Motor vehicles – Having four wheels driven – With means for steering all driven wheels
Reexamination Certificate
2007-05-30
2011-12-06
Silbermann, Joanne (Department: 3611)
Motor vehicles
Having four wheels driven
With means for steering all driven wheels
C180S006640, C180S265000, C280S400000
Reexamination Certificate
active
08069942
ABSTRACT:
A device and a method for engaging and disengaging a longitudinal differential (10) disposed between a forward wheelshaft (4) and a rear wheelshaft (5) of an articulated vehicle (1) which has a front element (2) and a rear element (3) pivotable about a steering linkage (6) disposed between them and which comprises a distribution box (9) which supplies power from an engine (7) to the forward wheelshaft (4) in the front element (2) via a first shaft (11) and to the near wheelshaft (5) in the rear element (3) via a second shaft (12), wherein the longitudinal differential (10) is disposed between the first shaft (11) and the second shaft (12), whereby a steering angle v formed between the front element (2) and the rear element (3) is detected by a detection means (25a) so arranged that the detection means (25a) causes a differential brake (20) for the longitudinal differential (10) to be kept locked, or braked, when the detection means (25a) detects a steering angle v which is smaller than a predetermined steering angle V1.
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Atlas Copco Rock Drills AB
Silbermann Joanne
Stone Mark P.
Williams Maurice
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