Chap 6 intermittent mechanisms Chap 6.1 Ratchet mechanisms Chap 6.2 Geneva mechanisms Chap 6. 3 Cam-type index mechanisms Chap 6. 4 Intermittent gearsetChap.6 intermittent mechanisms Chap.6.1 Ratchet mechanisms Chap.6.2 Geneva mechanisms Chap.6.3 Cam-type index mechanisms Chap.6.4 Intermittent gearset