In article ,
The Nomad wrote:
On a pillar drill, the motor assembly is supported by the pillar from
which the device takes its name. A separate drive shaft carries the
chuck, allowing it to be raised and lowered, and it is concentric with
this shaft, not the pillar.

Chris

Think this is what you are after

http://en.wikipedia.org/wiki/Quill_drive

Excellent - simply couldn't remember what it was called. Only thing I
could think of was torque tube on a car.

It's the essence of any decent drill press - the pillar bit simply being a
convenient way of providing an adjustable table.

--
*If only you'd use your powers for good instead of evil.

Dave Plowman London SW
To e-mail, change noise into sound.