COMPOSED CRANK SHAFT Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: crankshaft has pins 1,2, webs 3,4 and crankpin 5. At least one web 4 and web 5 and pin 2 which are mating with it and pin 2 are made up of pivotally connected links of a bushing chain. Web 4 is available as a rectangular frame, and end parts of web 5 and pin 2 have flats which are in contact with inner parallel surfaces of the frame. Web 5 and pin 2 are coupled with the frame via coupling bolts. Web 3 is made up in block of pin 1. EFFECT: improved design. 4 cl, 2 dwg