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(11) | EP 2 255 714 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Free-of-bearing rotational positioning device for a dewatering basket of a non-treading type wringer bucket |
(57) A free-of-bearing rotational positioning device for a dewatering basket of a non-treading
type wringer bucket, comprising: a bucket body (10) having a dewatering basket (20)
having a driven seat (21) at the center of the bottom thereof. The bottom of the driven
seat (21) includes a shaft holder (30) made of non-metal material. In mounting the
dewatering basket (20), the driven seat (21) fits from top to bottom over the connection
part of the support shaft (50). After the lower sleeve (30a) passes through positioning
element (40) in a compression manner, the positioning surface (421) of the positioning
element (40) is stretched into the engagement groove (36) at the center of the shaft
holder (30) when returning to its original shape.
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