Crawler shoe with peening pads in roller path

Details Crawler shoe with peening pads in roller path Crawler shoe with peening pads in roller path

2005-08-16

2005-08-16

Stormer, Russell D. (Department: 3617)

Wheel substitutes for land vehicles

Tracks or treads

With guide means for interfitting with sprocket wheel or roller

C305S198000, C305S201000

Reexamination Certificate

active

06929335

ABSTRACT:
Each crawler shoe comprises a main body having an upper surface, a lower surface, and opposite lateral sides and opposite front and rear sides. Each crawler shoe further includes a mechanism on the main body for articulately and releasably connecting the crawler shoe to an adjacent crawler shoe. Each crawler shoe further includes a roller path on the upper surface of the main body and drive lugs attached to the upper surface of the main body on opposite sides of the roller path. Each crawler shoe further includes an upward extending peening portion so that when a downward force is applied to the peening portion, unrestricted metal flow at the peening portion can occur in a first horizontal direction and in a second horizontal direction greater than 45 degrees from the first horizontal direction. More particularly, the peening portion is greater than 0.1 inch tall, and, in the preferred embodiment, about 0.25 inches tall.

REFERENCES:
patent: 1474967 (1923-11-01), Heine
patent: 1976526 (1934-10-01), Tracey
patent: 2167039 (1939-07-01), Ekbom
patent: 3359044 (1967-12-01), Boggs
patent: 4139240 (1979-02-01), Profio et al.
patent: 4278301 (1981-07-01), Gregor et al.
patent: 4433874 (1984-02-01), Melvin
patent: 6220378 (2001-04-01), Oertley et al.

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