| 摘要 |
PURPOSE:To prevent positional shift after assembling by forming an emboss section for fixing a cylinder to the frame while projecting from the cylinder side and forming the cylinder fixing face at the emboss section through star punching. CONSTITUTION:A fixing bolt 27 is inserted into the fixing hole 27 of cylinder 6 then a fixing bolt 28 is screwed into a bolt hole 22 in the emboss section 20 for fixing the cylinder thus to fix the cylinder 6. The cylinder 6 is pressure contacted against the fixing face 21 of emboss section 20 through tightening of bolt 28 thus to increase the face pressure between them. While slippage between them is prevented by means of small meshed projections 23 formed on the fixing face 21 through star puching thus to prevent positional shift after fixing of the cylinder 6 and the frame 5.
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