Homemade bar clamp with reversible action

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Project by Alask posted 06-28-2014 12:23 AM 4606 views 7 times favorited 3 comments Add to Favorites Watch
Homemade bar clamp with reversible action
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Hello fellows,one more time I want to share with you a bar clamp I finished three days ago.

It Works very well and the force is big.All twood used here are free from “garbage”.

For use at reverse configuration (for disassemble a chair for example) I made a ” special wrench” for tight and loose the screw during use.

The bar size is:45”x2”x1”.I found this bar at garbage and made only the holes.

Starts here:

Transfering lines

The wheel handle.The size of wheel is 2”

The round grooves has 3/8” diameter

Hole for threaded rod (5/8” diameter)

Hole for lock pin

Hole for lock screw

Holes at bar

Front wheel.The diameter of screw is 5mm

Some pictures with sizes

8 3/16” long.The rod can be small for disassemble jobs.I made it too long

Finished.This is normal configuration

You can change the positions of jaws for better convenience (work in small pieces)

Handle.The dowels lock at groove and transfer the power

This is reverse action configuration.Here I use a “special wrench” for tight and loose.A ratchet wrench add the necessary leverage and permit reverse quickly.The “special wrench” dosen’t touch the bar during use.

Here at leveling configuration.For this use the jaw has to be flush with the bar (this was the first hole I did at bar)

The nut and bolt are glued so you can reverse without trouble about loose the nut.

Thanks for attention

3 comments so far

View Gary Lundgren's profile

Gary Lundgren

81 posts in 2296 days

#1 posted 06-28-2014 04:40 AM

Great idea! Have any plans to share?

-- GaryLundgrenCrafts

View Alask's profile


96 posts in 2463 days

#2 posted 06-28-2014 07:55 PM

Hello thanks for comments.I don’t have a plan because I made using the wood I had at that time.I made more pictures with sizes so you can copy.

The two most dificult job here is to find the center for threaded rod and make the grooves at wheel.

Feel free to ask anything you need to know about it.

Thanks one more time.

View bushmaster's profile


3940 posts in 3086 days

#3 posted 06-29-2014 01:22 AM

very nice set of pictures. i like the handle extension for the knob. well done.

-- Brian - Hazelton, British Columbia

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