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Posted 5/14/2007 in All Weblog Posts | Workbenches



One of the side benefits of writing a book on workbenches is that I got to see hundreds of variations on the traditional designs, both in person and in old books. I also dug up some dead-end designs – benches that looked liked a good idea at first glance but turned out to be much more like the 8-track of the workbench world.

Both of these benches are from "The Great Tool Emporium" (Popular Science) by David X. Manners, a 1979 survey of tools both modern and archaic. The book's section on workbenches was clearly an afterthought – it shares a chapter with Dremel-style rotary tools and glue guns.

Exhibit A: From an unsourced engraving (above). This bench has a leg vise mounted on the left end of the bench. It's a loony, but not entirely stupid idea. There's a pop-up dog on the leg vise that allows you to pinch your work between it and a dog in the benchtop. You probably could use the vise for crosscutting your stock without too much trouble.

But how in the heck are you going to clamp wide boards on edge? And why is the apron on the end notched to receive the jaw of the leg vise? This prohibits some basic clamping jobs. And one minor gripe: Having your vise on the end like this could be a recipe for disaster when planing. If you slip at the end of the stroke, your plane is more likely to go crashing to the floor. That's one of the reasons it's nice to have your planing stop several inches in from the end (mine's located 12" in from the end on the Roubo). I give this bench a D+.



Exhibit B: This is a Lervad 610 "Single Technology" bench made of Danish beech and once distributed by Leichtung Inc. Check out the shoulder vise on the left. It has two jaws! One is in the traditional spot to press against the benchtop. The other is outside the dogleg section of the bench. I suppose that this outside jaw is intended for working small parts and will allow you to come in at an angle with your rasps etc. and not hit the vise.

But this extra jaw seems vestigial, the gill slits of the workbench world.

And, once again, I think this bench lacks a way for you to work the edges of long boards and assemblies. I suppose you could clamp a bench slave in the end vise on the right, but that wouldn't solve all your problems when faced with edges.

What also is interesting about this bench is how the tool tray is so short. As tool tray ideas go, this one isn't too mad. Having the open section at the rear would allow you to do some clamping on the backside of the bench. I give this bench a C.

By the way, if you are a bench nut, you really should dig into the Lervad site. There's some really cool stuff here:

A Height-adjustable Bench: I want to try this bench.

A Height- and Angle-adjustable Bench: A bit like the Veritas carving bench, except that it is totally insane.

The Wacky Tool Well Bench: Why not put it here?

Benches for Schools: This could work, as long as you don't want to teach dovetailing.

— Christopher Schwarz

5/14/2007 12:48:26 PM (Eastern Daylight Time, UTC-04:00)
Hi Chris. Just so happens that a copy of the Lervard set-up and use manual recently found it's way to my website. Proof that these benches have been used and abused. Clearly someone at Lervard put a lot of thought into how one could make use of the various features. Somehow these benches strike me as an exercise in design first, determine usefullness second, then market it as a breakthrough. Marketing is a wonderful thing. It's the last document on this page:

http://www.toolemera.com/grr/pam/tlppamphlets2.html

I'm still afraid that a good wind would blow one of these benches over.

Best
Gary
5/14/2007 2:46:10 PM (Eastern Daylight Time, UTC-04:00)
While the benches themselves may not have a lot of merit, one can pick up on some decent ideas, whether they are ways to or not to do things. While I can't for the life of me figure what was on the mind of the designer of the first bench shown above, my eyes were drawn to the saw tooth set up for adjusting the leg vise to different material thicknesses.

One of the first mods I did to my store bought bench was to lose the front vise and replace it with a leg vise. For the work I do, the added depth above the screw of the leg vise is worth what ever drawbacks one can point out about the leg vise. My only complaint is having to bend over to adjust the pin location to change the capacity of the vise.

That saw tooth design could make it a foot operation and that would be a definite plus in my book.
5/14/2007 8:07:58 PM (Eastern Daylight Time, UTC-04:00)

Jerry,

The parallel guide to the leg vise is a fairly common feature among leg vises – I should have mentioned that. You are right that sometimes a bad example is as important as a good example.

Sometimes, our actions should simply serve as a warning to others.

Chris
5/14/2007 8:14:48 PM (Eastern Daylight Time, UTC-04:00)

Gary,

Thanks for the link to the interesting manual. I read the whole thing, and what's interesting is that they don't have a single illustrated use for the second jaw of the shoulder vise. Does anyone here have one of these vises? Is it useful?

Chris
5/14/2007 9:55:07 PM (Eastern Daylight Time, UTC-04:00)
Hi guys,

Just a thought but I don't think that the "second jaw" really does anything. I think it's purely a means of stabilizing the vise jaws to prevent racking.

Dave
5/14/2007 10:28:01 PM (Eastern Daylight Time, UTC-04:00)
Dave,

You are probably right about its purported function. However, I gotta say that racking isn't really something that a shoulder vise is going to experience. Because there are no vise screws between you and the floor, you just move your work to the center. Bam, no racking.

And when guide bars in a vise actually prevent racking, I'll build a bench out of Bubinga.

Chris
5/15/2007 7:25:40 PM (Eastern Daylight Time, UTC-04:00)
Hello,

I would say that is to keep the first jaw perpendicular to the bench. If you look the bench from the top, the running cylinders in the shoulder prevents the 2 guides and the screw from changing its angle towards the bench. I think with doing this you gain constant pressure on a piece of wood that is not wider than the jaw.
I hope I’m explaining my self clearly. If not I can mail to you a sketch to make myself clear.

Regards,

PM
5/15/2007 9:20:14 PM (Eastern Daylight Time, UTC-04:00)
I'm sure you found lots of strange benches, Chris. I did a google search to see if I could find the adjustable height workbench that Paul Anthony showed me at a woodworking show a few years ago. No luck there, but I found this interesting "adjustable height workbench." For patent http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6283250.PN.&OS=PN/6283250&RS=PN/6283250
5/16/2007 7:54:54 AM (Eastern Daylight Time, UTC-04:00)

Keith,

I think you are looking for Jeff Noden's Adjust-A-Bench. (I'd post a link but our web access is down this morning). We have one in our shop with a Sjoberg top attached. The base is nice. The top....

Chris
5/16/2007 8:10:15 AM (Eastern Daylight Time, UTC-04:00)

OK, here's the link for the Noden:

http://www.adjustabench.com/about.asp
5/17/2007 5:06:41 PM (Eastern Daylight Time, UTC-04:00)
Crazy benches?

If you think those benches are crazy, take a stroll over to datamp.org and do a search for leg vises. You won't believe how many patents there are for variations of a leg vise.

Some of them look reasonable while others look like they were designed by Rube Goldberg.

Dave
5/21/2007 7:36:16 PM (Eastern Daylight Time, UTC-04:00)
There's a rather unusual 'multi-mode' vice design at
http://pages.infinit.net/perrons/Paul/Woodwork/Workbench/Woodvise/woodvise

I'd say something overly clever, but I think the vise takes care of that.

cur
6/4/2007 1:29:30 PM (Eastern Daylight Time, UTC-04:00)

You have to be kidding me on that adjustable bench; the
legs are so wimpy that if you were to hand plane anything
but balsa wood the entire thing would just tip over.

There is a better version of this in Lon Schleining's
"The Workbench". (An excellent book, by the way).

chris
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