Multi facet traction device

Details Multi facet traction device Multi facet traction device

1991-07-15

1994-02-08

Stormer, Russell D.

Wheel substitutes for land vehicles

Tracks or treads

With roller means

36 59R, 301 43, 152210, 305 35EB, B62D 5526

Patent

active

052843866

ABSTRACT:
A traction device including a bit having a penetrating surface for penetrating a riding surface. The penetrating surface defines the cross sectional area of the bit and includes a plurality of facets wherein each facet intersects a common vertex. In a second embodiment, the penetrating surface defines an oval cross section transverse to the direction of penetration into a riding surface, wherein the circumference of the cross section increases as the distance from the tip increases.

REFERENCES:
patent: 575662 (1887-01-01), Andresen
patent: 885205 (1908-04-01), Ulrich
patent: 1856320 (1932-05-01), Curtis
patent: 2061962 (1936-11-01), Gabriele
patent: 2714768 (1955-08-01), Badler
patent: 3014547 (1961-12-01), Van Der Lely
patent: 3180442 (1965-04-01), Pomeroy
patent: 3838894 (1974-10-01), Reedy
patent: 4332424 (1982-06-01), Thompson
patent: 4530620 (1985-07-01), McCartney
patent: 4758055 (1988-07-01), Anderson
patent: 4858697 (1989-08-01), Sherblom

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