Select system for an automatic transmission

Details Select system for an automatic transmission Select system for an automatic transmission

2006-10-03

2006-10-03

Ridley, Richard (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

C074S473100, C074S473120, C074S473240, C074S4710XY

Reexamination Certificate

active

07114410

ABSTRACT:
In a select system for an automatic transmission in which switchover between a mechanical automatic mode and an electrical manual mode is achieved by a lateral shift of a select lever, the select lever has an engaging protrusion extending a distance to one side, which remains inserted in an engaging groove opened in a rotatable linkage member. When the select lever is in the automatic mode, the linkage member is rotatable with the lever operation by engagement between the engaging protrusion and a part of the engaging groove so as to achieve mechanical transmission control of the automatic transmission. When the select lever is in the manual mode, the engaging protrusion, while disengaging from the part of the engaging groove, restricts rotation of the linkage member so as to prevent the mechanical transmission control. Thus, the select system can prevent an accidental release of the select lever from a gear position or an unexpected shift change of the automatic transmission, whether it is in the A/T mode or manual mode.

REFERENCES:
patent: 5622079 (1997-04-01), Woeste et al.
patent: 5845535 (1998-12-01), Wakabayashi et al.
patent: 6196080 (2001-03-01), Lee
patent: 6230579 (2001-05-01), Reasoner et al.
patent: 6295886 (2001-10-01), Russell
patent: 6325196 (2001-12-01), Beattie et al.
patent: 6401564 (2002-06-01), Lee
patent: 6431339 (2002-08-01), Beattie et al.

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