| 摘要 |
A vehicle side mirror ( 10 ) that includes an internal case frame ( 30 ) having a spherical concave support portion ( 38 ) and a 'T shaped' retention post ( 40 ). The spotter mirror ( 28 ) also includes a backing plate ( 54 ) having a dish portion ( 56 ) with a center opening ( 58 ). The backing plate ( 54 ) is positioned against the case frame ( 30 ) so that the support portion and the dish portion ( 56 ) cooperate and the retention post ( 40 ) extends through the opening ( 58 ) in the dish portion ( 56 ). The spotter mirror ( 28 ) further includes a single piece retention ring ( 66 ) having ramped cam surfaces ( 72, 74 ) and leaf springs ( 78 ). The retention ring ( 66 ) is positioned within the dish portion ( 56 ) so that the retention post ( 40 ) extends through a center slot ( 58 ) in the ring ( 66 ). The retention ring ( 66 ) is rotated so that ramped cam surfaces ( 72, 74 ) push against a back surface of the post ( 40 ). The pointing direction of the glass ( 86 ) can be manually adjusted by rotating the dish portion ( 56 ) on the support portion ( 30 ).
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