Automatic four-wheel drive transfer case

Details Automatic four-wheel drive transfer case Automatic four-wheel drive transfer case

1976-08-23

1978-04-11

Peters, Jr., Joseph F.

Motor vehicles

Steam traction engines

Spring mounted on axle

74665T, 74711, 192 44, 192 45, 192 4892, B60V 1726, B60V 1734

Patent

active

040834190

ABSTRACT:
A power transfer mechanism incorporated in a multiple path drive system comprises a transfer case disposed between a source of input torque and a pair of drive axles. The torque is transferred directly to the fixed axle and is transferred automatically to the steering axle through a double-acting overrunning clutch when required. The clutch is biased toward one engaged position and is prevented from locking inadvertently in the other engaged position by a direction-sensitive blocking device. Action of this device is timed in order to insure proper blocking.

REFERENCES:
patent: 1290031 (1919-01-01), Adler
patent: 2699852 (1955-01-01), Cost
patent: 2796941 (1957-06-01), Hill
patent: 3221574 (1965-12-01), Sampietro
patent: 3283611 (1966-11-01), Weismann
patent: 3295625 (1967-01-01), Ordorica
patent: 3300002 (1967-01-01), Roper
patent: 3481436 (1969-12-01), Wilkowski
patent: 3584713 (1971-06-01), Tani

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