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Interlocking joints

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  • Interlocking joints

    I have posted this on another site, so if it looks as if I'm repeating myself, I am.
    Been out with the LOML looking at antiques. Saw a piece proported to be well over a hundred years old which had interlocking joints on the drawers. I was just wondering if anyone knew how long these joints have been used. I'm used to seeing dovetails. The piece overall appeared to be from the 1880's, just not sure if the drawers were replaced or they used that particular method of joinery at that time. If you have an idea please let me know.

  • #2
    If it looks like this, according to Paul Lewis of Canadian Home Work Shop
    "That's a Knapp joint, dating your chest of drawers to between 1867 and 1900. I've also heard it referred to as a pin-and-scallop and pin-and-crescent. They're pretty common and machine-made. Possibly the industrial revolution's answer to the hand-cut dovetail.

    Just google "Knapp Joint" and you'll get more info than you probably need!

    -Paul"

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    • #3
      The photo shows a very intersting joint. Half round with a full round. Obviously all hand made with pin chisels in the time period, or specially shaped chisels. Wish I was retired so I had time to play around and try and find ways to duplicate this joint. I see it as a nice sunday afternoon challange and would love to make a drawer with this style.

      Does anyone know why this joint hasn't made it past the turn of the previous century? Wood movement? Glue failure? Not profitable?
      John E. Adams<br /><a href=\"http://www.woodys-workshop.com\" target=\"_blank\">www.woodys-workshop.com</a>

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      • #4
        Those are interesting but the ones I saw looked similar to the interlocking miter joint, except there was not 45.

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        • #5
          I think you will find this artical very interesting ( I sure did ). The joint is machine made and went out when machine cut dovetails came in.
          http://www.cpfmg.org/Articles/The_Knapp_Joint.html
          you can still order the complete kit from woodworkers supply $195
          http://woodworker.com/cgi-bin/FULLPR...57660284040--1

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          • #6
            tcaniff .. can you post a picture for us or email it to me and I can post it for you

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            • #7
              Interesting article. Still like to try the my hand at making it by hand!
              John E. Adams<br /><a href=\"http://www.woodys-workshop.com\" target=\"_blank\">www.woodys-workshop.com</a>

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