cat heads and cats paws was Re: laser edge finder

John,

Thank you, Yes, cat's head with screws sticking out as "whiskers",
not a cats paw with claws. Cats paw is a lever to pull nails, etc.
(I knew that. Brain fade.)

Ballendo


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "John Stevenson" <john@...>
wrote:

>
>
> > Graham.
> >
> > Catspaw is simply a piece of tubing with tapped holes in its wall
> > for sets of screws angling inwards towards the work.
> >
> > Usually 2 sets of eitehr 3 or 4 holes. The effect is a versatile
> > chuck for oddly shaped parts, or just a means to accurately place
> > evena simple object into a known position.
> >
> > Gunscope and telescope tube mounts are analogous. For that

matter,

> > the "kleinbauer" 4bolt rail mount, taken in pairs on each rod is

the

> > same thing. It allows easy and precise alignment of the rail in

all

> > three axes.
> >
> > Sometimes machinists say "spider" instead of "catspaw". Depends

on

> > whether the projecting screws look like claws or legs, I

suppose.<G>

> >
> > Ballendo
>
>
> For 'Catspaw@ read Cathead.
> Two types, the loose ones as 'loosly' described above and the type

that runs in it's own bearing.

>
> John S.
>