| 摘要 |
H:/tzs/Interwoven/NRPortbl/DCC/TZS/5909245_I.DOC- 19/12/2013 A pulley assembly comprising: a pulley having an axis of rotation and comprising a pulley shell and a bearing, the pulley shell having an annular wall that defines an opening for housing the bearing, the bearing being in the opening, the bearing having an inner race, an outer race, and a rolling element therebetween; a shaft having a pulley-receiving end; and a first bearing shield disposed at the pulley-receiving end of the shaft, the first bearing shield having a deflected sealing member biased against at least one of the outer race of the bearing the pulley shell as a first contact seal to protect the bearing from contaminants; wherein the first bearing shield further includes a cup coupled to the deflected sealing member to position the deflected sealing member against at least one of the outer race of the bearing and the pulley shell. 150 114 112 10 125 0 1 0 -122 116 -114- 106 A 137 144 140 132 138 ~, --~~ 136 |
