d42jeep
Well-known member
Judging by the patent information, between 1939 and 1941.
-Don
US Patent: 2,232,477 - Ratchet Device
US patent 2,232,477 Ratchet Device was issued to Theodore O. Rueb of Chicago, IL. It was granted on 02/18/1941. Glenn S. Noble - patent attorney {br}The outer disc has an inwardly extending skirt with a notch. The notch engages the stub lever on the stub pin wh
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