I'm designing a ratchet handle with gears to rotate something 90 degrees in either direction, but I want a safety in the form of a ratchet. I've found two ways to have a two-sided ratchet here: http://books.google.com/books?id=T-kgAAAAMAAJ&pg=PA135&dq=%22when+the+arm+swings+in+the+opposite+direction%22 Namely, C and D, but I can't find a vendor that sells them. I might have to design and machine type C. Are there other options if I want a method to allow ratcheting in either direction, or are there vendors that sell these pawls?

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Suggestions to Ratchet Two Sides

Thread starter redtricycle
Start date Aug 2, 2007

Status: Not open for further replies.

Aug 2, 2007

redtricycle

Mechanical

I'm designing a ratchet handle with gears to rotate something 90 degrees in either direction, but I want a safety in the form of a ratchet.

I've found two ways to have a two-sided ratchet here:

http://books.google.com/books?id=T-...hen+the+arm+swings+in+the+opposite+direction"

Namely, C and D, but I can't find a vendor that sells them. I might have to design and machine type C.

Are there other options if I want a method to allow ratcheting in either direction, or are there vendors that sell these pawls?