1902 Conover upright jack lever

[Joe & Penny Goss]

Hi ,
Does the top of the 7 part of the wire fit into the hammer butt?
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message -----
From: <kam544@flash.net>
To: <pianotech@ptg.org>
Sent: Friday, June 22, 2001 10:46 AM
Subject: Re: 1902 Conover upright jack lever


> >...Is the piece shaped like 7 or more like ]? The latter suggests a class
> >of actions with articulated jacks...
> >Clark
>
> Clark, LIst,
>
> It is shaped like an upside down' 'L' wire (that's mighty close to a 7
> shape).  It is mounted into the top of the jack by means of the following
> description.
>
> The tip of the jack is very large and extends beyond the hammer butt
> providing a platform for the mounting of this wire.  When the jack is at
> rest, the wire inserts itself into a neatly engineered hole in the hammer
> butt.
>
> This one Conover Upright design is merely a masterful approach to allow
the
> action to be removed without the wippens falling away from the hammer
> butts.  It eliminates the need for any bridle strap/wire apparatus for
this
> specific purpose.  That's all.
>
> > Is there a hammer spring?
>
> Yes, there are hammer return springs in this piano.
>
> As to the rest of your post, while very interesting, I can't envision any
> similarities in design and/or purpose of this particular Conover feature
to
> the ones you described.
>
> Keith McGavern
> Registered Piano Technician
> Oklahoma Chapter 731
> Piano Technicians Guild
> USA
>