| 摘要 |
A crawler traveling device that both suppresses jumping at a driving wheel and suppresses an increase in weight. A crawler traveling device 12 includes a sprocket 100 and a rubber crawler 14. The sprocket 100 is provided with a wheel portion 102 that is mounted to a driving axle and tooth portions 104. The tooth portions 104 are provided at side portions of the wheel portion 102, spaced apart in a sprocket circumferential direction, and protrude to the sprocket radial direction outer side relative to an outer periphery face 102A. The rubber crawler 14 is provided with a rubber body 16 in an endless shape that is wrapped round the sprocket 100, a wheel portion support face 30 that is provided at an inner periphery portion of the rubber body 16 and supports the wheel portion 102, and engaging recess portions 32. The engaging recess portions 32 are provided, spaced apart in a crawler peripheral direction, at each of two crawler width direction side portions of the inner periphery portion to sandwich the wheel portion support face 30. The engaging recess portions 32 are recessed toward the crawler outer side and the tooth portions 116 can be inserted into and engaged with the engaging recess portions 32. |
