Machine element or mechanism – Gearing – Interchangeably locked
Reexamination Certificate
2004-01-23
2008-10-21
Pang, Roger (Department: 3681)
Machine element or mechanism
Gearing
Interchangeably locked
Reexamination Certificate
active
07437966
ABSTRACT:
An internal control device for a mechanical gearbox including first and second input clutches which, respectively, control transmission from engine torque towards first and second primary concentric shafts bearing; stationary pinions; two output shafts supporting idle pinions which are driven respectively by the first and second input shafts; and a mechanism for jaw clutching the idle pinions, which are actuated by an assembly of shift forks. All of the gearbox ratios are selected and switched by a common selector including a selector cylinder and a switching carriage which is concentric to the cylinder and which is disposed therein.
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Maillard Jean Pierre
Raoul Michel
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Pang Roger
Renault S.A.S.
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