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The long arm of the clamp...

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Project by ghazard posted 1599 days ago 2136 views 6 times favorited 7 comments Add to Favorites Watch

The long arm of the clamp. I needed a way to apply some linear pressure to the squares for my chess board during glue up. “C” clamps or other “twist” clamps I’m afraid will tweak the squares plus I don’t have or know of any that have the kind of reach needed.

There is a t-nut on the underside of the baseplate to accept the threaded rod. Then I screw the baseplate down to anchor the rod. Threading a wing nut applys pressure to the bar that is “hinged” by resting it on a block..to the right in picture 1. The you get downward clamping pressure on the other end.

Works like a charm!

I haven’t started glue up on the board yet and the clamp is already coming in handy.

Thanks for looking.

Greg

-- "Hey, you dang woodchucks! Quit chuckin' my wood!"





7 comments so far

View KnotCurser's profile

KnotCurser

1796 posts in 1669 days


#1 posted 1598 days ago

Great Idea! This is one of those ideas that you slap yourself on the forehead and wonder why you haven’t thought of that years ago!

Actually, if you would put a slot in the end of the bar that presses down (or even drilling some multiple holes along the end), you would have a greater range of location without having to move your work all the time – you could shorten/lengthen the bar instead. Make sense???

Most certainly Favorited – thanks!

-bob

-- Robert Rhoades WoodWorks / Email: rrww@rhoadesclan.com / www.rhoadesclan.com

View Chase's profile

Chase

448 posts in 1627 days


#2 posted 1598 days ago

you can make the back end longer too if you need more clamping. yay leverage!

-- Every neighborhood has an eccentric neighbor. I wondered for years "who was ours?" Then I realized it was me.

View patron's profile

patron

12961 posts in 1942 days


#3 posted 1598 days ago

great idea ,

kind of like ’ remote control ’ clamping !

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View PineInTheAsh's profile

PineInTheAsh

401 posts in 1869 days


#4 posted 1598 days ago

Greg,

The patent office is open all day today.

Best,
Peter

View ghazard's profile

ghazard

379 posts in 2110 days


#5 posted 1598 days ago

Thanks guys. I intend to add additional holes for the rod to add adjustment and clamping force…but my cordless drill ran out of juice and I ran out of time last night! I thought about slots but I didn’t want to reduce the stiffness of the bar. With the long leverage as in the pictures it deflects more than I thought it would. I’ll probably shorten up the reach to stiffen the bar and get a little more clamping from it when I start gluing the blocks.

Greg

-- "Hey, you dang woodchucks! Quit chuckin' my wood!"

View jockmike2's profile

jockmike2

10635 posts in 2847 days


#6 posted 1598 days ago

Great idea.

-- (You just have to please the man in the Mirror) Mike from Michigan -

View jayjay's profile

jayjay

639 posts in 1646 days


#7 posted 1598 days ago

Pretty clever, thanks for sharing.

-- ~Jason~ , Albuquerque NM

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