Patent ID: 8821328
Filing Date: 2014-09-02
Classification: F02B,F16H,Y10T

Abstract:
1. A combined belt drive and belt tensioning device comprising: a belt drive including a driving machine having a driveshaft, a driving belt pulley supported on the driveshaft and having an outer circumferential surface that defines a diameter, a plurality of further belt pulleys, and an infinite belt extending about the outer circumferential surface of the driving belt pulley and the plurality of further belt pulleys; and a belt tensioning device including a housing, two tensioning arms supported on the housing for pivoting movement about a common axis and supporting respective rollers engaging the infinite belt, and a spring exerting pressure on the two tensioning arms; wherein the common axis defined by the two tensioning arms is located within the outer circumference of the driving belt pulley; and each of the housing and the two tensioning arms has an aperture defining a diameter that is larger than the diameter defined by the outer circumferential surface of the driving belt pulley.