What kind of joint is this?

I wonder if the face is mortised or dadoed into the sides…

-- Richard, Hot Springs, Ar -- Galoot In Training

Pin and Cove. It was one of the first machine-cut joinery systems. Invented by C.B. Knapp in the 1860’s or 1870’s.

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And there’s Joe with the grand slam . . .

-- Richard, Hot Springs, Ar -- Galoot In Training

Wow Joe. Sounds like you didn’t even bat an eye. I’ve never seen that joint and I frequent antique furniture places.

Walking talking joint encyclopedia – thanks Joe.

I’ve seen it a couple of times on mediocre old pieces. There are
some old ads for the machine (sometimes foot powered)
on OWWM.com

I think it was in use until the 1920s at least. It still is in
use of course here and there.

There are so many people on here that know so much…........

Just amazing.

Truly.
==========================
As or me…........

I can count to 100 with my 5 year old grandson, and sing the alphabet song with my granddaughter

Other than that, my two Masters Degrees aren’t of much use any more.

And besides that, those two things are more valuable to me than Found Money.

It looks neat, but lacks the inherent strength in dovetails. I guess that’s why they pinned the joints.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

Dovetails aren’t particularly strong but are a mechanical joint and do not rely on glue (in theory).

-- Rick M, http://thewoodknack.blogspot.com/

The pins are integral, not added later. It looks
fussy compared to blind dovetailing, but perhaps
it worked better at the slow speeds of machinery
of the 19th century. I don’t imagine it was an
aesthetic selling point for furniture, but consider
that drawers ran on wood runners and pulling out
drawers in the day caused a lot of strain on the
front joints over time. Perhaps the pin and crescent
joints remained tighter over time or perhaps they
were just an industrial age fascination. Dovetail
joinery was not considered aesthetically appealing
until the 20th century when unskilled people began
to marvel at how hard they must be to cut (they
aren’t, but people who haven’t tried don’t get that).

Our bedroom furniture has these joints. It’s from my wife’s family, no one knows how old it is. But I have often been fascinated by these joints.

If anyone’s interested, found a picture of the machine made it.

And a little more info. on it here.

I saw some dove tail machine which offer an optional comb to make similar joints.
I personally like this joint, I believe that it is very pretty.

-- Bert

This came from my wife’s family in Toronto. I just haven’t had time to look up any information yet. Thanks for sharing the info. My wife calls this a washstand.

-- Turning fine wood into sawdust !

delete

-- Turning fine wood into sawdust !