In message <001501c3aa69$2225daa0$248efa43@oemcomputer>
"Steve Hammatt" <GSteve@hammatt.com> wrote:
<snip>
>
> The original pulleys have a two piece design that
> worked well and I'd like to continue with the same
> setup, if possible. The new multi-step pulleys would
> need to be two piece design with a center section that
> has a narrow slot cut into it from one side through
> the center (1-1/4" bore) and slightly into the other
> side. This 'spring' cut allows the center section to
> 'clamp down' securely on the shaft. The compression
> of the center section is caused by the slight taper when
> the center section is inserted into the outer section (which
> is the part that has the V-grooves). When two Allen screws
> are tightened (the Allen screws are fitted half-way in the
> center section and half-way into the outer section) there
> is a very positive clamping affect around the center bore
> hole.
>
Steve,
In the UK they are known as taper lock bushings.
HTH
--
Dick Atkinson RISC OS on an Iyonix pc
In sunny Chester-le-Street, Co Durham, NE England
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