Intermittent feeding mechanism

摘要

An intermittent feed mechanism has a counting wheel and a cam balancer mounted on the counting wheel and having a hole. A feed pawl is mounted on the cam balancer and has a spring portion and a pawl portion. The pawl portion of the feed pawl has a protrusion disposed in the hole of the cam balancer and pressed against an edge portion of the hole by a biasing force of the spring portion.