| 摘要 |
<p>A track-laying tractor includes longitudinally extending track frames at its opposite sides, the track frames being secured to the main frame of the body of the tractor through means including a rear transverse pivot shaft to which rear portions of the track frame are journaled. Each of the track frames is secured to the pivot shaft at respective inboard locations through means of a diagonal brace, the diagonal brace of each track frame being made of first and second sections interconnected by a joint assembly including a piece of key stock received in a transverse keyway formed by cooperating recesses in the first and second sections, the first and second sections being clamped together through means of bolts disposed on opposite sides of the keyway.</p> |
