| 摘要 |
A braking assembly for use with caster wheels of vehicles such as carts includes a main body and a braking member movable relative to the main body, the braking member including an arcuate first portion which extends around a portion of the periphery of the caster wheel and a second plate portion disposed between the first portion and the main body, the second plate portion rotating so as to move the arcuate first portion to between the caster wheel and the supporting surface on which it moves when the braking member is moved from an inoperative position to an operative position, the second plate portion including a raised surface abutted by a trigger finger to retain the braking member in an inoperative position, the trigger finger being movable with passage of the braking assembly over a magnetic area in the supporting surface to release the second plate portion.
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