| 摘要 |
A roll slicing machine in which disc knives are fixed to one end of vertical shafts inserted in driving sleeves supported in bearing blocks on the machine is provided with a chuck unit connected to the upper end of the driving sleeves, above the bearing blocks, and said chuck units each comprise a head secured to the upper end of said driving sleeves and having a bore complementary to the upper ends of the knife shafts. The upper ends of the knife shafts are provided with a notch in one side thereof which is wider and deeper at one end than the other and said heads are provided with a transverse bore which receives a plug for axial movement of a frusto-conical section on said plug into and out of wedging engagement with said notch in said knife shaft with which said secton is substantially complementary in shape. Several embodiments of actuating structures are provided for moving said plug into and out of said wedging engagement of the frusto-conical sections with said notches in said knife shafts.
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