Look on pages numbered 44-45 of this document.
HORTON Two-Jawed Drill Chuck
Style B B
This is the simplest, most compact drill chuck made.
We have manufactured it in steadily increasing quantity
since 1892 and believe few to'ols will stand so much hard
work and severe usage.
There are only four parts in the entire chuck - the
screw, two jaws and a solid body. The jaws; operated
by a right and left hand screw, are cylindrical and can
thus be made a close fit in the reamed hole in the body
and yet work freely. There is no tendency to bind,
cramp or spring the screw.
It has, in all sizes, a large range and capacity combined
with small diameter. Note diameters and capacities
given in the table on the opposite page.
The two largest sizes, Nos. 5 and 6, are made with a
straight body and fitted to a face-plate bored for Morse
Taper arbors as illustrated above. Smaller sizes are
made with a formed body as shown on the opposite page.