| 摘要 |
The invention relates to reversible manually operated ratchets in which a yoke provided with separated pawl containing chambers is secured in a handle, a toothed gear and a reverse button are rotatably disposed in a large bore in the yoke and secured therein between opposing ears of the handle, separated pawls each pivotally mounted in the yoke are spring biased toward the teeth in the gear, a hexagonal chamber containing latching means in the gear secures a through hole socket open at both ends, and control faces on the periphery of the reverse button allow preselected pawl or neither pawl access to the toothed gear.
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