| 摘要 |
An automatic unit for distributing and installing rings, particularly composite rings, on engine pistons, and which includes a first device for separating elastic expanders (b 1a) consisting of two pairs of helical ramps (26, 27) and (28, 29) having opposite winding directions driven simultaneously by a ring gear (30), and of an escapement mechanism (32) controlled by a cylinder (34) able to cause the turn portion corresponding to one helical ramp turn to be performed on this ring. |
