(under subclass 185) Apparatus wherein a pivotable connecting piece for connecting the endless track shoes includes two-piece part, each piece part being adapted to receive a pin and having a mating surface to couple and interlock with that of the other piece part and wherein the respective mating surfaces of the two pieces define a juncture of the master track link and each has an interlocking contact surface, these surfaces coacting to resist tensile force and thrust force exerted on the connecting piece at the pin connection of each piece part.
(1) Note. Master link is the first link removed so that the track can be disassembled and the last to be assembled.
SEE OR SEARCH CLASS
59, Chain, Staple, and Horseshoe Making,
85, for a detachable chain link.
403, Joints and Connections,
294, wherein the member ends are joined by a laterally inserted section. [figure] [caption]A - Track shoe; B - Master link; C - Track pin; D - Bushing; E, F - Two-piece parts of master link; G, H - Mating surfaces of link part E and F
