Link 1, rotating about fixed axis A, is connected by a three-motion kinematic pair to link 2. This pair consists of three spherical surfaces a, b and c of link 1 which contact three flat surfaces e, f and d of link 2. Link 2 is connected by a two-motion kinematic pair to link 3. This pair consists of three spherical surfaces g of link 3 which contact two flat surfaces and one cylindrical groove h of link 2. Link 3 rotates about fixed axis B and its spherical surface g slides along cylindrical groove h of link 2. The mechanism transmits rotation between any two arbitrarily located axes A and B.
$570$LW,4L$