| 摘要 |
An anti-kickback and hold down device having provision for mounting on and removal from a saw availed of for ripping material, primarily wood, and including a spring pressed wheel to engage the material being ripped, thus enabling ripping of wood of widely varying thickness, and preventing reverse movement of the wood caused by the saw itself, and effected by ratchet elements controlling the wheel operation, which are able to be positioned in varied longitudinal alignment, as well as to release or disable the ratchet at will, axial alignment of the wheel providing for holding the material being ripped, against a fence or like guide during the ripping operation.
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