drive wheel that is rotatably supported by the wiper member at a position of the wiper member which is separated from the support section, and that rolls across a running face provided at the vehicle so as to displace the wiper member relative to the vehicle, and a motor that is supported by the wiper member so as to undergo displacement together with the wiper member, and that drives rotation of the drive wheel.

Wiper device

The present disclosure provides a vehicle wiper-washer device including: a wiper motor causing to-and-fro wiping operation on a wiping surface by a wiper blade coupled to a wiper arm; a washer pump that feeds washer fluid under pressure to a jetting portion provided to at least one of the wiper blade or the wiper arm, to cause washer fluid to be jetted from the jetting portion toward the wiping surface on an outward movement direction side of the wiper blade during the to-and-fro wiping operation; and a control unit that, when a predetermined signal is detected, controls the wiper motor and the washer pump such that the to-and-fro wiping operation is performed, and such that washer fluid is jetted from the jetting portion toward the wiping surface on the outward movement direction side while a return path wiping operation of the to-and-fro wiping operation is being performed.

Vehicle wiper-washer device

An input disk, a clutch disk and wave washers are installed to an output shaft to form an output shaft assembly of a motor apparatus. The input disk is axially non-detachable from the output shaft and is rotatable about an axis of the output shaft. The input disk is driven by a drive force supplied from a motor main body of the motor apparatus. The clutch disk is supported by the output shaft in such a manner that the clutch disk is non-rotatable relative to the output shaft and is axially movable along the output shaft relative to the input disk. The wave washers apply a resistive force against axial movement of the clutch disk from a coupled state, at which the input disk is coupled with the clutch disk to rotate together.

Motor apparatus and wiper motor apparatus

Initiation of coupling between an input disk and a clutch disk at a maximum rotational coupling force without making relative rotation between the input disk and the clutch disk is enabled only when the output shaft is placed in a single engageable point within a normal reciprocal angular range of the output shaft. When a load applied to the output shaft is equal to or greater than a predetermined value, the input disk and the clutch disk are decoupled from one another, so that the relative rotation is made between the input disk and the clutch disk.

Clutch device, motor apparatus and wiper system

A motor device having a hollow casing in which a mechanism for converting continuous rotational motion of a rotating member which is rotated by a motor into reciprocating oscillatory motion and reversibly rotates the output shaft in the forward rotational direction and in the reverse rotation direction. This motor device includes a gear wheel fixed to the output shaft. Furthermore, it includes a driving force conversion member comprising a meshing portion which is meshed with the gear wheel, which converts continuous rotational motion of the rotating member into oscillatory motion around the output shaft as a center for oscillation, and which reversibly rotates the gear wheel in the forward rotational direction and in the reverse rotational direction. It further includes a pair of holding members which support the meshing state of the gear wheel and the meshing portion of the driving force conversion member in the thickness direction, and which oscillate around the output shaft as a center for oscillation. This driving force conversion member includes a fixed shaft which supports and enables the pair of holding members to oscillate and which lies upon an oscillation path around the output shaft as a center for oscillation. And a one of the pair of holding members which confronts an inner wall of the hollow casing comprises a contacting portion which slides on the inner wall of the hallow casing.

Motor device

Herein disclosed is a retractable wiper device which comprises: a first crank connected for forward and backward rotations to the reduction output shaft of a motor; and a second crank rotatably supported on the first crank such that it is kept in association at a predetermined bent angle with the first crank, while the first crank is being rotated forward, and in general association with the first crank while the first crank is being rotated backward. When in the forward rotation of the first crank, a stopper is always pushed to keep its engagement with the first crank thereby maintaining the aforementioned predetermined bent angle by two overlapped cams which are associated with each other at a predetermined play angle. When in the backward rotation of the first crank, on the other hand, the push of the stopper by the two cams is released in the vicinity of the top turn position of a wiper blade, and the portion of the stopper in the vicinity of the pushed portion by the cams is relieved in the forward direction of the first crank. As a result, the first and second cranks are generally linear in the vicinity of the top turn position of the wiper blade.

Retractable wiper device

A retractable type wiper apparatus including a first crank connected to an output shaft of a reducer of a wiper motor and a second crank rotatably secured to the first crank by use of a first pivot shaft and so arranged that the second crank is maintained in a bent orientation at a predetermined angle relative to the first crank during the rotation of the first crank in the forward direction. The second crank is extended substantially straight relative to the first crank during the rotation of the first crank in the reverse directions. A stop member is provided on the first crank for defining a first locking recess and a second locking recess. A detent is longitudinally slidably mounted on the second crank. A spring means urges the detent selectively into the first and second locking recesses to thereby lock the second crank in place when the second crank is positioned at the predetermined angled position and at the straight extended position, respectively, relative to the first crank. The link member is rotatably connected to the second crank by a second pivot shaft for transmitting the motion of the second crank to a wiper blade. A cam member is rotatably mounted over the second pivot shaft and adapted to press and lock the detent as it is urged into either the first or second recess.

Growing community of inventors

Hamamatsu, Japan

Takayuki Imamura