Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1981-02-06
1984-07-31
Herrmann, Allan D.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
747105, 74714, 74665GA, 180250, 192 486, 192 47, F16H 144, B60K 1734, F16D 4704
Patent
active
044622716
ABSTRACT:
A multi-position positive clutch is disclosed for use with a between-front-and-rear axle (center) differential of a multiple drive axle vehicle. One clutch member is biased to an overrun position by a fork slideably biased on a piston shaft from a main piston which, when operated, moves to bias the one clutch member in an engaged position. An annular piston, slideable on the shaft, responds to vehicle fluid brake pressure above a predetermined minimum to disengage the clutch. Clutch teeth have a dovetail shape for camming the clutch plate into engagement whereupon switch means are operated to indicate the locked position as well as opposite rotation in the overrun position.
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Herrmann Allan D.
Mack Trucks, Inc.
Rolnicki Joseph M.
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