Patent ID: 8113977

Claim:
A multiple speed automatic transmission comprising, in combination, an input member, an output member, a first compound planetary gear assembly including a first planetary gear assembly having first, second and third members and a gear assembly having first and second members, a third and a fourth planetary gear assembly each having first, second and third members, a first and a second chain drive assembly each including a chain drive sprocket, a driven chain sprocket and a sprocket engaging chain, a first connecting member for connecting said first planetary gear assembly and said chain drive sprocket of said second chain drive assembly, a second connecting member connected to said second gear assembly, a third connecting member connecting said first planetary gear assembly with said second gear assembly, a fourth connecting member connecting said first planetary gear assembly with said chain drive sprocket of said first chain drive assembly, a fifth connecting member connecting said driven chain sprocket of said first chain drive assembly with said third planetary gear assembly, a sixth connecting member connecting said driven chain sprocket of said second chain drive assembly with said fourth planetary gear assembly, said output member connected to said third planetary gear assembly and said fourth planetary gear assembly, a plurality of torque transmitting mechanisms selectively engageable to connect said input member to said first, second, third and fourth connecting members, said third connecting member to ground, said fifth connecting member to said third planetary gear assembly, said said third planetary gear assembly to ground, said sixth connecting member to said fourth planetary gear assembly and said fourth planetary gear assembly to ground.