Patent ID: 9708020
Date: 2017-07-18
CPC Classifications: B62D,E01C

Claim:
1. A paving machine configured to move in a paving direction for spreading, leveling and finishing concrete into a form having a generally upwardly exposed, finished concrete surface and terminating in lateral concrete sides, the paving machine comprising: a center module having a forward end, an aft end, and lateral sides; at least two forward bolsters laterally and movably connected to respective lateral sides of the center module; at least two aft bolsters laterally and movably connected to respective lateral sides of the center module; a crawler track mechanically coupled to each forward bolster and each aft bolster; a swing leg for each bolster; an upright jacking column secured to each swing leg, having a rotary connection between the jacking column and the crawler track permitting relative rotational movements of the crawler track with regard to the jacking column about an upright axis; and a power drive unit between associated jacking columns and crawler tracks configured for translating relative rotational movements between the associated jacking columns and the crawler tracks.