Roller for a crawler type traveling vehicle

Details Roller for a crawler type traveling vehicle Roller for a crawler type traveling vehicle

2006-09-19

2006-09-19

Stormer, Russell D. (Department: 3617)

Wheel substitutes for land vehicles

With track support intermediate of end wheels

With roller support contacting lower track run

C305S129000

Reexamination Certificate

active

07108337

ABSTRACT:
To provide a roller for a crawler type traveling vehicle. The manufacture of this roller is streamlined by simplifying a structure for holding a seal mechanism between a bearing part and the outside and a thrust bearing and facilitating working while eliminating the need for welding. Roller pieces shaped to be axially separable are combined with a support shaft and formed integrally at a parting section (including a stepped engagement part and an external engagement part) by press fitting. The support shaft is provided with a projection for restraining the left and right roller pieces from moving in an axial direction.

REFERENCES:
patent: 1597340 (1926-08-01), Best
patent: 2080744 (1937-05-01), Rogers
patent: 4371362 (1983-02-01), Dorris
patent: 5302012 (1994-04-01), Dester et al.
patent: 6074023 (2000-06-01), Satou et al.
patent: 6280009 (2001-08-01), Oertley
patent: 6435629 (2002-08-01), Egle et al.
patent: 2002/0153773 (2002-10-01), Yoon
patent: U-04-78086 (1992-07-01), None

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