Improvement in the Method of Working or Applying Railway- wagon Brakes.
Year: 1895

page_text: Date of Application, 8th Apr.. 1895
Complete Specification Left, 8th Jan., 1 96-Accepted. 8th Feb., 1896
PROVISIONAL SPECIFICATION.
Improvement in the Method of Working or Applying Railway-
wagon Brakes.
I GEORGE BARKER BOWLES of 39 Fairles Street, South Shields in the
County of Durham, Mechanical Engineer and Draughtsman do hereby declare the
nature of this invention to be as follows:-
My invention relates to an improved method in working or applying hand lever
brakes which railway wagons or trucks are generally provided, and its object is to
enable the brake to be applied or released from either side of the wagon or
truck.
In carrying out my invention I employ a break shaft to which are fixed two
hand levers one on either side of wagon, connected to one of these levers is
a toothed rack which engages into a catch or bolt at the side of the wagon,
keeping the hand levers up and the break off, the said catch or bolt is connected by
a shaft to levers, one at either side of wagon, so that it can be released from either
side, and the break applied by pushing one or other of the hand levers down, the
catch or bolt then engages into one of the 'teeth in the toothed rack and the break
is held on.
To release the break the catch or bolt is released from the toothed rack
connected to hand lever, by one or other of the levers at either side of wagon and
the band levers returned to their original position, by these means the operator
can apply or release the break from either side of the wagon or truck.
Having now described the nature of my said invention and in what manner the
same is to be performed I declare that what I claim is
An improved method in working or applying railway wagon brakes, by means of
a toothed rack and catch which can be engaged and disengaged from either
side of the wagon or truck, and allow the break to be applied and released as
herein described.
ليم
1
J
A 1805
COMPLETE SPECIFICATION.
Improvement in the Method of Working or Applying Railway-
wagon Brakes.
I, GEORGE BARKER BOWLES of 39 Fairles Street, South Shields in the
County of Durham, Mechanical Engineer and Draughtsman, 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 an improved and more or less automatic device
connected with railway-wagon brakes and consists essentially in the provision in
combination with the brake handles or levers of toothed racks adapted to gear or
ungear with spring catch bolts as hereinafter described.
The invention is intended to supplant the present clumsy method of having
to secure the brake lever in the desired position by meaus of a pin inserted in the

page_text: requisite hole of a perforated iron plate and also to enable the operator to apply
or release the brake as hereinafter described from either side of the wagon and
in order to fully explain the same I will refer to the accompanying drawings in
which
Figures 1 and 2 show in side and end elevation part of a wagon and brake device
with my improvements fitted thereto;
Figures 3 and 4 show enlarged side and end views (the latter partly in section)
of the essential or novel part of the mechanism and in the following description
like marks of reference indicate like parts.
Referring to the drawings, 5 is a segmental toothed rack pivoted or otherwise
secured at 6 to the brake handle 7. The rack is arranged to pass up through a
suitably formed slot or opening between for example a pair of iron plates 8, 8 and
lying between these plates is also arranged the spring catch bolt 9 the end 10 of
which is formed to fit the indentations in the rack. The lowest tooth 11 in the
rack is preferably formed deeper than the upper teeth as this tooth will normally
be in gear with the bolt 9 when the brake is not being used. The bolt 9 thus
acts in conjunction with tooth 11 to "hold up" the brake out of gear with the
wheels.
'
On the side of the bolt is a pin 12 which projects outwards as shown into
a slot 13 in a handle or lever 14 mounted on a shaft working in bearings formed
for example by lugs 15 on the side-plates 8. This shaft may extend across the
wagon or not as desirable and as hereinafter described but preferably it does
extend across the wagon as shown in Figure 2 at 14ª.
.
The slot 13 is formed to suit the travel of the bolt 9 both into the deeply set
tooth 11 as well as into the upper teeth.
The lever 14 is intended to be used to actuate the bolt or bolts 9 so as to put it
or them in or out of gear with the rack or racks as and when required.
Behind
the bolts 9 I fit in each case a spring 16 whose tendency and function is normally
to force the bolt forward towards the rack but the bolt can be drawn back by
lever 14 so as to compress the spring when desired.
In the case of wagons having only one brake lever then it is not necessary to
carry shaft 14 across the wagon but it is desirable to fit all wagons with a brake
lever on each side and in this case the shaft 14° is carried across the wagon as
shown in Figure 2 and fitted at both ends with apparatus such as is shown in
Figure 3 that is to say a lever 14 adapted to actuate a bolt 9 in connection with a
rack 5 as above described. Thus where wagons are fitted with brake levers 7 and
my improved apparatus on both sides as shown in Figure 2 then the brake can be
applied or released from either side but if the rack-apparatus is on one side or lever
only it is obvious that the brake cannot be so conveniently worked.
Suppose now that the parts are in the position shown in Figures 1 and 2 and
that the brake has to be applied the attendant first pulls over the lever 14 (in the
direction shown by the arrow) which withdraws bolt 9 from tooth 11. The brake
handle is then free to descend (aided if necessary by the attendant) carrying with
it the rack and when the brake is full on it is locked there by the return of the
spring-bolt 9 gearing with one of the upper teeth as shown in Figure 3. To free
the brake the bolt 9 is again withdrawn as above described and the brake
handle lifted or returned to its original position where it is again held by the bolt
as shown in Figure 1.
It will be clear that the shaft 14* simply connects the apparatus on both sides of
the wagon and thus enables the brake to be applied or released from either side
as required thus the pulling over of one lever 14 will obviously through shaft 14
operate the opposite lever 14 and bolt 9 as above 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 :-.
1. The combination with the handle or lever 7 of an ordinary brake of A

page_text: segmental toothed rack 5 adapted to gear with a catch-bolt 9 which in turn can be-
thrown in or out of gear with the rack by means of a lever 14 these several parts.
being arranged combined or adapted to operate substantially as and for the-
purposes herein set forth.
2. In combination with the device firstly claimed the use of a shaft 14 extending-
across the wagon and fitted at its further end with apparatus similar to that firstly
claimed to permit of the brake being operated or applied and released from both.
sides of the wagon substantially as herein set forth.
Dated this 7th day of January 1896.
A. CRAWHALL CHAPMAN,
3 St. Nicholas Buildings, Newcastle-on-Tyne, Patent Agent..