Wheel substitutes for land vehicles – Combined or convertible
Patent
1978-12-13
1980-12-16
Scherbel, David A.
Wheel substitutes for land vehicles
Combined or convertible
277 95, 277145, 277165, 305 14, B62D 5520, F16J 1536
Patent
active
042392977
ABSTRACT:
A seal (58) is provided between two piece parts (14,18) on each side of a track joint of a track chain (10). An inner cylindrically-shaped sealing ring (60) having an inwardly flared lip (62) is pressed into a slot (72) in one piece part (14) and is sealingly engaged by an overlapping outer cylindrically-shaped sealing ring (64) having an outwardly flared lip (66) pressed into a slot (74) in the facing surface of the other piece part (18). The sealing rings (60,64) are concentric, thin walled case hardened steel and engage along an interface at an angle of approximately five degrees. The piece parts (14,18) inside the oil cavity may be machined to act as thrust faces (48,54).
REFERENCES:
patent: 3379480 (1968-04-01), Storm
patent: 3480338 (1969-11-01), Durham et al.
patent: 3525530 (1970-08-01), Bauer et al.
patent: 3801163 (1974-04-01), Khuntia
Caterpillar Tractor Co.
Scherbel David A.
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