PNEUMATIC TRACK CATERPILLAR PROPULSOR Russian patent published in 2013 - IPC B62D55/24 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry and may be used in caterpillar transport facilities. Proposed propulsor comprises drive sprocket 1, guide wheel 2, track wheel rollers 3 and traction elastic belt 4 with reinforcing elements 5. Said reinforcing elements 5 are made integral with guides 6 of track wheel rollers 3 and arranged spaced part, holes 7 being made in their spacing to receive teeth of drive sprocket 1. Reinforcing element 5 has ball-like pin 12 whereto secured is pneumatic track 11 by means of cap 15, external sleeve 14 welded to flange 17 and split bush 16 with spherical hole 17. Pneumatic track 11 is arranged to run relative to ball-like pin axle 12. To remove pneumatic track 11 from said ball-like pin 12, bolts 16 are unscrewed to release split bush 16 from external bush 14. To fit pneumatic track 11 in place, proceed in reverse order.

EFFECT: higher flotation and stability, higher power efficiency.

5 cl, 9 dwg