CRANK DRIVE ARRANGEMENT OF A PREFERABLY OIL-FREE PISTON COMPRESSOR

摘要

The invention relates to a crank drive arrangement of a piston compressor, with a rolling bearing (2) which is arranged on a crank pin (3) of a crank shaft and to which a connecting rod (1) is attached via an intermediate ring (4) which interacts with means for securing against rotation in relation to the connecting rod (1), wherein the means for securing against rotation have a pin arrangement (5) which is fastened in a play-free manner in the connecting rod (1) by means of a thread and which comes into engagement in an interlocking manner in the intermediate ring (4) via a play-exhibiting fit.