Locking device for selector lever of automatic transmission to prevent car driving without wearing safety belt
AssigneeNissan Motor Co., Ltd.
InventorTakahiro Yamamori
Life of this patent
Estimating the term…
Abstract
A solenoid plunger and a retaining hole lock a selector lever inoperative when the transmission is in the neutral or parking position and a safety belt of a driver's seat is not worn, without hindering the car engine from being started. A switch unrelated to engine ignition and responsive to the wearing of the safety belt governs a current flow through the solenoid, so that the selector lever becomes operative when the safety belt is worn.
Claims3
A device for preventing an automobile automatic transmission from being shifted from one of the neutral and parking positions until a predetermined procedure for safety is carried out, the transmission being provided with a linking lever for range selection thereof and a manual selector lever for moving the linking lever, the device comprising:
- a solenoid plunger attached to said selector lever,
- a receptacle formed in said linking lever, said linking lever being normally disengaged with said selector lever, and
- a control means arranged to cause said plunger to be received in said receptacle when said predetermined procedure is carried out, and thereby connect said linking lever and selector lever together and in which said predetermined procedure is the wearing of a safety belt of a drivers seat.
Dependencies are inferred from the claim text.