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Vault Door Design

Vault Door Design

Vault Door Design

(OP)
I think this would be the best forum to ask this... I am design a hatch the locks with a mechanism similar to a bank vault, i.e. having a centrally located hand wheel which when turned advances a series of radial pins outward.  I am not sure how the gear arrangement should be designed.  If anyone has any insight or links to information, regardless of how general, all would be appreciated.  A series of sample photos from the twenties can be viewed from the following link.

http://www.clev.frb.org/bicenten/door.htm

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