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27-4-2022 13:24:39  #1


Vibrator fulcrum lift mechanism question...Who and When?

I have always been under the impression that modern Japanese typewriters were the first to popularize this simple yet very efficient way of lifting the vibrator on the key stroke. That may be wrong.  I have two Brother JP-7's  from 1975 and 1978 that have this.  I also have an Olivetti Studio 45 made in Spain that has this from 1972. I did some brief research through Google and there may have been some early patents in the 1900's that address this but I am really interested in which company developed and popularized for the masses and when.  Does anyone know? 

 

01-5-2022 19:04:59  #2


Re: Vibrator fulcrum lift mechanism question...Who and When?

Just from looking at photos on the TWDB, I think I see such a right-side fulcrum lever on Hermes Baby machines from the 1930's...but I do not have such an old one...so cannot say with any certainty.
 

 

04-5-2022 10:50:47  #3


Re: Vibrator fulcrum lift mechanism question...Who and When?

MartinD,

This Olivetti Lettera 22 made in 1950 looks to have that ribbon lift lever on the right side as well.

Will have this machine home in about 1 week...to confirm.
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