In article ,
Derek Andrews wrote:

I have bought an extra set of screws for each jaw set, and they never
get taken out, just stored in situ in the jaws. This saves a lot of time
fiddling with screws.

Now that leads to a really good idea. The jaws would have captured
screws - no fiddling, no searching among the shavings.

What if the jaws had a keyhole (or somesuch) type mounting to the chuck
body and then a half-turn captured locking screw?

--
"Sure we'll have fascism in America, but it'll come disguised
as 100% Americanism." -- Huey P. Long