| 摘要 |
A balancing piece fixedly received within a tapered opening of cooling vents radially disposed in a ventilated brake disc for the purpose of improving rotational balance of the ventilated disc. The balancing piece includes, as integral parts thereof, a wide portion at a wide end thereof, at least one tab portion formed adjacent to the wide portion and protruding at an acute angle relative to the wide end portion, and a locking portion at a narrow end thereof. The balancing piece is fixedly positioned within the vent, with edges of the wide portion being in contact with rounded portions of the vent, top edge of the tab portion being forcibly in abutment with an interior wall of the vent, and the locking portion being in engagement with an edge of the interior wall at an open end of the vent on the disc center side, whereby the balancing piece is completely restrained from moving out of position in any directions either radially along the length of the vent or across and/or along the width of the vent, and consequently from generating otherwise possible rattling noises.
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