[1171]. Intermittent circular motion by revolving pawl and detent.

[Larger plate.]

[1172]. Spanner ratchet; a simple spanner having a pin near one end of one of the jaws which slips into the teeth of the ratchet wheel.

[1173]. V pawl; operates by wedging itself between the V flanges.

[1174]. Gravity pawls and ratchet wheel.

[1175]. Ratchet wheel, used to govern the striking gear of a clock.

[1176]. The pawl is hinged to the jointed end of the lever, and is pulled out of gear by the return movement of the rod—silent feed.

[1177]. Pawl and rack.

[1178]. Roller and inclined segmental recess for silent feed motion.