A pivotable connection comprising an axial sealing member arranged between two parts rotatable through a limited angle, particularly for the bearing eyes of crawler tracks

摘要

1,079,769. Endless track links. KLOCKNERHUMBOLDT-DEUTZ A.G. Nov. 24, 1964 [Jan. 16, 1964], No. 47731/64. Heading B7H. [Also in Division F2] A seal between the bearing eyes 4 of track links 2, 3 and the bearing eyes 6 of track links 2a, 3a of a track-laying vehicle comprises an elastic sleeve 12, Fig. 2, which is provided at its end faces with metal discs 14, 16 which are connected in sealing-tight and rotationallysecure manner to the eyes and connecting pin 7 by plastic or elastic deformation of the discs. The metal discs may be secured to the elastic sleeve 12 by vulcanization or gluing and upon assembly, the inner edge 15 on the metal disc 16 is deformed against the pin 7 while the outer edge 13 of the metal disc 14 is beaded-over. In a modification of the seal, Fig. 4 (not shown), layers (22), (23) of elastic material cover the end faces of the metal discs.