Device for positioning and attaching an auxiliary snow-chain dev

Details Device for positioning and attaching an auxiliary snow-chain dev Device for positioning and attaching an auxiliary snow-chain dev

1989-03-17

1990-02-20

Bertsch, Richard A.

Motor vehicles

Traction wheel attachments

280757, 52222, B60C 2702, F16J 304, B60T 104

Patent

active

049018094

ABSTRACT:
The positioning and attachment of the auxiliary snow-chain device, intended to be arranged under a motor vehicle, is carried out with the aid of suspension locations, preferably three in number (101, 102, 103), which are integrally cast with a cage (1) housing means for driving a swivel arm (3) bearing a small wheel. Each suspension location is made up of a lug provided with a center bore (14) which is traversed by a threaded element having a diameter appreciably less than that of the bore. The top and bottom faces of each lug are rounded. The triangular arrangement of the lugs, which co-operate with components for integration with the vehicle, permits fine positioning at the same time as reliable attachment of the snow-chain device.

REFERENCES:
patent: 2283948 (1942-05-01), Ridgway
patent: 2790514 (1957-04-01), Robinson
patent: 3658158 (1972-04-01), Saupp
patent: 4751975 (1988-06-01), Rieger et al.
patent: 4800939 (1989-01-01), Torneback

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