Improvements in, and Additions to, Automatic Prepayment Sale and Delivery Attachments for Gas and Liquid Meters.
Year: 1892

page_text: Date of Application, 19th July, 1892
Complete Specification Left, 19th Apr., 1893-Accepted, 19th Sept., 1893
PROVISIONAL SPECIFICATION.
Improvements in, and Additions to, Automatic Prepayment Sale and
Delivery Attachments for Gas and Liquid Meters.
1, ROWLAND WILLIAM BROWNHILL, of Aston House, Victoria Road, Aston,
near the City of Birmingham Engineer do hereby declare the nature of this inven-
tion to be as follows:-
This invention relates to improvements in automatic prepayment sale and
delivery attachments for gas and liquid meters, and is an improvement upon three
several Letters Patent granted to me, and bearing dates May, 13, 1887, No. 7012;
May, 2, 1888, No. 6537 and December 21st 1889 No. 20583, respectively.
My said invention consists in means for varying or changing the quantity of gas
to be delivered in exchange for a standard coin, consequent upon the rise and fall
in the price of gas.
By my invention, the quantity of gas to be supplied at varying times, can be
changed, without interfering with the mechanism of the attachment, or opening the
meter, as is the case with attachments of my former construction.
Thus, according to one part of my present invention, a quantity of gas, pro-rata
with the prevailing price, is regulated to be delivered.
Another part of my invention consists in means for giving a slight independent
movement to the coin lever, prior to its active movement, and for the purpose of
releasing the coin deposited in prepayment.
A further part of this invention consists in the working of the transmitting part
of the mechanism, and in gear and means for transmitting motion to the notch disc,
whose retrograde movement, driven by the meter, determines the consumption of
gas, by an arm of a valve.
In carrying out one form of my invention, I fit within a framing, a fixed and
slotted quadrant bracket, having rack-like teeth, with which a pinion, made fast
upon an axis, turning within fixed bearings, engages.
This axis has made fast to it, a quantity wheel, with twenty or other suitable
number of notches cut within it. With one or other of these notches, a combined
pointer and spring stud engages, and fixes to a determinate degree, the traversing
space of the slot, and within which slot, a stud, or a block, carried by an arm,
traverses, and by the motion made by the said arm, more or less teeth of a ratchet
wheel are thereby comprehended.
Thus, cach tooth of the ratchet wheel indicates a certain quantity of gas, so that
by the lever being made to describe an arc covering a certain distance, a certain
quantity of gas is allowed to be delivered.
The quantity wheel, by being rotated, communicates motion to the pinion, and
through the pinion, slides the bracket, so that the traverse of the arm, shall be
more or less, according to the price of gas. The stud or lever, which moves within
the slot, of the bracket, turus loose upon an axis, which has loosely mounted upon
it, a ratchet wheel, and carried by the said lever, which has a gap or slot upon its
inner side, are two pawls, which alternately engage with a tooth of the ratchet
wheel, which in the present instance, comprehends one hundred and twenty teeth,
which are equivalent to two hundred and forty, with a single pawl.
Loosely mounted upon the same axis as the ratchet wheel and pawl carrying
lever, is a coin lever rocking arm, with a stud near its upper end, and with a coin
lever turning near its middle upon a pivot centre.
This rocking arm also has upon one side a snug, or an anti-friction wheel, against
which, an arm of the operating handle comes, on the whole of the mechanism being

page_text: turned back. At the back of the ratchet wheel is a clutch, whilst jointed and mounted
below the said axis, is the operating handle, with the arm, as aforesaid, having a
stud at its outer end, which is adapted to engage with an upwardly directed hooked
end of the fore part of the coin lever, whilst the bifurcated part of the fore part of
the said coin lever, comes under the shoot of the coin slot, whose mouth is inverted,
and the throat tortuous, and provided with hanging pawls, for preventing fraud..
The ratchet wheel face has a bevel wheel upon it, which gears with a bevel
pinion, carried by a frame bracket made fast on the principal axis, and which bevel
pinion intergears with the teeth of a second bevel wheel, carrying a notched disc,
loose on the axis, and with a sleeve connected with the said notched disc, which is
terminated by a pointer, adapted to traverse, or come in front of, a dial. Thus
the notched wheel, second bevel wheel, and the indicating finger move together,
whilst the bevel pinion, which is made fast with the axis, makes a sun and planet
movement, in communicating motion from the ratchet wheel bevel wheel, to the
notched disc bevel wheel.
Coming upon the periphery of the notched disc is a pawl acting arm, with
a hooked or detent outer end, adapted to engage or take within the notch,
whilst the other and inner end carries the valve, or influences the movement
of the valve, which works within a valve box, in communication with the gas
supply.
Made fast upon the main axis, which carries the bevel pinion bracket, is a
tangent wheel, with which a worm engages, whilst on the axis of the said worm is
a tangent wheel, with which a worm on the drum axis engages.
OPERATION.
By placing a coin up the coin slot, and the same rolling down its shoot, and
resting upon the forked end of a counterpoised coin lever, the hooked end of the
said counterpoised coin lever is caused to become approximate to a stud of the arm
of the operating handle (which is worked from the ouside). By now pulling the
operating handle upwards, the stud of its cranked arın takes under the hooked end
of the coin lever, and by the quadrant movement made by the said cranked arm,
the coin lever is made to traverse forward, so as to bring the forked end clear
of the outlet of the coin slot, when the coin falls. The said forward movement of
the coin lever takes place prior to the communication of any motion to the ratchet
lever or pawls.
The now continued movement of the said operating handle, brings the stud of
the rocking arun against a front shoulder of the slot of the pawl carrying lever, so
that the coin lever, rocking arm and pawl carrying lever or arm, move together,
until the stud of the latter has passed to the end of the slot of the fixed bracket.
The pawls, during the said movement, have wiped over the teeth of the ratchet,
and one of them is engaged with a tooth. By now pressing the operating and
outside handle in the reverse direction, the stud of its cranked end has been taken
from the booked end of the coin lever, and the extreme fore part of the said arm
brought against a lug, or a roller on the rock arm, when on the stud coming against
the left hand shoulder of the pawl carrying lever, the ratchet wheel is moved round
a distance proportionate to the traverse allowed in the fixed bracket.
The moving from right to left of the ratchet wheel, causes its bevel wheel to
rotate the bevel pinion, and give a reverse rotation to the bevel wheel on the
notched disc, so that the said notched disc, with the finger, is moved in a contrary
direction to the ratchet wheel, and by such movement, the hooked end of the pawl
arm is automatically lifted from the notch, and made to rest upon the plain circum
ference of the disc.
The lifting of the pawl arm from out of the notch, opens the valve, and so allows
gas to flow directly from the drum of the meter, whose axis now rotates and
communicates motion to the worm, and from the worm to the worm pinion and

page_text: axis, and from thence to the second worm, and to the wheel, which turns the main
axis of the mechanism of the attachment, and through which axis, motion is com-
municated to the ratchet wheel, and by its bevel wheel, to the bevel pinion, and
from thence to the disc bevel wheel and finger sleeve, which latter are now turned
from right to left, and are turned back pro-rata to the consumption of gas.
When the notch comes coincident with the detent end of the pawl arm of the
valve, then the said end falls, and cuts off the supply of gas.
When gas is being delivered, the bell cranked end, presses upon the plain
periphery of the disc, and by its means, closes the slot against the introduction of
fresh coins.
The back movement of the notched disc is performed through the intervention of
the bevel pinions, receiving their movements from the drum axis.
In the quantity arrangement, on the price of gas changing, the quantity wheel is
simply rotated to a position indicative of a certain quantity for a fixed sum, and is
there affixed by a catch or other arrangement.
The adjustment of the quantity wheel determines the space through which the
arm and ratchet wheel can possibly move. The adjusted traverse of the arm can
only give out an adjusted quantity in exchange for a standard coin.
By the traverse being extended or curtailed, so the quantity of gas, according to
the prevailing price, is adjusted.
Instead of two pawls, a single pawl may be employed.
ROWLAND WILLIAM BROWNHILL,
By Henry Skerrett,
Agent for Applicant.
COMPLETE SPECIFICATION.
Improvements in, and Additions to, Automatic Prepayment Sale and
Delivery Attachments for Gas and Liquid Meters.
I, ROWLAND WILLIAM BROWNIILL, of Aston House, Victoria Road, Aston,
near the City of Birmingham, Engineer, 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:-
This invention relates to improvements in automatic prepayment sale and
delivery attachments for gas and liquid meters, and is an improvement upon three
several Letters Patent granted to me, and bearing dates May 13th 1887 No. 7012;
May 2nd 1888, No. 6537 and December 21st, 1889 No. 20583, respectively.
One part of my said invention relates to a new or improved price-changer, or
otherwise a means employed for varying the quantity of gas to be delivered in
exchange for a standard coin, and which said quantity to be delivered is in
accordance with the prevailing or market price.
The quantity of gas to be thus supplied at varying times, can be changed, without
interfering with the mechanism of the attachment, or opening the meter, as is the
case with attachments of other constructions.
Thus, according to one part of my present invention, a quantity of gas, pro rata
with the prevailing price, is delivered.
Another part of my invention consists in means for giving a slight independent
movement to the coin lever, prior to its active movement for the purpose of releasing
the coin deposited in prepayment.
A further part of this invention consists in the working of the transmitting part
of the mechanism, and in gear and means for transmitting motion to the notch disc.
Figure 1 of the accompanying drawings represents, partly in elevation, and partly
in section, an automatic prepayment sale and delivery gas meter attachment con-
structed, arranged, provided and fitted according to my invention.

page_text: The sectional part shows how motion is communicated to the notch disc, whose
retrograde movement determines the amount of gas to be consumed, whilst its
forward movement takes the said disc back from the position from whence it started,
and with the notch coincident with the end of the arm, through the medium of
which the valve for supply is opened and closed.
The said view also represents the adjustable price changer, which, in other words,
is a means for regulating the range of motion of the pawl arin whose pawl engages
with a ratchet wheel strung loosely upon the main axis or arbor, and through the
intervention of a pinion the said pawl arm is worked by a toothed sector, controlled,
operated and put in action by the handle or winding-up mechanism and coin lever.
Figure 2 represents a transverse vertical section upon the dotted lines A B
Figure 3 (which is a plan, partly in section of Figure 1) looking towards the
ratchet wheel and pawl arm, and also showing the pinions for transmitting motion
to the disc wheel, or the combined disc and internal gear wheel as hereinafter
described.
Figure 4 represents a transverse vertical section of the said meter attachment
upon the dotted lines C D Figure 3.
Figure 5 represents a complete sectional view of the principal parts of the motion
transmitting mechanism.
Figure 6 represents an elevation of the notch disc carrying the indicating finger,
and also the arm for controlling the valve.
Figure 7 is a topside plan of the said Figure 6, but with one part of the said disc
in section, in order to show the internal gear or toothed annulus sunken within its
inner face.
Figure 8 represents an elevation of the tangent wheel, which is driven from the
meter, and also shows the near side pinion of the twin pinions, whose arbor
passes through and is carried by the said tangent wheel.
Figure 9 is a plan of Figure 8.
Figure 10 represents a side elevation of the coin lever, with its rocking arm. It
also shows the stud upon the said rock arm which works within the clearance of
the toothed sector, as hereinafter described.
Figure 11 is a plan of Figure 10.
Figure 12 is an elevation of the toothed sector; Figure 13 is an edge view of
the same.
Figure 14 shows an elevation of the adjustable price changer, and Figure 15 is a
plan or edge view of the same.
Figure 16 is a front elevation of the handle with its acting arm.
Figure 17 is a plan of the same.
The same letters of reference indicate corresponding parts in the several figures
of the drawings.
a is the principal framing of the attachment, and b is an enclosing casing. c is
an axis or shaft, upon which the principal parts of the transmitting mechanism
are either loosely mounted or are affixedly connected, and which axis or shaft is
mounted within uprights of the fixed framing a. d is a ratchet wheel, and 2 is an
attached pinion of it, loosely mounted upon the axis or shaft c, and engaging with
which ratchet wheel is a spring pawl e, carried by an oscillating and counterpoised
pawl arin e, hung or mounted upon the axis c as its centre of motion, and which
pawl arm carries or has attachedly connected to it, a pinion e³, with which the
teeth of a rocking toothed sector, pivoted and working upon the centre f² engage.
The motion of the pawl arm e², is limited in its downward movement by a
stop e, and in its upward movement by the stop g, of the adjustable price changer g,
mounted upon the main or principal axis c.
The said toothed sector has a clearance or piercing 3, about its middle, within
which a stud or block 2, of a coin lever rocking arm ', pivoted at f, takes, and
to the upper end of the said rocking arm, a counterpoised coin lever h, is pivotedly
connected by a pin at h³. The fore part of the said lever is bifurcated or forked
at, whilst the rear part 1, is weighted, for bringing back the coin lever to a

page_text: neutral position, or out of the range of a pin 2, carried at the upper end of the
rocking arm i, mounted fast on the axis of the handle or turn i¹.
The said coin lever, which is adapted to make a combined rocking and reci-
procating movement, is provided at the top side near its rear end with a hook,
connector or pocket 1, wherein the pin, of the rocking arm i, of the handle
engages, when a coin has been dropped upon the tips of the forked ends h*,
which normally cross the path of the coin shoot j, with gap or opening j², where-
through the said forked ends of the coin lever work, whilst a stop for limiting the
downward movement of the said coin lever upon its fulcrum, is made by the
part, adjacent to the hook, coming against the stop , of the arm i, of
the counterpoised handle i, as aforesaid.
The coin shoots upper part consists of a race j³, with an inverted mouth to slot
(not shown) and depending within the path of the said race is an extremity ³, of a
hung and counterpoised arm, pivoted at 3, and having a weighted end, the said
arm preventing the withdrawal of any coin inserted, thus preventing fraud.
The weight of the coin deposited is sufficient to push aside the end, and to
then fall upon the terminal ends ht, of the coin lever, which is then tilted or falls
into a position that on the turning of the arm i, upon its pivot centre 3, by the
handle, the same comes within the path of the stud 2, and is by the rearward
movement made by the said stud, made to rock and reciprocate backwards, and
bring the stud or block 2, from the one side to the other side of the gap f³, of the
toothed sector, and then to push the sector forward, and rotate thereby the sector
pinion and counterpoised pawl arm carrying the pawl e, which engages with the
teeth of the ratchet wheel d.
Thus assuming that a coin has been passed through the coin slot, rolled down the
coin shoot, and been deposited upon the forked ends, of the coin lever h, the said coin
lever is depressed, the part, brought against the pin 2, of the arm i, as a stop,
and with the hook or pocket he, lying within the path of the said pin 2, when by
rotating the handle, upon the centre ³, the pin i, engages under the hook h, and
gives a forward and rocking movement to the said lever to the extent of the
clearance, when the tips of the ends ', are clear of the coin shoot, when the coin
falls, and from this it will be seen that the coin is deposited within the coin box
prior to any actual movement of the transmitting mechanism taking place.
The continued movement of the handle causes the stud or block, to impinge
upon the side, of the clearance 3, of the toothed sector, and besides moving the
said sector forward, it also carries forward with it the coin lever to its fullest
extent.
The forward movement made by the sector rotates the pawl arm e, through the
pinione, loose upon the axis c, and by such movement, which is limited by the
stop, of the price changer g, the ratchet wheel and its pinion are turned
to an extent equal to the amount of gas to be measured out in exchange for the
coin deposited.
Located between the pawl arm and the ratchet wheel as aforesaid, and made
fast to the axis c, so that the same can only turn with the axis, is a spring clutch /,
having a collar, pinned to the axis, and which clutch is of such a binding
character that when the notch disc (as hereinafter described) is making its return
movement consequent upon the consumption of gas measured out by its forward
movement, the whole of the mechanism mounted upon the axis, and also the axis
itself, move bodily or collectively together, and such movement of the transmitting
parts is in the same direction as when gas is being measured out, other than in
respect of the notch disc, but the said clutch, when the operating handle is being
turned, for a measure of gas allows the whole of the parts which are loose to move
upon the axis, whilst those parts made fast upon the axis remain stationary, viz.,
the clutch itself, and the tangent wheel which receives motion from the drum axis
of the meter.
The ratchet pinion d², intergears with a pinion m², of a twin pinion m, whose
axis m³, passes through and works within bearings formed through the sides of the

page_text: tangent wheel a fast on the axis which gears with a worm wheel n', mounted on an
axis n², having at one end a tangent n³, intergearing with a worm n', of a spindle n",
of the meter.
The offside pinion m², after receiving motion from the pinion 2, transmits its
motion to the pinion m³, and from thence to the internal gear or inside toothed
annulus 0, combined with the notch disc 02, which is loose upon the axis c, and
carries a pointer o³, which traverses a graduated dial P, carried by the frame g.
The edge or periphery of the disc 2, has a notch ', cut within it, wherein the
tip or end, of an arm r, mounted upon an axis, takes, and which axis carries a
lifter, which comes upon the underside of the valve stalk s, of the valve s,
located within the gas way of the supply t.
When the tip of the arm which is fast on the axis, alike unto the
lifter, is upon the edge or periphery of the disc o², and out of the notch'o', the
valve is opened, but when the said tip end, is lying within the notch as in
Figures 1 and 6, the valve is closed, and which tip is kept upon the periphery of the
disc o, o, by the weight of the valve and the lifter arm of it.
Carried by the said disc o², is a studo, which, on the said disc making a complete
rotation, comes against and under the arm u², of a rocking shutter u, pivoted at u,
and having an upper end u³, which takes into and crosses the entrance to the coin
slot, and so prevents the introduction of coin after the depositing of a given
number.
In the price changer g, which turns upon the common axis c, the same is provided
with a quadrant shaped and pierced arm or plate 3, with piercings, indicative of.
the quantity of gas to be measured out by the range of motion which the pawl
arm is allowed to take before it comes in contact with an adjustable stop carried
by the said price changer.
Thus assuming that the prevailing price of gas is 2/7 per thousand feet, then the
peg e, is placed through hole 31 of the said price changer, the said peg v taking
also into a hole in the support v¹.
Again assuming that the price of gas has fallen from 2/7 to 1/8 consequent upon
the cost of coal or other reasons, then the peg is removed, and the price changer
with its adjustable stop turned upon its pivot, and the hole 20 brought coincident
with the hole in the upright, when the peg is introduced, which affixes the changer
in its desired position and also its stop, so as to give the necessary or larger range
of motion which the same is to be allowed to take, and so by its movement to com-
prehend more teeth in the ratchet wheel, and by it to move back the notch disc to
a greater distance.
Thus it will be seen that the longer the range of the pawl arm, the greater will
be the quantity of gas measured out.
The following table will more clearly illustrate the use of the price changer.
Assuming gas to be at 3/4 per thousand cubic feet, then the pawl will com-
prehend in its range a number of teeth of the ratchet wheel, which will measure
out 25 cubic feet of gas.
Thus :-

page_text: Assuming that the price changer is in the position as represented in Figures 1
and 4, and with the gas cut off, and with the extreme end of the valve lifting
arm r, in the notch of in the periphery of the disc o², and with the parts generally
in the positions in which they are represented in Figures 1 and 4, then pass a coin
upwardly through the coin slot, which then falls down the coin shoot j, pushes aside
the end ², of the swinging arm k, and comes and rests upon the bifurcated end,
of the coin lever h, which, by the weight of the said coin, depresses the end 4*,
turns the said coin lever upon its fulcrum ³, elevates the end, and brings the
recess or pocket of the hook ho, lignable with, or in the path of the pin 2, of the
armi, of the crank or counterpoised handle or operating turn i¹. By now turning
the said handle with its arm i, from left to right, the pin 2, on the upper part of
the side of the latter, now takes into or under the hook part 1, of the coin lever,
and impinges against its closed end, first carries the said lever forward, to the
extent of the clearance f³, of the toothed sector f, until just before the stud or
block 3, of the lever strikes the side, of the said clearance, when the bifurcated
end, has cleared the coin shoot, and so the coin falls down the said shoot into
the coin box, and prior to the gas measuring out mechanism being operated or
made active.
The further turning of the handle after this initial movement, traverses and
oscillates forward the said coin lever, causing the stud to impinge upon the said
side, and pushes forward and turns the toothed sector, upon its axis f, and
thereby gives a primary movement to the said sector, which rotates the pawl arm
pinion e³, and turns the pawl arm e², and pawl e, with it, which latter, being in
tooth with the tooth of a ratchet wheel, carries the said ratchet wheel and
its pinion forward to the extent of 29 teeth of the former when their progress is
then arrested by their coming in contact with the stop g³, of the adjustable
price changer g.
The rotation of the said pinion with the ratchet wheel communicates motion to
the pinion m, of the twin pinions m, and through the axis m', to the pinion m³,
which now becomes the driving pinion, and communicates its motion to the com-
bined toothed annulus and notched disc, which carries the index finger or pointer
upon a sleeve of it, and which are collectively rotated in a retrograde or back
direction, to an extent equal to the amount of gas measured out by the ratchet
wheel, (which is practically the gas measuring wheel) and with the end r², of the
valve arm r, taken or lifted from out of the notch of in its periphery, and with the
same now resting upon the plain surface of it, and with the notch removed at a
distance from the said end 2, equal to a distance of the range or traverse of the
ratchet wheel, which has a deterinined number of teeth, and its pinion 16 teeth, and
the pinion of the twin pinions in gear with it cach have 16 teeth, whilst the
internal gear or toothed annulus which the pinion m³, gears, has 48 teeth, the
whole comprising a speed reducing gear of three to one relative to the ratchet
wheel and disc.

page_text: Now as the end of the lever r, has been drawn out of the notch, the lifter, has
been made to make an angular movement the valve has been lifted from its seat,
and the gas supply opened.
It will be understood that the pawl attaches itself or remains stationary in the
tooth of the ratchet wheel in which it has been placed at the end of its traverse,
and between a pause created by the taking of the pin or stud, on the arm i
from out of its engagement with the hook 1, the stud 12, has traversed the
clearance, of the toothed sector f, and then on the back movement of the
said sector, the pawl and arm and parts carried by them are returned to their
normal positions.
Thus, the releasing of the handle ¹, causes the same to fall horizontally, take
the stud, of its arm i, from engagement with the hook 7, releasing the coin lever,
which now turns upon its fulcrum ³, takes the said hook from out of the
range of the pin 2, by the lowering of the weighted end 1, and the elevating
of the end I^.
Then as the handle resumes its normal position by its own weight, and by being
jointed excentrically, the stud 2, is made to impinge upon the opposite side of
the clearance, which presses the toothed sector f, backwards, rotates the pawl
arm pinion e, and turns backwards the pawl carrying arm to its normal position,
and at the same time takes the coin lever back to its normal position, and with its
forked ends crossing the coin shoot.
Assuming that gas is being consumed, the tangent wheel n, is allowed to rotate
consequent upon the motion it receives from the meter axis, and which motion is
communicated to the whole of the transmitting parts and their axis, through the
medium of the twin pinion locking the said tangent wheel n, to the notch disc, and
by the frictional contact of the clutch, so that the whole of the said mechanism
and toothed annulus, notch disc, pinions and ratchet wheel (less the pawl arm
pinion) rotates collectively together in a forward direction, and as the consumption
of gas occurs, so the notch o, in the notched disc approaches the pointed end 22,
of the valve arm, and on the said notch coming exactly opposite the said end, the
said end falls into the said notch, and turns the lever or arm r, upon its centre,
and allows the valve to fall to its seat, when the further consumption of gas is cut
off by the falling of the valve by its own weight on its seat.
The application of my invention to the measuring of water differs in no essential
respect from its application to a gas meter as herein described.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
First. The price changers of coin freed attachments for gas and liquid meters,
consisting of a mounted and jointed swing member, or an adjustable quadrant-
moving member, provided with a range stop or stops and quantity and price
adjuster or determiners, substantially as described and set forth.
Secondly. In the price changers of coin freed attachments for gas and liquid
meters, the combination with the pawl carrying arm for operating the
measuring wheel of an adjustable range stop substantially as described and
set forth.
Thirdly. In the price changers of automatic prepayment sale and delivery
attachments for gas and liquid meters, the construction, arrangement, combination
and fitting of the parts substantially as described and set forth.
Fourthly. In the coin levers of prepayment sale and delivery attachments for
gas and liquid meters, mounting the same upon a rocking arm, and providing the
same with a hook, pocket or equivalent for receiving the pin of an arm of an
operating handle, so as to give an initial movement, an acting movement, and
a freeing movement to the said coin lever, substantially as, and for the purpose as,
described and set forth.
Fifthly. In prepayment attachments for gas and liquid meters, the combination

page_text: with a coin lever mounted and provided as described and set forth, of an operating
handle with arm and pin for both picking up and traversing the coin lever,
operating the mechanism for action, and taking the same back for returning the
parts to their inactive positions, substantially as described and set forth.
Sixthly. In the coin releasing mechanism of prepayment attachments of gas..
and liquid meters, the combination with the coin lever and its carrying arm having
a stud or block of a rocking and toothed sector, having a clearance or middle
piercing, wherein the said block or stud works, substantially as, and for the purpose
described and set forth.
Seventhly. In the motion transmitting means, or motion transmitting and reduction
means of the notched disc, communicating motion by means of twin pinions, or
toothed wheels, with their coupling axis passing through the walls of the meter-
driven or tangent wheel, substantially as set forth, whereby a retrograde
movement of the said notch disc is obtained, with an advancing movement of
the other parts of the mechanism on the measuring out of the commodity.
Eighthly. In the motion transmitting, or transmitting and reduction means, the
combination with the combined annulus and disc o, o², or the annulus or the disc
alone, of gear m and n, substantially as, and for the purpose as, described and
set forth.
Ninthly. In the measuring out and transmitting mechanism, the general,.
construction, arrangement, combination and fitting of the parts as described and
set forth.
Tenthly. In prepayment attachments for gas and liquid meters, the general
construction, arrangement and combination of the parts as described and set forth.
Dated this 18th day of April 1893.
ROWLAND WILLIAM BROWNHILL,
By Henry Skerrett,
6, Livery Street, Birmingham, Agent for Applicant.