Talk:Positive locking device

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Does anyone know for certain why this concept uses "positive" in its name?
If so please add tat info to the article.

There's also "positive" in:

• "positive displacement pump" (synonym for Moineau pump) and
• "positive control" (in the context of factory automation lines as mentioned here at 1m10s).
  

It seems likely that these use "positive" in their names for the same reason.

Login Mechadense (talk) 11:57, 27 September 2022 (UTC)[reply]