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Ratchet Handle Valve Key Makes Job Easier
Author(s) -
Pirino John J.
Publication year - 1984
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.1984.tb00346.x
Subject(s) - ratchet , key (lock) , variable (mathematics) , computer science , ratchet effect , computer security , artificial intelligence , mathematics , chaotic , mathematical analysis
This ratchet handle, variable‐height valve key was designed to prevent back injuries and other strains that often occur while using a conventional valve key. Construction details are provided.