[Photos] Mitsumi standard mechanical Type 1 Two Fingers switches

I found this switches in an Olympia Startype typewriter:

olympia_startype_mitsumi.jpg

mitsumistandardmechanicaltype1_twofinger_parts.jpg

mitsumistandardmechanicaltype1_logo.jpg

mitsumistandardmechanicaltype1_twofinger.jpg
2ter
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Unread post09 Jan 2018, 00:13

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2ter
 
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I don't think this variation has been documented, wiki/Marquardt_Two_Fingers_Typewriter_switch . Seems like a higher quality version of the documented 2 finger switch.
codemonkeymike

Unread post09 Jan 2018, 02:25

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Wow, what a find! What date codes are there on the typewriter? If Mitsumi made the PCB, it should have a date label on it. Also, what codes are there on the PCB? I am hoping that there is something resembling known Mitsumi model numbers that would give us the series name of the switches. If existing patterns are anything to go by, the model should begin KC_-.

Also, being a typewriter, you're also likely to have a double-action switch in there somewhere. Mechanical shift lock is also possible.

codemonkeymike: it's this series — Mitsumi standard mechanical
Daniel Beardsmore
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Unread post09 Jan 2018, 08:20

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Daniel Beardsmore
 
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Daniel Beardsmore wrote:Wow, what a find! What date codes are there on the typewriter? If Mitsumi made the PCB, it should have a date label on it. Also, what codes are there on the PCB? I am hoping that there is something resembling known Mitsumi model numbers that would give us the series name of the switches. If existing patterns are anything to go by, the model should begin KC_-.

Also, being a typewriter, you're also likely to have a double-action switch in there somewhere. Mechanical shift lock is also possible.

codemonkeymike: it's this series — Mitsumi standard mechanical

Ah, my bad
codemonkeymike

Unread post09 Jan 2018, 22:46

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codemonkeymike
 
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Daniel Beardsmore wrote:Wow, what a find! What date codes are there on the typewriter? If Mitsumi made the PCB, it should have a date label on it. Also, what codes are there on the PCB? I am hoping that there is something resembling known Mitsumi model numbers that would give us the series name of the switches. If existing patterns are anything to go by, the model should begin KC_-.

Also, being a typewriter, you're also likely to have a double-action switch in there somewhere. Mechanical shift lock is also possible.

codemonkeymike: it's this series — Mitsumi standard mechanical

Unfortunately i got rid of the typewriter, but i guess it was made sometimes in 85, since there is a 84 on the PCB and a sticker with 1985 on the display Part that i kept:

IMG_20180110_004959.jpg

IMG_20180104_122351.jpg

IMG_20180110_005027.jpg

IMG_20180110_005032.jpg

IMG_20180110_005037.jpg


The switches are all the same, no special ones in this typewriter.
They feel a little wobbly, dirty and slightly tactile.
2ter
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Unread post10 Jan 2018, 11:01

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2ter
 
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So close and yet so far … it seems that all Mitsumi supplied was the switches.
Daniel Beardsmore
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Unread post10 Jan 2018, 18:16

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Daniel Beardsmore
 
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2ter wrote:I found this switches in an Olympia Startype typewriter:

mitsumistandardmechanicaltype1_twofinger.jpg


Please someone create a moving GIF of this switch, going up and down :evilgeek: .

Much Respect to a simple switch showing the World how it cares, onya.
Elrick
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Unread post13 Jan 2018, 09:04

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