B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
305/63
B62D 55/20 (2006.01) B62D 55/205 (2006.01)
Patent
CA 1038916
MASTER LINK ASSEMBLY FOR CRAWLER TRACTOR TRACK ASSEMBLY ABSTRACT OF THE DISCLOSURE A master link assembly in a continuous flexible track assembly for a crawler tractor comprises two later- ally spaced apart (left and right) parallel master links and each master link comprises two overlapping half-links held in alignment by a pin extending into registering pin holes in the half-links. The overlapping half-links are mechanically secured together in fixed relationship by track shoe capscrews which extend through holes in a master link track shoe which overlies both half-links and screw into tapped cap screw holes in the half-links. Besides aligning the overlapping half-links, each pin also serves as a safety connection in case the capscrews break and also enables removal of the capscrews and replacement of the track shoe without breaking the track assembly. Axial dis- placement of a pin from its pin holes is prevented by arranging at least one tapped screw hole in each half link so that a capscrew, when fully inserted therein, engages a groove in the side of the pin and prevents axial movement of the pin.
240956
Miller James L.
Schaffner Donald L.
LandOfFree
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