Electrically-operated parking brake device

Brakes – Vehicle

Reexamination Certificate

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Details

C303S020000

Reexamination Certificate

active

06997289

ABSTRACT:
When a shift position is shifted from an R range to a D range and when the shift position is shifted from the D range to the R range, an electrically-operated parking brake device is automatically cancelled. In this manner, the electrically-operated parking brake device is cancelled without waiting for the depression of an accelerator pedal with a driver's intention to start a vehicle taken into consideration. Therefore, it is possible not only to alleviate a burden on the driver in canceling the electrically-operated parking brake device, but also to prevent an abrupt starting of the vehicle due to the cancellation of the electrically-operated parking brake device while the accelerator pedal is being depressed to transmit a large driving force to driven wheels.

REFERENCES:
patent: 2550403 (1951-04-01), Carmichael
patent: 2725131 (1955-11-01), Martin
patent: 3119477 (1964-01-01), Ryder
patent: 3593815 (1971-07-01), Inoue
patent: 4281736 (1981-08-01), Lizzio
patent: 4553650 (1985-11-01), Warwick et al.
patent: 6631796 (2003-10-01), Yanaka et al.
patent: 6662909 (2003-12-01), Taniguchi
patent: 2 813 837 (2002-03-01), None
patent: 5-9973 (1993-03-01), None
patent: 07-144623 (1995-06-01), None
patent: 07 144623 (1995-06-01), None

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