| 摘要 |
Improved dowel device for a concrete machine which mainly consists of a series of insertion elements ( 19 ) for dowels ( 3 ) which is provided with an output pipe ( 27 ) for dowels ( 3 ) at the bottom, and a push-out mechanism ( 30 ) for dowels ( 3 ) whereby the push-out mechanism ( 30 ) of each insertion element ( 19 ) is formed of a chain ( 31 ) which is guided over two chain wheels ( 32 - 33 ) placed on top of one another and a flexible blade ( 34 ) which is fixed to the chain ( 31 ) with one far end and which is provided with a pressure piece ( 37 ) on the other far end, whereby the blade ( 34 ) is guided over a guide at the bottom of the second compartment which bends off the blade ( 34 ) in the direction of the output pipe ( 27 ).
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