Improvements in Parts of Velocipedes.
Year: 1892

page_text: Date of Application, 12th Oct., 1892
Complete Specification Left, 1st Dèa., 1892-Accepted, 28th Jan., 1893
PROVISIONAL SPECIFICATION.
Improvements in Parts of Velocipedes.
EDWARD BARNES, of Whitehead Street,
We
Aston-juxta-Birmingham
Machinist, and JOSEPH GARRISON of 272 Witton Road, Aston aforesaid Tin
Plate Worker, do hereby declare the nature of this invention to be as follows:-
This invention relates to detail improvements in parts of velocipedes, and con-
sists, first, in the speed gear of geared or front driving ordinaries; and in the
second part, to the transmitting wheels of gear generally.
In the speed gear, we employ a large toothed annulus, mounted within bearings
made or carried within the opposite branches of the forks, and with the teeth
engaging with those of a pinion or smaller toothed wheel on the hub of the front
wheel, or the hub of the driving wheel.
In the transmitting wheel, we employ sphere or ball surfaces working within .
sockets or holders in lieu of teeth, or in combination with teeth.
In carrying out the first part of our invention we proceed as follows:-
Made fast to or mounted upon, each side of the hub of the driving wheel is a
small toothed wheel or pinion, which gears with an inside toothed wheel, or an
inside toothed annulus, mounted and turning within bearings formed within the
opposite branches of the fork. These toothed annuluses are fast upon the inner
ends of crank pins or stems, whose outer ends are fitted with crank arms carrying
pedal plates.
Extended bearings of the crank stems are made by providing double bearing
contacts, and it is understood that the bearing parts of the said crank pins or
crank stems extend through the bearings in the forks, and that the driving wheel,
with its hub having the driven pinions, runs loose upon a hub spindle, directed
between the lower extremities of the fork branches.
Thus on pedalling, the cranks are rotated, and with thein the toothed annulusea,
which communicate notion to the driving wheel, through the driven pinions on
the hub, with which the teeth of the annuluses, are in gear. By the above arrange-
meut of gear, an accelerated or increased speed is communicated to the hub,
relative to the motion of the cranks.
All the bearing surfaces are provided with adjustable ball contacts and carriers.
In carrying out the second part of our invention, we let within the periphery of
a wheel to just beyond their centres, a series of balls or spheres, which take the
place of the teeth of an ordinary toothed wheel, so that when two of зuch wheels
are in gear, their pitch lines coalese at points of contact, hence the rotation of one
wheel, by contact of the sunken or let in balls of the one, with the let iu balls of
the other.
Instead of the balls being located or disposed within recesses, they may be com-
prehended between two adjustable central plates, which form the arms corresponding
to the teeth of an ordinary toothed wheel:
By employing ball wheels less friction is created, and motion is transmitted in a
smoother and more advantageous manner than heretofore, hence a mechanical
advantage.
11th day of October 1892.
EDWARD BARNES;
JOSEPH GARRISSON,
By Henry Skerrett,
Agent for Applicants,

page_text: CUMFLETE DIECIFICATION.
Improvements in Parts of Velocipedes.
We, EDWARD BARNES, of Whitehead Street,
Aston-juxta-Birmingham
Machinist, and JOSEPH GARRISON, of 272 Witton Rond, Aston aforesaid, Tin
Plate Worker do hereby declare the nature of this inveution and in what manner
the same is to be performed, to be particularly described and ascertained in and by
the following statement :-
This invention relates to detail parts of velocipedes, viz.:-to the gear or to the
driving, driven or pinion wheels of the same, as hereinafter described,
Figure 1 of the accompanying drawings represents, in vertical section, an
internal speed gear, for the driving of velocipedes or geared ordinaries, and with
the pinion of the said gear having ball teeth, or revolving spheres, located within
its rim, or within boxed recesses formed within the rim, and with the contact part
of the ball tooth directed above the periphery. In this internal gear arrangement,
the annulus, which is the, driving wheel, and is connected with the crank axle, and
is supported by brackets carried by the forks or framing of the machine, has
sockets sunken within its inside periphery, in lieu of teeth, and with which sockets,
the balls, spheres or revolving teeth, intergear, so that on the said driving wheel
rotating, whilst the driven pinion is upon the hub axis, motion is communicated
through a rolling surface, hence a reduction of friction, and a great mechanical'
advantage attained.
Figure 2 represents the said gear Figure 1, with the driving wheel in section,
and the driven pinion partly in section, or with a part of the enclosing plate of the
sphere removed, in order to fully and clearly exhibit the whole of the ball teeth,
and the shapes of the sockets wherein they work, which may, if desired, be lined
with thin sheet steel cups, and be lubricated in any approved manner.
is a driving wheel, having socket recesses a, sunken within the inside
periphery a¹, of the same, and which socket recesses are employed in lieu of teeth,
and with which, the ball teeth b, of a driven pinion 61, engage or intergear, hence
the communicating of notion from one mechanical adjunct to another, through a
plain socket of the one part, taking upon a revolving ball or tooth of the other
part, and which ball or tooth of the said second or driving part, works within an
angular socket 62, formed by sides or cheeks 63, 64, secured to each other, if
necessary, by set pins 66. 66, are lubricating holes for lubrication.
The sockets of the said ball teeth may be made sectional and adjustable, whilst
the socket teeth a², may be provided, if necessary, with thin sheet hardened steel
cups, to resist wear.
Toothed wheels for communicating, transmitting, or receiving motion, may be
fitted or provided with ball teeth, alike unto the pinion, and so also may the
annulus wheel be fitted with ball teeth, alike unto the pinion, and fitted and mounted
within the inside periphery of the same.
These wheels, having revolving teeth, are eminently adapted for intergearing
with each other, and forming either driving or driven wheels, pinions or other
transmitting gear, such as a tooth for traversing a channel cam.
To prevent the ball teeth from rattling, consequent upon wear, the sockets may
be fitted with springs, so as to keep the same always up to the mouths of the
sockets, or the seats of the sockets.
Figure 3 represents a still further form of our invention, showing a ball tooth
pinion, intergearing with a ball contact annulus, having sockets, with which the
ball teeth engage or intergear, and which sockets are fitted with antifriction
contact surfaces, in the form of balls, let within sockets, having adjustable seats.
b is a pinion, with ball teeth b, working within sockets b, having lubricating holes
leading thereto.66 a is a socketed annulus, with sockets a³, balls a³, directed out
of them, and adjustable seatings a¹.
፡

page_text: Motion is communicated in this last named arrangement, through the medium of
ball contact surfaces only. The ball teeth of the pinion intergear with the ball
fitted sockets of the annulus. Instead of the ball teeth being carried by the
pinion, they may be fitted within the inside periphery of the annulus, whilst the
ball fitted sockets may be inade within the pinion's periphery.
Figure 4 represents a further form of my invention, showing the intergearing of
wheels having ball teeth.
Figure 5 is a section upon the dotted lines A. B. Figure 4, whilst Figure 6 is a
cross section upon the dotted lines C. D. of the said Figure 4.
a is a driving wheel, and b' is a driven wheel, or vice versa. bare ball teeth,
carried or working within sockets 6, formed between separated leaves b³, of
sectional parts a¹, a², and which sectional parts are brought together, and the ball
teeth retained, by screws or other means, so that the said ball teeth work between
open sides or leaves, or parts having sunken middles, wherein the said ball or
rolling teeth work, but with the contact surfaces standing clear.
Figure 7 represents a further form of fitting the ball teeth in position. In this
arrangement, the periphery carrying half leaves are in sections.
Figure 8 represents a further ball tooth wheel, in combination with a sheived
roller toothed wheel. The sockets of the ball teeth are adjustable.
Figure 9 represents a section of the said combined ball and roller teeth upon
the dotted line E..
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
we claim is :—
First In toothed driving or driven wheels, pinions or the like, for com-
municating, transmitting or receiving motion, providing the same, or the leaves or
peripheries of the same, with ball teeth.
Secondly-In driving or driven wheels, pinions or the like, for communicating,
transmitting or receiving motion, providing or fitting the sockets of the same with
balls, spheres, or like rolling contact surfaces.
Thirdly-In driving or driven wheels, pinions or the like, for communicating,
transmitting or receiving notion, providing or arming the same with balls rolling
contact surfaces, as described and set forth.
Fourthly: In wheels having ball' rolling contact surfaces, making the sockets
wherein they work, adjustable.
Fifthly The improvements in wheels and pinions as described and set forth.
Dated this 24th day of November 1892.
EDWARD BARNES,
JOHN GARRISON,
By Henry Skerrett,
6, Livery Street, Birmingham, Agent for Applicants.