| 摘要 |
Device to feed and position bolts for the coupling of rails to sleepers, which is suitable to be fitted to machines or units which perform the clamping and/or bolting of the rails to the sleepers, and is able to deliver heads (134) of bolts (34) directly to seatings (114), a clamping unit (52) cooperating with a conduit (43) which feeds the bolts (34) and is positioned at an end of such clamping unit (52), the bolt-feeder conduit (43) being supported by a vertically movable frame (25), the clamping unit (52) being suitable to grip the threaded shank of the bolt (34) and being able to move on three axes to position and deliver the heads (134) of the bolts (34) to seatings (114). |
