[CW] Changing Sprngs

[Bill Cromwell]

Hi DR,

You did a great job describing that spring. The one shown in the drawing 
is just like the picture in my mind you drew with your words.

73,

Bill  KU8H

On 01/24/2018 03:39 PM, D.J.J. Ring, Jr. wrote:
> Enhanced to show spring.
>
>
> ​
> 73
> DR
>
> On Wed, Jan 24, 2018 at 3:13 PM, Richard Knoppow
> <1oldlens1 at ix.netcom.com <mailto:1oldlens1 at ix.netcom.com>> wrote:
>
>        The sort of spring I mean can be seen in the first drawing of
>     U.S.Patent No. 237808  Jesse Bunnell's steel lever key.
>
>     On 1/24/2018 6:46 AM, Bill Cromwell wrote:
>
>         Hi Richard,
>
>         Some of those "hairpin" springs have a loop at the back and some
>         are just folded with no loop. They have been used a lot as
>         stationary retainers as well as return springs. They are use
>         under the keys on my accordions and I think most pianos. With
>         multi-turn loops at the back you will find them in mouse traps.
>         Much heavier ones without a loop at the back are on bear traps.
>
>         And then there are torsion bars... "let's do the twist".
>
>         73,
>
>         Bill  KU8H
>
>
>     --
>     Richard Knoppow
>     1oldlens1 at ix.netcom.com <mailto:1oldlens1 at ix.netcom.com>
>     WB6KBL
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-- 
bark less - wag more