Change speed multiple axle shift lock out

Details Change speed multiple axle shift lock out Change speed multiple axle shift lock out

1981-08-07

1984-02-21

Braun, Leslie A.

Motor vehicles

Having four wheels driven

With differential means for driving two wheel sets at...

747105, 74713, F16H 144, F16H 140

Patent

active

044324316

ABSTRACT:
An improved control system for a change speed multiple drive axle assembly, such as a tandem axle assembly (10), having a lockable interaxle differential (35) is provided. The improved control system (306) permits engagement and disengagement of the interaxle differential lockup in either the high or low speed ranges of the tandem axle mechanisms (11 and 12) and includes means to sense actual and/or impending engagement (96) of the interaxle differential lockup (84) to prevent operator shifting of the axle shift selector switch (150).

REFERENCES:
patent: 2948370 (1956-04-01), Winther et al.
patent: 3000456 (1961-09-01), Christie
patent: 3146842 (1964-09-01), Nelson et al.
patent: 3368638 (1965-08-01), Terry et al.
patent: 3388760 (1965-12-01), Christie
patent: 3448635 (1967-03-01), Nelson
patent: 3650349 (1972-03-01), Cleveland et al.
patent: 3788166 (1974-01-01), Hart et al.
patent: 3871249 (1975-03-01), Jeffers
patent: 4280583 (1981-07-01), Stieg

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