Trackhoe anti-skid device

Details Trackhoe anti-skid device Trackhoe anti-skid device

2006-01-10

2006-01-10

Le, Mark T. (Department: 3617)

Railways: surface track

Portable track

Traction mats

Reexamination Certificate

active

06983891

ABSTRACT:
A trackhoe anti-skid device for reducing lawn damage having a bottom traction plate a spike connected to the bottom traction plate for frictionally engaging conventional earth. A top traction plate boltable to the bottom traction plate for adjusting the width.

REFERENCES:
patent: 1258466 (1918-03-01), Robertson
patent: 3357639 (1967-12-01), Peterson
patent: 3640459 (1972-02-01), Preister
patent: 3749309 (1973-07-01), Becker
patent: 4261510 (1981-04-01), Andrus
patent: 4265399 (1981-05-01), Covington
patent: 4534508 (1985-08-01), Willner, Jr.
patent: D315326 (1991-03-01), Pinto
patent: 5822918 (1998-10-01), Helfman et al.
patent: 6520420 (2003-02-01), Singh

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