Improvements in Brakes for Railway and other Vehicles.
Year: 1890

page_text: Date of Application, 9th Apr., 1890-Accepted, 10th May, 1890
COMPLETE SPECIFICATION.
Improvements in Brakes for Railway and other Vehicles.
We CARL NITTINGER and ALBERT ROTTER, Manufacturers of Langensabra in the
Kingdom of Prussia and German Empire do hereby declare the nature of our said
invention and in what manner the same is to be performed to be particularly
described, and ascertained in and by the following statement:
The brake hereinafter described can be used for vehicles of any description
travelling on rails, but it is more particularly applicable to railway trucks or
wagons such as those used in mines or on local lines employed in cement and other
works to transport the raw material upon railway lines.
The accompanying drawings illustrate the application of this improved brake to
such a truck, Fig. 1 being a longitudinal section of the vehicle with the brake applied
thereto. Fig. 2 is part of a longitudinal section with the brake shewn out of gear
while Fig. 3 is an underneath view of the vehicle with the brake applied.
The body A of the truck is carried in the ordinary manner upon the wheel axles k.
The latter are firmly connected together by the longitudinal iron bars f and are
surrounded centrally by wide iron bands c and c¹ which extend below forming
brackets, within which the brake-rod f¹ is mounted. The latter extends along the
whole length of the truck underneath the same and is actuated by the operating
lever a which oscillates upon a bracket fixed to the body of the vehicle as illustrated.
Upon the brake rod f1 are placed, immediately behind the two axles k (against which
they bear at one end) two strong spiral springs and d¹, the other ends of which
press against the pins or studs h, h₁ so that by pushing back the brake rod f¹ the
springs d and d' are expanded.
The brake arme is placed in front of the hind wheels between the longitudinal
bars and the brake rod f¹ being firmly connected to the latter and these arms carry
sliding brake-blocks or shoes g. The latter have on their inner side a projecting
edge g¹ which serves as a guide to the same when the truck is in motion in the same
manner as the flange on the wheel. The lower sliding surfaces or sledges are raised
slightly off the rails B when out of use.
When the brake is not acting the operating lever a is drawn in and the springs d
and d are consequently pressed together as indicated in Fig. 2.
When it is required to apply the brakes the operating lever a is released and the
springs d and d force the brake-shoes 9 upon the wheel tyres, the latter turning
partly against the shoes cause the lower straight surface of the brake shoes to slide
upon the rails and the brake thus becomes fully applied. The latter cannot skid
on account of the large frictional surface presented by the brake shoes.
The improved brake is applicable to the front as well as to the rear or to both
wheels.
Having thus particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we declare that what we'
claim is
In a brake for railway trucks and other vehicles the employment of a spring brake
rod arranged beneath the vehicle and carrying at the extremities of a pair of arms
brake blocks or shoes adapted to press against the periphery of the wheels of the
vehicle and upon the surface of the rails, all mounted and operating substantially
as herein before described and illustrated on the accompanying drawings.
Dated this 8th day of Anril 189N
JOHN G. WILSON,
Patent Office, 55, Market Street, Manchester, Agent for the Applicants.