| 摘要 |
An apparatus for producing a reset pulse for performing the printing operation of an impact printer. A cam is secured to a shaft of a type drum. The cam has a rising portion, lowering portion, and escape portion. A cam follower is mounted on a lever to engage with the cam. The cam follower has a large diameter portion and a small diameter portion, and a reset switch is provided to be operated by the lever to produce a reset pulse when the lever is rocked by the engagement of the cam follower with the lowering portion of the cam. |
