Improvements in Car Trucks.
Year: 1891

page_text: Date claimed for Patent under Sect. 103 of Act,
being date of first Foreign Application (in 6th Apr., 1891
United States of America),
Date of Application (in United Kingdom), 7th Sept., 1891
Complete Specification Left, 28th Mar., 1892-Accepted, 30th Apr., 1892
PROVISIONAL SPECIFICATION.
Improvements in Car Trucks.
I, CHARLES WALLACE HUNT, of Barker Street, West New Brighton, in the
State of New York, United States of America, Manufacturer, do hereby declare
the nature of this invention to be as follows
:-
This improvement relates to that class of car trucks in which two wheels and in
axle are pivotally connected to the frame or body of the car.in such a manner as
to swing upon a king-bolt or pin and assume the proper position in travelling upon
either a curved or a straight track.
I find it advantageous to place the frames outside of the wheels to support the
car and its contents more firmly and steadily, and in so doing it has become difficult
to connect the axle boxes so that they will remain in the proper relative positions
to each other and to the king-bolt, and this difficulty I have overcome by the
present improvement which relates to a frame or yoke connected with the axle
boxes and extending around outside of the wheels and then inwardly to the king-
bolt or pin, which is above the axle. Thereby the wheels, axle and axle boxes
are free to swing or swivel upon the king bolt; but such king bolt maintains the
proper relative position of the car body or frame to the truck, and the yoke holds
the journal boxes at the proper distance from each other and in the same plane so
that the boxes cannot tip or become misplaced in relation to the axle or to the
frame of the car.
Dated this 7th day of Sentember 1801
ERNEST DE PASS,
78, Fleet Street, London, and 6, Victoria Street, Nottingham,
Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Car Trucks.
I, CHARLES WALLACE HUNT, of Barker Street, West New Brighton, in
the State of New York, United States of America, 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 :-
This improvement relates to that class of car-trucks in which two wheels and an
axle are pivotally connected to the frame or body of the car in such a manner as
to swing upon a king bolt or pin and assume the proper position in travelling upon
either a curved or a straight track.
I find it advantageous to place the frames outside of the wheels to support the
car and its contents more firmly and steadily, and in so doing it has become difficult
to connect the axle boxes so that they will remain in the proper relative positions
to each other and to the king bolt, and this difficulty 1 have overcome by the
Lin Q21

page_text: In the drawings,
Fig. 1 is a plan view, and Fig. 2 is a section at the line x, x, representing my
improvements.
Fig. 3 is a section at the line y, y, of Fig. 1.
The truck is composed of the wheels B upon the axle C, and the car-frame A,
or body of the car is outside of the wheels, and the axle-boxes D are of any
desired character, and the yoke E is connected at its ends with the axle-boxes D,
and it extends around the wheels B and inwardly to the king bolt or pin F, which
is centrally over the axle C, or nearly so.
In cases where there are not any springs, and the car-frame rests upon the axle-
boxes D, or upon rigid bearers, the king bolt F can be connected directly to the
car frame or body; but I have represented the improvements as made use of in
connection with springs G of any suitable character between the upper surfaces of the
journal boxes D and the head-bars H, which head-bars H suspend the frame A by the
links I, and in this case the frame A and the car-body carried thereby can rise and
fall upon the springs, and it is advantageous to make use of a swinging frame L, to
which the king bolt F is connected, and this swinging frame L is connected with
the frame A in any suitable manner such, for instance, as by the cross-bolt M
and lugs N. The central portion of the yoke E may come either above or below
the frame L, and the surfaces that are in contact may be of sufficient area to
prevent the frame E tipping and for preserving such frame E in the same plane,
or nearly so, as the frame L, or there may be an extension or tongue E' on the
frame or yoke E, passing in between two parallel bars L' L" or bearing-surfaces
upon the frame L, so that the yoke can turn or swivel upon the pin F, as the
axis of the truck-wheels assumes a more or less inclined position to the centre
line of the car, and under all circumstances the wheels, axle, axle-boxes, and
yoke swing as a whole upon the king bolt F and are preserved in their proper
relative positions by the yoke E. Where the head-bar H and links I are made
use of, it is preferable to mortise the yoke E for the passage of the links I, as
shown at one side of said yoke in Fig. 1, such mortises being sufficiently large
to allow for the swinging motion aforesaid; or the yoke E may pass between the
links I and the wheels B, as shown at the other side of said yoke in Fig. 1.
The boxes D and yoke E can be made of one casting, or they may be of
separate parts either set or bolted together, according to the peculiar construction
of the axle-boxes and the other parts of the truck, and the king bolt and the parts
connected by it may be either above or below the axle.
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 combination, with the pair of wheels and the axle, of axle-boxes at
the outer ends of the axle and a yoke extending around the wheels and connecting
the axle-boxes, and through which the king bolt passes at or near the middle part
of the axle, substantially as set forth.
Second. The combination, with the car wheels and axle, of axle-boxes upon the
outer ends of the axle, suspending-links, head-bars, and springs above the axle-
boxes, and a yoke connected with the axle-boxes and extending around the wheels
and receiving the king bolt at or near the middle of the axle, substantially as set
forth.

page_text: Third. The combination, with the car wheels and axle, of axle-boxes upon the
outer ends of the axle, a yoke extending around from one axle-box to the other, a
king-bolt at or near the middle of the axis and to which the yoke extends, and a
swinging frame connected with the car body or frame and receiving the king
bolt, substantially as set forth.
Dated thin 09th dow of Mauch 1905
ERNEST DE PASS,
Chartered Patent Agent,
78, Fleet Street, London, and 6, Victoria Street, Nottingham,
Agent for the Applicant.