Patent ID: 6901623

Claim:
A wiper pivot ( 1 ) for a wiper apparatus of motor vehicles, which comprises: a pivot shaft ( 2 ) provided with a base end connected to a wiper motor ( 61 ) through a wiper linkage, and a top end to be disposed protrudingly from a body panel ( 70 ) of the vehicle and connected to a wiper arm ( 20 ) fitted with a wiper blade ( 21 ); and a pivot holder ( 3 ) made of resin and provided with a shaft-holding portion ( 3 b ) having a shaft hole ( 3 b 3 ) for rotatably supporting said pivot shaft ( 2 ) and a bodyfixing portion ( 3 d ) to be secured on the body panel ( 70 ) of the vehicle, formed in one body together with said shaft-holding portion ( 3 b ) through a connecting portion ( 3 c ); wherein said connecting portion ( 3 c ) of the pivot holder ( 3 ) is provided with a plurality of thin-walled destructible portions ( 4 ) to be destroyed at the time when impulsive force exceeding a predetermined value is applied on the pivot shaft ( 2 ), characterized in that, said destructible portions ( 4 ) of said connecting portion ( 3 c ) are composed of an upper thin-walled portion ( 4 b, 4 c ) formed on a face on one side of said connecting portion ( 3 c ) and a lower thin-walled portion ( 4 a ) formed on a face on another side of said connecting portion ( 3 c ) of the pivot holder ( 3 ), wherein said upper thin-walled portion ( 4 b , 4 c ) and said lower thin-walled portion ( 4 a ) are apart at a predetermined distance (t 1 ) in an axial direction of said pivot holder ( 3 ).