| 摘要 |
The present invention relates to a supporting body with pins (2) secured on pitch circle diameter against spontaneous release. The pins (2) are mounted on the supporting body in exchangeable manner and are situated on a common pitch circle. The pins (2) have on their circumference a first circumferential groove (20) reaching in openings (41) for the secured pins (2), wherein the circumferential groove (20) corresponds to a second circumferential groove (40) performed in the supporting body. In said second circumferential groove (40) in the supporting body and in the first circumferential grooves (20) of the pins (2), there is mounted a common safety ring (3) for fixing the pins (2) in the supporting body openings (41). |
