In article ,
PaPaPeng wrote:

On Sat, 30 Jun 2007 10:20:57 -0400, trader-of-some-jacks
wrote:

I'm sure that Sears would sell me a new attachment for $50. I'm sure
that with a lot of homework, I could find a replacement belt, but I'm
not really in the mood to do that homework.

Its a simple 'O' ring you can buy from an industrial valves shop. Try
your luck at an automotives parts shop too.

OP mentioned "teeth" in one of his later posts, but I'm not clear as to
whether it drives a toothed gear (seems unlikely if it's slipping) or
whether he's talking about what I'd call notches, like an automotive fan
belt.