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Forum topic by lumber_jerk posted 12-19-2017 01:09 AM 852 views 0 times favorited 19 replies Add to Favorites Watch
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lumber_jerk

14 posts in 513 days


12-19-2017 01:09 AM

Topic tags/keywords: mystery tool handtool gobbledy-goo

egg-beater crank style slotted “business end” cast iron crank & shaft, but cast brass handle/housing? **here’s the big mystery-
-3 sets of teeth on main gear —each set with a different amount of teeth (5, 6 & 7)
2 turning gears (top & bottom) alternate the direction of the shaft…back and forth-ish….but of course, since the teeth are uneven, it ultimately advances…maybe?...forget my description….please see pictures


19 replies so far

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Loren

10377 posts in 3643 days


#1 posted 12-19-2017 01:12 AM

You have to upload, then insert pictures on
Lumberjocks. It’s a 2-step process.

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lumber_jerk

14 posts in 513 days


#2 posted 12-19-2017 01:15 AM

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jbay

2278 posts in 894 days


#3 posted 12-19-2017 01:16 AM

hand powered hammer drill

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JohnMcClure

177 posts in 635 days


#4 posted 12-19-2017 01:18 AM

Is it possible this was once a kitchen implement? The reciprocating action seems like it would be more desirable in… well… an eggbeater…

-- I'd rather be a hammer than a nail

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Loren

10377 posts in 3643 days


#5 posted 12-19-2017 01:36 AM

Thing for driving a thread tap maybe?

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lumber_jerk

14 posts in 513 days


#6 posted 12-19-2017 01:42 AM

Each gear is not engaged at the same time…top always one way, bottom the other…and the crank only likes to turn in one direction- because of the 5/6/7…idk, I ain’t mathemortition!

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JohnMcClure

177 posts in 635 days


#7 posted 12-19-2017 01:53 AM

I like the tap idea.

-- I'd rather be a hammer than a nail

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lumber_jerk

14 posts in 513 days


#8 posted 12-19-2017 02:37 AM

I liked the hammer drill idea, but I can’t find any photo confirmation, and thin bit kerf makes no sense to me…. my cousin’s boyfriend thinks the gear teeth may have been ground down

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JohnMcClure

177 posts in 635 days


#9 posted 12-19-2017 02:49 AM

If the larger wheel had been fully toothed all around (and subsequently ground down), it wouldn’t have turned – the teeth at the top would have tried to drive the top cog clockwise, while the teeth at the bottom would have tried to drive the bottom cog counterclockwise.
If the teeth really were ground down to the current configuration, perhaps the two cogs had formerly had some ability to to be moved in or out of contact with the drive wheel one at a time.

Paint mixer?

-- I'd rather be a hammer than a nail

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jbay

2278 posts in 894 days


#10 posted 12-19-2017 02:54 AM

^paint mixer sounds about right.

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runswithscissors

2750 posts in 2020 days


#11 posted 12-19-2017 04:02 AM

If it had a rubber suction cup at the business end, I’d say it was a tool for lapping valves in a flathead engine. I know that a tool for that purpose does (or used to) exist.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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bigblockyeti

5112 posts in 1716 days


#12 posted 12-19-2017 05:12 AM

I wonder if it’s really (really) old, perhaps it’s to drive a bidirectional spoon bit?

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bold1

293 posts in 1842 days


#13 posted 12-19-2017 11:56 AM

Valve lapper. Last one I saw listed on the web the guy was asking $100. Don’t know if anyone would give that for it or not.

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Tennessee

2872 posts in 2509 days


#14 posted 12-19-2017 01:43 PM

+1 for the valve lapper.

-- Tsunami Guitars and Custom Woodworking, Cleveland, TN

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lumber_jerk

14 posts in 513 days


#15 posted 12-19-2017 08:31 PM

Awwwe, a mechanic’s tool? Great! Now my truck has valves…..She’s probably unlapping ‘em all right now. I ain’t got time for this nonsense…. paint-mixer it is

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