Shaft/roller unit for tracked vehicles

Details Shaft/roller unit for tracked vehicles Shaft/roller unit for tracked vehicles

2005-04-05

2005-04-05

Jules, Frantz F. (Department: 3617)

Wheel substitutes for land vehicles

With track support intermediate of end wheels

With roller support contacting lower track run

C305S137000

Reexamination Certificate

active

06874859

ABSTRACT:
A shaft/roller unit for tracked vehicles which has a long life and resistance to wear is formed by a shaft (54) which has a shoulder (55) in its central portion, perpendicular to its axis, and onto which two wholly hardened steel half-rollers (56, 57) are fitted, one on each side of the shoulder, with the interposition of antifriction bushings (58, 59), the half-rollers grasping the shoulder (55) and, when they have been welded together along a mating contact and locating surface (60), forming a unitary roller which has a predetermined axial position on the shaft and can withstand considerable axial stresses.

REFERENCES:
patent: 2080744 (1937-05-01), Rogers
patent: 3586398 (1971-06-01), Dadds et al.
patent: 3773393 (1973-11-01), Story et al.
patent: 5302012 (1994-04-01), Dester et al.
patent: 5794940 (1998-08-01), Brueggmann
patent: 6012784 (2000-01-01), Oertley
patent: 6481807 (2002-11-01), Barani et al.
patent: 852044 (1952-10-01), None
patent: 7638967 (1977-04-01), None
patent: 7638967 (1997-04-01), None
patent: 2003558 (1993-11-01), None
patent: 002152488 (1994-09-01), None

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