| 摘要 |
FIELD: machine building. ^ SUBSTANCE: tensioning equipment consists of base (10) with tooth section (11), of pivot rod (20) engaged and turning with base, of pulley (50) resting on pivot rod, of spring (30) located between base and pivot rod for deviation of pivot rod in first direction, and of stop mechanism located on pivot rod and joined with base. The mechanism consists of turn able engaged element (90) and second spring (31) meshed between the engaged element and the pivot rod. Second spring (31) declines the pivot rod in the first direction. Engaged element (90) has section (92) without teeth, which meshes tooth section (11). ^ EFFECT: prevents reverse travel of pivot rod beyond specified range during change of load sign in system of drive belt. ^ 3 cl, 20 dwg |
