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ELASTIC PIVOT
申请公布号：JPS62200011(A)
申请号：JP19860041473
申请日期：1986.02.28
申请公布日期：1987.09.03
发明人：MIYAKE SHOJIRO;TAKAHASHI SADAO
分类号：F16C11/12
主分类号：F16C11/12
摘要：PURPOSE:To prevent the damage to a leaf spring part, by installing a radial displacement restricting means, which can abut on each other when a rotor and a stator make radial and relative displacement, to both a rotor connecting part and a stator connecting part of the main body. CONSTITUTION:Three-piece type outer cylinders 12 and 13 are joined or fitted as an integrated body to the outer peripheral surface of a cylindrical inner cylinder 11 by means of brazing or the like. Semicircular-arc-shaped grooves 14 are formed in phase with each other at both right and left end parts of and on the outer surface of the inner cylinder 11, while a semicircular-arc-shaped groove 15, whose phase is opposite to that of the grooves 14, is formed at the middle of the outer surface of the inner cylinder 11. These grooves 14 and 15 are connected to each other via both a pair of groove part 16, which is formed by partly cutting lengthwise the inner cylinder 11, and an annular groove part 17 which is formed between the outer cylinders 12 and 13. A pair of leaf springs 18, which are parallel with each other, are spanned between both end parts of the inner cylinder 11, corresponding to the inner cylinder 11. In addition, a leaf spring 19, which is perpendicular to the leaf spring 18, is installed in the middle of the inner surface of the inner cylinder 11. With this constitution, the radial and relative displacement of both outer cylinders 12 and 13 can be restricted. Therefore, damage to the leaf springs 18 and 19 can be prevented.