Improvements in Friction Driving Clutches.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Improvements in Friction Driving Clutches.
We, CHARLES LOXTON JACKSON, M.I.C.E., of Wharf Foundry, Bolton, in the
County of Lancaster, and EDWARD HORNBY, of Doffcocker, Bolton, aforesaid,
Foreman Draughtsman, do hereby declare the nature of this invention to be
as follows: -
Our invention relates to improvements in friction driving clutches and the
object of our improvements is to construct a simple and efficient clutch com-
bining all the advantages of two well known types of friction clutches namely
Bodmer's Patent Clutch and Hick's Patent Clutch.
In carrying our improvements into effect we employ a flanged friction dise
mounted loose upon the shaft or axis, and two segmental friction blocks fitted
to slide upon two radial studs carried on opposite sides of the boss or sliding
portion of the clutch which is fitted on a feather key in the shaft.
To each segmental block we connect by ball and socket joints two screwed studs
the other ends of which are pivoted upon a second pair of radial studs formed
or secured on the sliding boss at right angles to the first named pair; each of the
screwed nuts is made in two parts connected together by locknuts as a ready
means for setting and adjusting the segmental blocks relatively to the friction
disc.
When the shaft is set in motion and the sliding portion of the clutch is moved
up to the main portion the screwed studs force the segmental blocks outwards
and into close contact with the interior of the flanged disc which is set in motion.
When the sliding portion has been moved to its extreme limit the inner ends
of the screwed studs have passed just beyond their outer ends, and thereby the
sliding part of the clutch is locked securely in frictional contact with the disc,
thus relieving the levers, used for throwing the clutch in and out of gear, of all
friction or strain when the clutch is in gear.
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1 1.1 Jacumb
1808
Improvements in FICTION DRIVING
We, CHARLES LOXTON JACKSON, M.I.C.E., of Wharf Foundry, Bolton, in the
County of Lancaster, and EDWARD HORNBY, of Doffcocker, Bolton, aforesaid,
Foreman Draughtsman, do hereby declare the nature of this invention and in
Die 71

page_text: what manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:
Our invention relates to improvements in friction driving clutches and the
object of our improvements is to construct a simple and efficient clutch com-
bining all the advantages of two well known types of friction clutches namely
Bodmer's clutch and Hick's clutch.
In the accompanying sheet of drawings-
Fig. 1 is a front view and Fig. 2 a side view partly in section of an improved
friction driving clutch made according to our invention.
In the drawings, a designates a flanged friction disc mounted loose upon the
shaft b, and c two segmental friction blocks fitted to slide upon two radial studs
carried on opposite sides of a boss which is keyed on the shaft b.
The surfaces between the blocks c and the inside of the flange of the disc a
are preferably covered with copper c¹ or other suitable material. To each seg-
mental block we connect by ball and socket joints two screwed studs f, the
other ends of which are pivoted upon a second pair of radial studs formed with
or secured to a sliding boss e at right angles to the first pair of studs f: each
of the screwed studs f is made in two parts connected together and secured by
lock nuts, as a ready means for setting and adjusting the segmental blocks
relatively to the friction disc a.
When the shaft b is set in motion and the sliding portion e of the clutch rota-
ting with it is moved by suitable forked levers not shown, one of which engages
with the annular groove in the portion e, up to the main portion of the clutch
the screwed studs f force the segmental blocks outward and into close contact
with the interior of the flanged dise a which is thus set in motion; or alterna-
tively the flanged disc may be the driver and by contact as before specified will
then turn the inner portion of the clutch and the shaft.
When the sliding portion e has been moved to its extreme limit the inner ends
of the studs will have passed just beyond their outer ends and thereby the
sliding part of the clutch is locked securely in frictional contact with the disc a
thus relieving the levers used for throwing the clutch into and out of gear, of
all friction or strain while the clutch remains in gear.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim is:-
-
The improved friction clutch, composed of a flanged disc mounted upon the
shaft, a sliding portion fitted upon a feather key in the shaft and carrying two
pairs of adjustable studs connected by ball and socket joints to a pair of seg-
mental friction blocks adapted to engage the flanged friction disc, the parts
being arranged so that the adjustable studs can be moved far enough to lock the
clutch substantially as and for the purposes described with reference to the accom-
panying drawings.
H. B. BARLOW & GILLETT,
Agents for Applicants, 17, St. Ann's Square, Manchester.