Spiral body |
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| 申请号 | JP22857188 | 申请日 | 1988-09-14 | 公开(公告)号 | JPH0278779A | 公开(公告)日 | 1990-03-19 |
| 申请人 | Sanden Corp; | 发明人 | SUGIMOTO KAZUO; | ||||
| 摘要 | PURPOSE:To increase the height of a spiral body easily and obtain a highly precise spiral body by laminating a plurality of plate spiral members having an outline according to a spiral curve and through holes, and inserting positioning members into the through holes. CONSTITUTION:A movable spiral body 1 is constituted by laminating plate spiral members 2 made of steel and plate spiral members 3 made of synthetic resin alternately in the thickness direction. The spiral member 2 is formed by providing first and second boss receiving parts 5, 6 on the center side end and the outer circumferential side end of a spiral member body 4 according to a spiral curve and providing through holes 7, 8 on the boss receiving parts, respectively. First and second bosses 9, 10 serving also as positioning members are press-fitted to each through hole 7, 8. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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