Marked Chrome Alloy with patent number 1981525, this SK made model number 4270 is Branded for TIGER TOOLS. Finish is chrome plated. Length is just over 10in.
The ratchet is stamped with the model number "10570" and "The Sherman-Klove Co. Chicago, USA" on both sides of the handle.
This ratchet is based on the Reub patent 2977825 and made during the Wayne era of 1964 through about 1970.
Although this ratchet has patent no. 1,981,526 on it the internals seem to be of the 2,232,477 patent. Probably replacement internals for a worn out set.
Note that this ratchet is stamped Patent Pending.
Patent no. 2,232,477 marked on handle
This ratchet is a Patent Pending version of the fine-tooth 42470. Here's a link to an interesting forum thread on The Garage Gazette discussing this very ratchet.
This ratchet is an older model 42470 Patent Pending.
The patent was applied for/granted in 1936/37.
50 tooth count.
The mechanism and direction switch are different from the common 42470.
The switch is also direction labeled R/L.
Date code has been cut off during machining if internal gear. Whats left looks to be possibly 80
Patent no. 2,232,477 on Handle
Patent no. 2,232,477 on handle.
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