Locks – Special application – For automotive vehicles
Patent
1987-08-25
1989-01-03
Gall, Lloyd A.
Locks
Special application
For automotive vehicles
70 55, 295251, 224 4223, 248551, 248553, B62D 4304
Patent
active
047947713
ABSTRACT:
A device and method for locking spare tires, such as spare tires which are raised and lowered by a winch mechanism on the undercarriages of vehicles. The device in one embodiment includes first and second flanges, which may be part of a yoke saddled over a support member, such as the shaft connected to the spare tire winch mechanism. The flanges have holes through which an upper segment of a shaft is placed and held. The lower segment of the shaft typically passes through the lug hole of the wheel, below which a lock housing is coupled to the shaft. A plurality of grooves are provided in the shaft to allow the lock housing to be placed at various positions therealong to accommodate various tire and wheel size combinations. The upper segment of the shaft may include core and tab portions which engage a hole in one of the flanges when the upper segment of the shaft is rotated in the hole. This may be accomplished using a tab having a chorded circle shape corresponding to a chorded circle profile of the hole. A resilient member, such as a poly-foam gasket, may be provided along the top of the lock housing to reduce rattling and to provide a seal against dirt and water entering the lock housing. The shaft may have a bend between the upper and lower segments.
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