| 摘要 |
PURPOSE:To aim at making the undercarriage of a crawler vehicle light weight and at enhancing the durability and drive feeling of the vehicle, by dividing a drive sprocket of the crawler vehicle into an inner barrel and an outer barrel, and as well by coupling them with the use of a plurality of radial shaft sections and cylindrical shock-absorbing members. CONSTITUTION:Torque which is transmitted to a shaft member 3 from a rotating drive side 39, is transmitted to an inner barrel 5 through a flange section 4 and pins 8, then to an outer barrel 16 through a plurality of shaft parts 9 radially arranged on the outer peripheral part of the inner barrel 5 at a predetermined space and cylindrical shock-absorbing members 10 fitted onto the shaft parts 9, and finally to teeth 26. In this arrangement, all loads in the radial and axial directions and in the direction of torque are received by the shock-absorbing members 10. Further, seal members 34, 35 receives the axial load, and a resilient member 38 receives the torque and the radial load, relying upon its shearing.
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