| 摘要 |
PROBLEM TO BE SOLVED: To secure high sealability in a joint boot mounted on an outer case of non-circular outer peripheral shape such as a triport-type constant velocity joint. SOLUTION: A large diameter-side mounting part 14 externally fitted and fixed to the outer case 6 by using a fastening member 7, is composed of a plurality of circular arc-shaped wall portions 22 circumferentially arranged at intervals in a common cylindrical face, and protruding wall portions 24 respectively protruding radially inward in a curved state between the cylindrical wall portions. Projections 26 for sealing extending in the circumferential direction, are mounted on inner side faces of the protruding wall portions 24, and supporting wall portions 30 corresponding to the projections 26 for sealing, extending in the circumferential direction and supporting outer side faces of the protruding wall portions 24 are mounted on the outer side faces of the protruding wall portions. The supporting wall portions 30 adjacent to each other are connected by connection walls 32, 34 axially extending. COPYRIGHT: (C)2006,JPO&NCIPI
|
