| 摘要 |
PURPOSE: A backdoor wiper device for a vehicle is provided to open and close the window glass of a backdoor without lifting the whole backdoor up while a wiper arm is easily separated from a motor shaft. CONSTITUTION: A wiper device for a vehicle backdoor comprises; a wiper motor(8) fixed in a backdoor; a coupling(6) in which a motor shaft(10) of the wiper motor is fixed through a shaft hole(6a) of a middle part, and an elongated hole(6b) is formed in the eccentric location; a pivot housing(14) bound to pass through a window glass(2) of the backdoor by fixtures(15,16); a pivot arm(4) inserted in the inside of the pivot housing, and which a wiper arm(3) is bound in one end(4a), and a receiving part(4b) is formed in the other end; and a connection device inserted in the receiving part and transmitting the rotation force of the motor shaft to the wiper arm. The connection device comprises; a spring seat part(18a) supporting the one end of a spring(20); a projected end(18b) inserted in the elongated hole of the coupling; and a connection pin(18) consisting of an insertion end(18c). The insertion end is formed to face the projected end, and is placed in the receiving part.
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