Year: 1897

page_text: I, JOHN HARRINGTON, of Claremont, West Street, Ryde, in the Isle of Wight,
Manufacturer, do hereby declare the nature of this invention to be as follows:-
The invention relates to an improved arrangement of parts for operating a band
brake, by which means the cranks can be rotated for the driving of the machine, they
can be held stationary and the machine allowed to run free, and by a backward
pressure on the pedals the brake can be effectively applied.
"
In order to carry out my invention I insert between the toothed periphery of the
chain wheel and its hub, two rings, one revolving upon the periphery of the other.
The periphery of the ring attached to the hub has properly formed recesses to carry
clutch or gripping balls or rollers. The other ring is attached to the spokes radiating
from the toothed or driving periphery of the chain wheel.
!
These rings are enclosed by discs secured to one of said rings thereby forming a
channel in which the periphery of the chain wheel revolves freely.
For the brake mechanism, a similar but smaller friction wheel and without teeth
on its periphery is applied to the opposite crank.
The outer ring of this latter friction wheel has connected thereto a short band
which by an adjustable rod is connected to one end of the brake band.
The said outer ring has also connected thereto a short band or strap to prevent it
moving forward beyond a certain distance when not being used but which will permit.
it to move backward a sufficient distance when caused to do so by back pedalling.
The brake band is at its other end connected to an arm or link which is pin-jointed
to the bottom fork or to a fixture thereon.
I preferably employ a brake drum fixed to the spokes of the driving wheel made.of
vulcanized fibre or leather but other brake drum may be used.
By the above means the rider can when desired propel the machine by forward
pedalling as usual, or he can hold the pedals still and allow the machine to run free
whilst by back pedalling he can apply the brake by causing the outer ring of the
brake clutch wheel to rotate a short distance backward and thus pull one end of the
brake band. This action will cause the brake band to be applied firmly all round
the brake drum by reason of the upward pull thereon causing the link connecting it
to the frame to move towards the brake drum, but the moment a forward action is
given to the crank the brake band is simultaneously released at both ends.
The appliance described herein does not in any way increase the width of tread.
Dated this 1st day of Man 1907
.

page_text: Improvements in Velocipedes.
I, JOHN HARRINGTON, of Claremont, West Street, Ryde, in the Isle of Wight,
Manufacturer, do hereby declare the nature of this invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement :--
OITATIES
The invention relates to an improved arrangement of parts. for operating a band
break, by which means the cranks can be rotated for driving the machine, they can
be held stationary and the machine allowed to run free and, by a backward
pressure on either pedal, the break can be effectively applied.
The invention is illustrated in the accompanying drawings, in which.:-
Fig. 1 is an elevation of part of one side of a machine showing the driving
mechanism:
་
Fig. 2 is an elevation of part of the opposite side of the machine showing the break
mechanism in its normal position.
Fig. 3 is a similar view to Fig. 2 but partly in section showing the break in use."
Fig. 4 is an elevation of the driving mechanism partly in section so that the clutch
may be seen.
Fig. 5 is a section of the toothed wheel and clutch.
Fig. 6 is an elevation partly in section of the clutch apparatus for operating, the
break as seen from the opposite side of the machine to that of Fig. 4, and Fig. 7 is a
section of the same."
Fig. 8 is an elevation partly in section of the break drum looking from the inside
of the wheel.
Figures 9 and 10 are side views of the metal clips which I employ to attach the
break drum to the spokes.
Figures 11 and 12
Figures 9 and 10.
are end views respectively of the clips shown in
Figures to 8 are drawn to twice the scale of Figures 1, 2 and 3.
Figures 9 to 12 are drawn full size.
In all the figures like parts are indicated by similar letters of reference..
In carrying my invention into effect, I fix to the spokes a* of the chain wheel a, a
ring a revolving upon the periphery of disc a² forming the centre or hub of said
chain wheel a, which is attached to the crank b as shown in Fig. 4, and consequently
to the spindle c. The disc a2 has curved or inclined recesses ³ to receive clutch
balls or rollers a'. The ring a¹ is attached to, or made in one piece with the spokes a*
or periphery of the chain wheel a, and is kept in correct position with relation to the
disc a² by means of metal rings 5, which latter are secured either to the ring a¹.as
shown, or to the disc a².
The clutch for the break mechanism, is, of similar construction to that above
described but smaller, and is attached to the opposite crank 6', which, as usual, is
attached to the spindle c. The outer ring d of the break clutch has connected thereto
a short band d¹, which, by an adjustable rod e is connected to one end of the break
band f.
ܕ܂
This outer ring dihas also connected thereto one end of a short chain d², the other
end of which is connected to the bottom förky of the machine by a swivelling
piece do to prevent the outer ring d moving forward beyond a certain distance when
driving the machine forward, but which will permit it to move backward a sufficient
distance to put on the break when caused to do so by back pedalling. The outer end
of the break band f is connected to an arm or link f, which is pin jointed to the
bottom fork g or to a fixture thereon as shown in Figures-2 and 3.
'

page_text: I preferably employ a break drum f2 fixed to the spokes of the driving wheel by
means of metal clips as shown in Fig. 8. These clips are formed of sheet metal
folded to make a tubular receptacle h for the spoke with a web h¹, through a hole in
which is passed a fixing screw h². These clips are made right and left handed as
shown in Figures 9 to 12, the webs h¹ overlapping each other and the screw h² passing
through the same into the break drum.
It will be understood that the inclined recesses a³ and d³ shown in Figures 4 and 6,
are actually cut in opposite directions, these two figures being seen from opposite
sides of the machine.
In Fig. 4 the clutch apparatus is shown in action gripping or clutching the
periphery of the chain wheel a and thus driving the machine, the arrow shown in full
lines indicating the direction of rotation.
In Fig. 6 I have shown the parts in the position they would assume when the
break is being applied, the disc d being connected rigidly with the outer ring d,
which, through the adjustable rod e, pulls one end of the break band f. This action
will cause the break band to be applied firmly nearly all round the break drum f² as
shown in Fig. 3, the upward pull of the end of the break band causing the link f¹ to
move toward the break drum, but as soon as a forward action is given to the cranks,
the outer ring d of the break clutch moves forward in the direction shown by the
arrow in full lines in Fig. 6, until stopped by the chain d², thus allowing the rod e to
move backward and release the break band f, which latter, by moving round, pushes
the link f¹ out of contact with the drum.
The apparatus herein described does not in any way increase the width of tread.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what I
claim is:-
1. In a velocipede, the combination of a spindle rigidly attached to the cranks, a
clutch acting to drive the chain wheel in one direction, a clutch acting to rotate a
ring in the contrary direction, a chain or band to prevent said ring rotating beyond
a certain distance, a band connecting said ring with an adjustable rod connected to
one end of a break band, the other end of which is connected to a movable link,
substantially as herein shown and described.
2. The arrangement of parts constituting my improved brake for velocipedes
combined with the means for operating the same, substantially as hereinbefore set
forth and illustrated.
Dated November 30th 1907