Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1985-12-16
1987-10-06
Czaja, Donald E.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
7100, 7138, 811211, 105 291, 152218, 152220, 152228, 180 921, 238 14, 301 44T, B60C 2704
Patent
active
046976280
ABSTRACT:
A traction device for use in extracting mired dual wheeled vehicles from a mired condition comprising a block assembly having a plurality of tower members for attachment to and between the wheels of the mired vehicle and a plate assembly for operative engagement by a rotating block assembly to move the mired vehicle to a freed location. The tower assemblies can be quickly dismantled to a transportable size, and readily assembled and installed for needed operation.
REFERENCES:
patent: 986099 (1911-03-01), Sprung
patent: 1606622 (1926-11-01), Fogarty
patent: 2312486 (1943-03-01), Riesen
patent: 2454005 (1948-11-01), Pletch
patent: 2557241 (1951-06-01), Silver
patent: 2992863 (1961-07-01), Fredricks et al.
patent: 3532149 (1970-10-01), McCord
patent: 3630440 (1971-12-01), Sams
patent: 3672422 (1972-06-01), Greipel
patent: 3750734 (1973-08-01), McCord
patent: 4459716 (1984-07-01), Valadez
Bokan Thomas
Czaja Donald E.
Mybeck Richard R.
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