RT Journal Article SR Electronic A1 Lajos, Nagy T1 Bristled Micromachines JF Acta Mechanica Slovaca YR 2015 VO 19 IS 2 SP 6 OP 11 DO 10.21496/ams.2015.009 UL https://www.actamechanica.sk/artkey/ams-201502-0001.php AB The paper deals with specific problems in area of the in-pipe machine design. Main purpose of the machine is to locomote inside pipe for pipe wall inspection otherwise for cable drawing into the pipe. The main attention is concentrated to the bristle, which has the key influence to the machine locomotion.