1937-1940 Rock-ola Lock & Key 7/8 inch - Bell Lock 37 RO 1 (C) For Sale

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During the years before 1948 theRock-ola Manufacturing Company used locks from two different companies - Bell Lockof Chicago andEPCO(TheElectrical ProductsCompany division of theEagle Lock Company). The 5/8 inch locks were used both as coin box locks and wall box locks which attached to metal. The longer 7/8, 9/8 and 11/8 inch locks were used on door or cabinet locations mounted on wood.

The Rock-ola key codes are largely a mystery to me. There is a wide variety ofone and two digit numbers ranging from 1 to 63 that precede the RO and I believe they mean something unknown to me.Inow believe the 60 and 61 seriesare post-war and arefor the 1422 and that the 62 and 63 series are for the 1426 and/or 1428. I have not yet seen any of these post war keys that have the Rock-ola name embossed on the reverse side as many of the earlier series keys are. At one time I thought the numbers following the RO just meant one more key in that series until I realized that 616 and 620 were being used on top lids and front and back doors on 1938 to 1940 models, or that almost all of the 616 keys - no matter the first number - are identical. Same goes for the 620 keys.

Please message me if you can shed any light on this mystery.

The lock offered here is from the37 ROseries which I believe date from1940 or earlier.
The distance from the inside edge of the front to the face of the cam is about 7/8 of one inch.

This is a good lock that works well with the original key that is included.