1902 Conover upright jack lever

[Mike McCoy]

This should then lend some credibility to the argument on the purpose of
Bridle Straps.... Aids in repetition vs preventing the wips from falling.
The answer to this question was changed on the recent update to the written
exam, based on the Journal article by Jim Ellis. Many folks now miss this
question.

Mike


Mike McCoy RPT
So Central Pa Chapter 170 & SEPA 190 PTG
Langhorne, Pa
Mailto:mjmccoyrpt@earthlink.net

----- Original Message -----
From: <kam544@flash.net>
To: <pianotech@ptg.org>
Sent: Friday, June 22, 2001 12:46 PM
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
>
>