_ Oldham's coupling is the$?

1.	_ Oldham's coupling is the$?
A.	Second inversion of double slider crank chain
B.	Third inversion of double slider crank chain
C.	Second inversion of single slider crank chain
D.	Third inversion of slider crank chain
Answer» C. Second inversion of single slider crank chain

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_ Oldham's coupling is the$?

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