ISOLATING JOINT FOR WHEELS Russian patent published in 2011 - IPC B62M21/00 F16D3/68 

FIELD: transport.

SUBSTANCE: sprocket 10 is rigidly engaged with first adapter 20 and axle 60 to run on bearing 70. Wheel 40 is rigidly engaged with first adapter 30 and axle 60 to run on second bearing 71. First adapter 20 has receiving parts accommodating compressible elements made up of rubber blocks 50. Second adapter 30 has elements 32 arranged radially to engage with said rubber blocks 50. Note here that sprocket 10 does not transmit axial force F caused by expansion of rubber blocks 50 and confined between wheel 40 and second adapter 30. Joint may ne configured so that first adapter 20 is located between second adapter 30 and wheel 40. Note that second adapter 30 is arranged between first adapter 20 and sprocket 10.

EFFECT: reduced axial load on bearings.

9 cl, 18 dwg