an excerpt from the UK site: In 1840 patent number 8643 plate number "9" he describes his patent for the front bat pin with a Key Bushing, a simple thing, now standard on all pianos today. Great for taking out wear on the key Bushing, its little thing like this, that the Erards was so good at. Not only did they want to improve the sound and flexibility of the action and piano, they tried to make the tuners life easier. >Date: Sun, 23 Apr 2000 13:59:38 +0100 >To: Jon Page <jonpage@mediaone.net> >From: Barrie Heaton <Barrie@forte.airtime.co.uk> >Subject: Re: p-tech question >X-Mailer: Turnpike Integrated Version 5.00 U <vF52YO7U2tmjMZSbQwsAZCyU8g> > >In message <4.3.1.2.20000423074814.00a768c0@pop.ne.mediaone.net>, Jon Page ><jonpage@mediaone.net> writes >>Hello Barrie, >>Last week on the list someone asked why the front rail pins are oval shaped. >> >>I recall your finding Erard's patent for this and his >>purpose for this was for adjustment, or one of them was. >> >>Perhaps you would care to post something on this or >>give a url where the patent could be viewed because >>the question was never fully answered. >> >>Regards, >> >>Jon Page >> >Hi Jon, >I wish my memory was as good as yours. I have not been reading piano tech >for a bit now I am still subscribed but have not got the time. The patent >details are below. I have not yet put the drawings up some of the text is >up there I will try to put the drawings up this week if I can, the page is >http://www.uk-piano.org/history/erard.html > >1840 patent number 8643 plate number "9" he describes > his patent for the front bat pin with a Key Bushing > > >Regards > > >Barrie, > >-- >Barrie Heaton Ý The U.K. Piano Page: >http://www.a440.co.uk Ý http://www.uk-piano.org/ >PGP Key on request Ý Home to the UK Piano Industry >
This PTG archive page provided courtesy of Moy Piano Service, LLC