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Re-Pop driver's seat frame

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Hiker View Drop Down
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    Posted: 06 Dec. 2019 at 1:56pm
My '47 came with a pair of bubba-fied seats, no tool box and stitched in floor panels that pieced together what was left of the original floor.  The PO that did the floor was a pretty good welder, considering what he must have had to work with.  The seats are another story.

I just received a pair of MD Juan seat frames and tool box, and besides a modest amount of "re-engineering" to the box, everything looks like it'll work.  Except for the nut (?) that (I think) should have been captured inside one of the horozontal crossmembers of the driver's seat; the nut that would accept a bolt from the wheelhouse.  

If anyone has had to deal with this repo seat problem, I'd appreciate some advice on how to add the missing nut.  The seat bar just crosses the location of the wheelhouse hole.

Drill a hole in the tube and weld a nut on the outside?  This would make the seat frame sit a bit "proud" of the support bracket, so if anyone has a better idea, I really would appreciate it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TERRY Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec. 2019 at 2:23pm
Drill and tap the hole.
BOULDER 48 2A
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Post Options Post Options   Thanks (0) Thanks(0)   Quote athawk11 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec. 2019 at 3:55pm
Cut a hexagon shaped hole in the seat frame tube, just big enough to slip in the nut.  Stick a bolt in the nut and insert it in the hexagon hole.  While holding the bolt, weld the edges of the nut to the seat frame tube. 

EDIT:   OR...

Drill a hole all the way through the seat frame.  Use a carriage bolt through the frame and a nut in the wheel well.  


Edited by athawk11 - 06 Dec. 2019 at 4:01pm
1- 1946 CJ2A   
2- 1949 CJ3A
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WeeWilly Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec. 2019 at 4:36pm

   Use a rivet nut.

    Jim
47 CJ2A (Ranch Hand) 48 CJ2A, 48 Willys truck, T3C 3782, M274 (Military Mule)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hiker Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec. 2019 at 5:19pm
Great replies!  Thanks for the ideas, especially the rivet nut;  I had never heard of them but looked it up and got educated.  If the nut would collapse around the curved surface inside the tube, that would work really nice.  Drill and tap would be easy but not much "meat" for threads....cut a hole for a hexagon (or square) nut I like as well.  Thanks guys.  Great forum.

How was an original seat frame configured?  Did it really have a nut on the inside of the tube?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Squishymonster Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec. 2019 at 11:12pm
As far as tapping, you can buy rod steel from menards etc, drill a round hole, and weld it in. Then drill and tap that. It's like the bolt idea but will save you some metal file work.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Squishymonster Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec. 2019 at 11:14pm
Pretty sure I've also seen seat frames where the bolt head is cut off and the threads welded to the seat frame. Then when mounting the seat, you stab the bolt into the wheel well first ,and nut the back of it. I haven't tried it myself though.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hiker Quote  Post ReplyReply Direct Link To This Post Posted: 07 Dec. 2019 at 8:14am
Squishy;  Thanks for the suggestions, especially the piece of rod steel as an insert to be tapped.  What about drilling a hole for tapping a'la your's and Terry's suggestions, then goobering a bunch of JB Weld inside the tube (with a bent nail or piece of wire....), then redrill and tap?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TERRY Quote  Post ReplyReply Direct Link To This Post Posted: 07 Dec. 2019 at 10:13am
I don't think there would be much force in a direction that would pull the bolt out of the frame, maybe even a well nut would work.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hiker Quote  Post ReplyReply Direct Link To This Post Posted: 09 Dec. 2019 at 6:54am
Terry;  Thanks for the suggestions, I think I'll try the "drill a hole and tap it" method first.  Easy, and like you say, there isn't much force on the bolt.  It should hold just fine.  If not, I can add one of the other blind fasteners.  Thanks a million.
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