| 摘要 |
An adjustable positioning device used to position a work piece on a work platform is provided. The adjustable positioning device includes a base which is coupled to the work platform and has multiple sockets, and a supporting frame which has multiple slots. The supporting frame further includes a supporting portion protruded from a lateral side of the supporting frame, a number of bars which are installed at the bottom of the supporting frame and are used to insert into selected sockets, a slide block with a sliding section and a pressing section wherein the sliding section is able to slide and can be selectively fixed in a slot while the pressing section and the supporting portion are opposed to each other. The work piece can be retained between the pressing section and the supporting portion.
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