Manual gearshift device for automotive automatic transmission

Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements

Reexamination Certificate

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Details

C074S473180, C074S48400R

Reexamination Certificate

active

06948399

ABSTRACT:
A manual gearshift device for an automotive automatic transmission operative in an automatic shift mode in which a gear ratio is automatically varied according to driving conditions and a manual mode in which a gear ratio is manually changed is disclosed. The manual gear shift device, that is installed to spokes of a steering wheel extending in substantially diametrically opposite horizontal directions, comprises a first gearshift switch which is installed to one of the spokes at an obverse side of the steering wheel and provides a shift-up command signal and a second gearshift switch, desirably different in shape and operative direction from the first gearshift switch, which is installed to one of the spokes at a reverse side of the steering wheel and provides a shift-up command signal.

REFERENCES:
patent: 5335743 (1994-08-01), Gillbrand et al.
patent: 6053066 (2000-04-01), Ishii et al.
patent: 6409287 (2002-06-01), Leach et al.
patent: 43 11 852 (1994-09-01), None
patent: 0941886 (1999-09-01), None
patent: 6-17911 (1994-01-01), None
patent: 8-80759 (1996-03-01), None
patent: 9-226403 (1997-09-01), None
Patent Abstract of Japan vol. 018, No. 227 (M-1597), Apr. 25, 1994 & JP 06 017911 A (Mazda Motor Corp.) Jan. 25, 1994 *abstract*.

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