US6508425B2 - One-way pepper grinding tool - Google …
A one-way pepper grinding tool has an inner grinding part turnably received in a fixed outer grinding part. The inner grinding part is connected to a lower end of a shaft. The shaft is passed through a one-way member including a round turnable main body and a ratchet, and secured to a turning part of the one-way member. The main body is connected to a lever and a torsional spring such that ...