Multi-speed transmission with countershaft gearing arrangement

Machine element or mechanism – Gearing – Interchangeably locked

Reexamination Certificate

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Reexamination Certificate

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07987740

ABSTRACT:
A transmission includes an input member, an output member, a first and second interconnecting member, a plurality of countershafts, a reverse member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices include synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and a plurality of forward speed ratios between the input member and the output member.

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