Patent ID: 6095014
Filing Date: 2000-08-01
Classification: B23Q,Y10T

Abstract:
A transfer mechanism for a turret indexing and positioning system, comprising:a main body;a power source;an input shaft mounted in the main body and driven by the power source;an output shaft having first and second end portions, the first end portion extends beyond the main body and is configured for connecting a first end part which mounts on a turret, the second end portion is arranged within the main body;a transmission device mounted in the main body and configured for transmitting power from the input shaft to the output shaft, the transmission device includes a follower mounted on the second portion of the output shaft and at least one conic ring device mounted on the second portion of the output shaft to secure the follower on the output shaft while permitting fine adjustment of the follower in an axial direction relative to the length of the output shaft;a hydraulically controlled three-piece tooth type shaft coupling configured for braking a turret attached to a first part which is attached to the output shaft;a piston ring and a thrust bearing mounted on the output shaft and positioned around the output shaft and adjacent to the piston ring;a locking nut configured to be mounted on the output shaft to axially position the piston ring in place, the locking nut is assembled independently of the follower; andwherein as the input shaft is rotated, hydraulic oil enters an interface between the three-piece tooth type shaft coupling and the piston ring to generate a clearance in the three-piece tooth type shaft coupling in order to release the output shaft and allow rotational movement of the output shaft.