Anti-skid device

Details Anti-skid device Anti-skid device

1987-07-06

1989-01-31

Simmons, David

Resilient tires and wheels

Tires, resilient

Anti-skid devices

92 40, 152231, 180 16, 188 4B, 254 105, 280757, 301 42, B60C 2702, F16J 304

Patent

active

048009393

ABSTRACT:
A chain-carrying pulley (1) is journalled on a shaft (3) fastened to an arm (4) pivotally connected to another arm (5) which in turn is rigidly fastened to the rear axle casing (6) of a vehicle. An inflatable bellows (7) extends between the arms. When inflated, for instance by pressurized air, the bellows displaces the movable arm (4) from a folded position relative to arm (5) bringing the pulley (1) into contact with the wheel. The pulley is returned to a storage position by springs (10) joined to the arms when the bellows is deflated.

REFERENCES:
patent: 1909890 (1933-05-01), Phillips
patent: 2610824 (1952-09-01), Grier
patent: 3202061 (1965-08-01), Johnston
patent: 4299310 (1981-11-01), Torneback
patent: 4657118 (1987-04-01), Andersson

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