PROBLEM TO BE SOLVED: To provide a teat-washing apparatus which enables to readily and sufficiently remove stains from a brush, can eliminate troubles such as useless labors and time required for maintenance work (exchange work), and always maintains a necessary washing ability.SOLUTION: In the teat-washing apparatus, a brush mechanism portion 3 includes: a brush holder portion 11 rotated by a rotation-driving portion 4； a brush-receiving portion 13 which is displaceably supported by the brush holder portion 11 over a prescribed range of an axial direction Fs and is urged by brush-urging sections 12 on the side of an insertion port 2i； a tip-washing brush portion 14 which is attached to or detached from the brush-receiving portion 13 in the axial direction Fs and washes at least the tip portion Ms of a teat M； and a relative position-controlling portion 15 for controlling the relative position between the tip-washing brush portion 14 and the brush-receiving portion 13, when the tip-washing brush portion 14 is mounted to the brush-receiving portion 13.COPYRIGHT: (C)2010,JPO&INPIT【課題】 ブラシに対する汚れの容易かつ十分な除去を可能にするとともに、メンテナンス作業（交換作業）に無用な労力と時間が費やされる不具合を解消し、常に必要な洗浄能力を維持する。【解決手段】 ブラシ機構部３に、回転駆動部４により回転するブラシホルダ部１１と、このブラシホルダ部１１により軸方向Ｆｓの所定範囲にわたって変位自在に支持されるとともに、ブラシ付勢手段１２により挿入口２ｉ側に付勢されるブラシ受部１３と、このブラシ受部１３に対して軸方向Ｆｓに着脱し、かつ乳頭Ｍにおける少なくとも先端部Ｍｓの洗浄を行う先端部洗浄ブラシ部１４と、この先端部洗浄ブラシ部１４をブラシ受部１３に装着した際に当該先端部洗浄ブラシ部１４と当該ブラシ受部１３の相対位置を規制する相対位置規制部１５とを備える。【選択図】 図１
