Photo Index - Hill, Clarke & Co. - un-known

Machinery Photo Index

Manufactured/Badged by:
Hill, Clarke & Co.
Boston, MA; St. Louis, MO

Machine Specifications
Machine Class:	Wood Working Machinery
Machine Type:	Drill Press
Machine Size:	un-known
Submitted By:	Chris Bourgeois

Machine Specifications
Description/Model:	un-known
Date of Manufacturer:	1901
Serial Number:
Last Updated	3/14/2006 8:16:47 AM

Comments:

I was given this many years ago, and I added a motor at the time.
Now that I am a little older and wiser about belt driven machinery,
I will attempt to re-do what I started to do back then!

I got a new leather belt made for it about 15 years ago, but I was having issues with
tracking the belt back then. I just got some "Prestone Belt dressing" And that did the trick, it tracks very nicely now...

When I got it home, I found out I was missing a small steel wheel that helps drive the spindle, So I am haveing 2 new wheels made. I wired this this up with a toggle switch,
and a grounded power cord.

The Drill press came to me with an old Kekless chuck. Upon closer inspection, I found out it was not the correct thread for the "Motor Arbor" I got a Die and chased the treads on the "Motor Arbor". I had a Jacobs 6B Chuck, and it was the correct thread, so I will be using this. I also found a nut to jam against the chuck.

One thing I remembered when looking at the photos, Is that there is a pulley system in the upper arm. To me it looks like a weight would be hung in the main tube, and then a rope or chain would be fed thru the pulleys and attached to the geared spindle that is in the arm that slides up and down the column, to balance the weight. I have some old window weights laying around so I may have to experiment a little. (one weight is NOT enough weight.

The Base is all custom, made from angle iron welded together to a 1/2" steel plate as the working surface of the drill press. I plan on encasing the Motor in the Base Area with some Smoked Lexan, Should look "Slick" when its Done!

On a Side note, Last night I was able to pull the "Head" of my drill press apart, and found 2 bearings...
and on the bearings I found this text: CONE SIDE FOREIGN PAT'S PAT NOV.12.1901 (then the image of a Star)
So far this is the only text I have found on my drill press.

This has a 4 speed set-up: 342 rpm - 555 rpm - 910 rpm - 1622 rpm
The Diameters of the sheaves/pulleys are:
Motor Sheave:
2.5", 3.25", 4", 4.75"

Pulley-Sheave:
5", 4", 3", 2", Flat Belt: 2.375"

Drill Head:
6"

In doing these calculations I have found out that the centers of the Steped Motor Sheave has to roughly 19/32" of play so the same length belt can be used on all 4 speeds.

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