These were called " banjo bolts"
Imagine o-]-, The o is a like a washer over the axle to which is welded a threaded rod -- with a crosspiece ] engaging the end of a track dropout. Nut (not shown) adjusts the tension.
I always thought these got in the way of adjusting tension with track nuts but the idea of utility with wing nuts has merit.
Joe Bender-Zanoni
Great Notch, NJ
> In a message dated 8/16/2003 1:12:35 PM Eastern Daylight Time,
> chuckschmidt@earthlink.net writes:
>
>
> > One solution would be to use chain tension adjuster bolts. Now a days,
> > fixed gear guys call them "chain tugs". There were various styles years
> > ago; some worked with track ends and some worked with road dropouts.
> >
> > Lots of advantages: You can make small adjustments in the chain tension,
> > you can remove and replace the wheel and still keep your original
> > adjustment, and they keep the wheel from being pulled over from the
> > torque of pedaling which is indispensible when using wing nuts instead
> > of a QR or track nuts.
> >
>
> Chuck,
> Would you happen to have a picture you could post somewhere of an adjuster
> that works with horizontal road drops?
> Thanks.
>
> Pete Geurds
> Douglassville, PA