Grandads tools - Woodworking Talk - Woodworkers Forum
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post #1 of 14 Old 01-28-2019, 09:56 PM Thread Starter
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Grandads tools

Name:  89ABE37E-3AF4-4F66-BC6D-6BF730203400_1548730488925.jpg
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Size:  415.1 KBMy grandpa was a carpenter by trade and I inherited some of his hand tools. It is mostly hand drills, saw, chisels, etc. one tool stumps me as to its use. Does anyone know what this tool is? Thanks

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post #2 of 14 Old 01-28-2019, 10:03 PM
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Welcome to the forum! When you get a minute complete your profile with location so it shows in the side panel. You can add your first name to your signature line and it will show in each post.

Also, if you'll show the photo instead a link you'll get more input as to what the tool might be. Most guys don't want to click on a link, especially from someone they don't know.

Does the shaft turn when you crank the side handle? Looks like it could be some sort of a specialized spanner wrench of some sort but the shaft doesn't look like it turns.

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post #3 of 14 Old 01-29-2019, 04:13 AM
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That is a valve grinder, used to lap in engine valves.
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post #4 of 14 Old 01-29-2019, 04:46 AM
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My Dad used to grind valves, using grinding paste and a stick with a rubber suction cup on the end.
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post #5 of 14 Old 01-29-2019, 05:03 AM
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My Dad was an auto mechanic and also an aircraft engine and air frame (A&E) mechanic. He had a lot of tools for just about any type of mehanic work from the 1920 through the 1950's. Up until WWII he and a partner had their own garage. When the war started they closed the shop and went to Pope AB to work.



I never saw any tool that looked like that for valve work. Valve grinding is a precision job. I do not see how a hand held tool could have the accuracy required. What Dad used for valve work was a machine like you would see in a machine shop.


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post #6 of 14 Old 01-29-2019, 06:09 AM
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post #7 of 14 Old 01-29-2019, 06:24 AM
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Some old valves had slots in the head that that lapping machine would engage in. The needed back and forth motion must be provided by just turning the crank back and forth, not just in one direction.
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post #8 of 14 Old 01-29-2019, 11:43 AM
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Do an image search for hand crank valve resurfacer. You will see images very similar to the one shown and variations.
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post #9 of 14 Old 01-29-2019, 01:06 PM
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Quote:
Originally Posted by ducbsa View Post
Some old valves had slots in the head that that lapping machine would engage in. The needed back and forth motion must be provided by just turning the crank back and forth, not just in one direction.
It has been years since I had my hands on one but I believe simply by turning the crank in one direction there was a mechanism that rotated the end back and forth.

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post #10 of 14 Old 01-29-2019, 02:00 PM
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Frank's right about it being a valve grinder.
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post #11 of 14 Old 01-29-2019, 03:49 PM Thread Starter
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Thanks for the replies! Now I know!
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post #12 of 14 Old 01-29-2019, 04:08 PM
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Did a quick search and came up with a patent drawing, very simple mechanism actually:
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post #13 of 14 Old 01-29-2019, 09:16 PM
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I think its a coffee grinder for the early morning breaks

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Retired woodworker, amongst other things, Sold full time cruising boat and now full time cruising in RV. Currently in Somerville, Tx
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post #14 of 14 Old 01-30-2019, 08:57 AM Thread Starter
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Thanks! I just assumed it had something to do with carpentry since it was in the same box with all the other carpentry stuff.
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