[pianotech] Duoklamps

[Nick Gravagne]

Barbara,

 

I agree --- you can't usually get enough pressure with the pump handle. 

 

Go to Amazon

 

http://www.amazon.com/gp/product/B000V4P2MG/ref=pd_lpo_k2_dp_sr_1?pf_rd_
p=486539851
<http://www.amazon.com/gp/product/B000V4P2MG/ref=pd_lpo_k2_dp_sr_1?pf_rd
_p=486539851&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0000224C9&pf_
rd_m=ATVPDKIKX0DER&pf_rd_r=13PBVVEB2224A2EAN8VN>
&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B0000224C9&pf_rd_m=ATVPDKI
KX0DER&pf_rd_r=13PBVVEB2224A2EAN8VN 

 



 

Product Description

Item #: 018-56.  

 

    * Throat Depth = 2 1/2 in

    * Jaw Width = 2 1/2 in

    * Spindle Diameter = 5/8 in

    * Jaw Material = Cast Iron

    * Body Material = Steel

    * Finish = Powder Coated

    * Locking Type = Thread Locking

    * Handle Type = Wing-Nut

    * Type = Single Pipe Clamp Fixture

 

and many other sites. Use either standard black or galvanized 3/4" pipe
(galvanized is cleaner) of lengths of your choosing. I prefer 2 foot
lengths; usually you can find convenient lengths in your local Home
Depot, etc. One pipe end should be threaded to the standard 3/4" pipe
thread, although it doesn't matter if both ends are threaded, just not
necessary. Now, the stationary jaw will thread on to one end; you can
then remove this jaw, turn it around and install on pipe; likewise the
clutched jaw. 

 

Good power and easily reversible.

 

 

Nick Gravagne, RPT

Piano Technicians Guild

Member Society Manufacturing Engineers

Voice Mail 928-476-4143

 

 

-----Original Message-----

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On
Behalf Of Barbara Richmond

Sent: Tuesday, March 02, 2010 3:23 PM

To: pianotech

Subject: [pianotech] Duoklamps

 

Hey Joe Garrett, 

 

I bought a couple Duoklamps by Bessey which will clamp or spread. Are
these the ones you like so much? 

I guess they're OK, but they have that pump lever control which I find
hard to put much pressure on. The way they reverse direction is pretty
slick.

 

http://woodworker.com/fullpres.asp?PARTNUM=138-314&LARGEVIEW=ON 

 

Are there some with a different design? I tried to find others, but
didn't find any. I looked at all my clamps to see if there was a way to
reverse the ends, but I didn't see how any of them would work that way. 

 

Thanks, 

 

Barbara Richmond, RPT 

near Peoria, Illinois 

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