Tool Cupboard Drawer Joint Detail

Question:

Could you explain more about the joinery for the back of the drawer or tell me where you explained it in more detail? Thanks…I love your work and philosophy.

Bob

Answer:

DSC_0244In the UK it has long been common practice for work drawers to use a housing dado at the back of drawers, so that you can extend the sides and create the ability to cantilever the drawer and see right to the back while keeping the drawer secure and safe in the enclosed recess.The length of the extensions either side depend on the length of the drawer and the space you need inside the actual drawer. If you are indeed very limited then you would most likely choose to use a common dovetail joint because that maximises the volume. So I use it on all my drawers for these reasons alone. What you and others picked up on was a deviation from the normal common dado.

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I have tills at the end of my workbench that have common through dovetails to the back corners because of the restricted length I can afford the tills or drawers. I have to warn my students at the start of each class that the drawers are only 8″ long and if they pull them out they must pick up every piece and put them back as they were (which of course is impossible). In my day no man would ever have touched another man’s treasured tool boxes or drawers, but today it seems that people feel they have that right. It is very irritating but it happens. When it does, it is almost always very embarrassing for the person if i have not had chance to warn them.

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The housing dado alone does of course work but I always felt it just lacked the certainty of mechanical strength dovetails give even though I have never had a housing dado turn loose in 50 years. About 25 years ago I began incorporating a tenon into the housing dado. I felt it extended the length of the joint to give added resilience. Then I started to twin the tenons on wider drawer backs because it assured the customers of an extra measure in my work. I then added wedges, one or two depending on mood swings, wood type, joint size and so on. No formula here. This meant that I originally cut my mortise or mortises dead to gauge lines and then opened the outside extremes of the mortise to leave a slight gap each side. Driving in a wedge or wedges created a dovetailed tenon so this was when I developed a dovetail-tenoned housing-dado joint.DSC_0259

The housing dado in this case is but 3/16″ deep, the same depth as the drawer bottom groove. Using the through tenon means you need not have a deep housing dado unless you want to. As you can see here, I don’t always wedge the tenons as I feel it might not be necessary or appropriate but there may not be much logic to my decision. My choice for twinning the tenons is usually based on drawer depth and so width of back piece.DSC_0261

I like to incorporate small details into my work. It’s a pleasing surprise for customers, friends and associates and somehow triggers appreciation for the extra measure. This joint takes about the same time as a through dovetail so it does not create excess work. Beyond that I just love the way it has function, comes together, works, looks, everything about it.DSC_0013

7 comments on “Tool Cupboard Drawer Joint Detail

  1. Thanks for the info!!! I never noticed a drawer with that detail and I appreciate the explanation. It makes sense now why you did it that way. I’m drawn to the extra details in your work. They show the extra time and workmanship you put into every piece which adds to the total project.Thanks again…I’ve been following you for some time but never commented before.

  2. Dear Mr. Sellers,

    Seeing your explanation of the drawer joint reminded me of a question I asked some time back. Do you have a video or written explanation, explaining the details of wedging tenons? I don’t remember seeing this anywhere, but perhaps I have missed it.

    Thanks, as ever, for all the time you put into sharing your knowledge and expertise.

    • Seems like it is time to make it clearer. My next book, after this one and the next I have just started, will be on the joinery I know from my life and the joinery I have developed methodology on.

  3. Thanks for clarifying that Paul. I had wondered for a long time watching Norm Abrams why he dovetailed the fronts but dadoed the backs of the drawers.

    A possible solution for inadvertently pulling out drawers…I have seen setups that had a flip down stop mounted on the front stiles of drawer cases that would keep the drawers from coming completely out, but could easily be pivoted up to remove the drawer completely. Of course if you are the only one using the drawers, pulling drawers out and the resulting mess should only happen once or twice, unless one is a very slow learner. 😉

  4. I love it, clean and obviously a strong joint. I have built your bench and couldn’t be happier and intend on making a few drawers / tills for mine eventually.

    Another new book, can’t wait, thanks Paul.

    Steve

  5. Hi paul. Your work and the painstaking efforts that u go through is amazing. Do u think the average man even begins to appreciate and understand ur skill and efforts? Im certainly able to. I want to be like u whwn i grow up. Lol.

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