Joints and connections – Selectively engageable hub to shaft connection
Patent
1980-02-28
1982-06-29
Kundrat, Andrew V.
Joints and connections
Selectively engageable hub to shaft connection
192 50, 301128, B60B 2702
Patent
active
043370039
ABSTRACT:
A device provides free-wheeling four-wheel towing of an automotive vehicle without damage to its (especially automatic) transmission. It is easily insertable co-axially between the power-driven wheel-mounting structure and the removed and replaced wheel. It comprises a base plate, a shaft on the base plate, a hub rotatable around the shaft, and a second wheel-mounting plate fixed to the hub by short lug-screws. The free-wheeling can be locked-out by substituting long lug-screws for half of the short ones. The long lug-screws enter threaded bores in posts fixed to the base plate to lock-out the free-wheeling, and they are slightly thinner then the short lug-screws to facilitate their placement.
REFERENCES:
patent: 1904081 (1933-04-01), Pratt
patent: 3552813 (1971-11-01), Bresca, Jr. et al.
patent: 4089610 (1978-05-01), Kleespies
Kundrat Andrew V.
Staubly Ralph F.
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