Eccentric 1 rotates about fixed axis B. Link 2 has collar a encircling round eccentric 1. Cam 3 turns about fixed axis A. Link 5 has roller 4 and slides in fixed guides p-p. Spring 6 holds roller 4 in contact with cam 3. When eccentric 1 rotates about axis B, cam 3 oscillates about axis A, transmitting reciprocating motion to link 5.
$1697$LC,5L$