Two-piece seal for track chain joints

Details Two-piece seal for track chain joints Two-piece seal for track chain joints

F - Mech Eng,Light,Heat,Weapons

16

J

59/13, 277/48

F16J 15/38 (2006.01) B62D 55/088 (2006.01)

Patent

CA 1126306

TWO-PIECE SEAL FOR TRACK CHAIN JOINTS Abstract of the Disclosure A sealed joint assembly interconnecting links of crawler tractor track chain includes an annular sealing member made of relatively rigid abrasion resistant material formed to define contiguous axially and radially extending bands, the sealing member thus being generally right angular in cross section. The radially extending band includes a pair of surfaces which converge axially to form an annular edge which engages an end surface of a track bushing and is in fact biased theretowards by means of an annular compressive load member made of resilient relatively pliant material of generally rectangular cross section loaded predominantly in compression between the bottom of a counterbore of one of the links and the sealing member. A spacer ring is located radially inwardly of the axially extending band of the sealing member and augments the band in restraining radially in- ward expansion of the load member.

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