BigPatents India

A device for reducing the noise generated by a gear train used in driving the balancer gear which comprises a primary driven gear (1), an idler gear (2) having an annular cavity (10) on either side, a balancer gear (3), a balancer mass (3a), a pair of scissor gears (4 and 5) both having integral lugs (13), springs (6 and 7), a pin (8), a shaft (15) and circlips (11 and 12), said pin (8) is inserted in the hole of the said idler gear (2), one end of said spring (6) is held against said pin (8) in said cavity (10) of said idler gear (2), integral lug (13) of said scissor gear (4) is positioned against the other end of the spring (6) and the entire assembly is retained by said circlips (11 and 12) on said shaft (15), said balancer gear (3) is press fitted to said balancer mass (3a). Drawing: 08 Sheets. Total Pages: 15. Fig. 1a&1b