Improvements in Oar Trucks.
Year: 1891

page_text: Date claimed for Patent under Sect, 103 of Act,
being date of first Foreign Application (in 16th Feb., 1891
United States of America),
Date of Application (in United Kingdom), 7th Sept., 1891
Complete Specification Left 25th And 1209—Accented 11th June 1209
PROVISIONAL SPECIFICATION.
Improvements in Oar 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 :―
In railway car-trucks a single axle with a pair of wheels has been pivotted at
the central part by a sleeve around the axle and a triangular frame hinged to the
frame of the car.
"
In this construction of car-trucks there is often considerable bending strain upon
the king bolt, especially so when the journal boxes are connected by links to the
frame:
-
My present invention is intended to relieve the king bolt from lateral or bending
strain; and it consists in an arm extending out from the sleeve and bearing against
guides upon the frame so that the strength of the arm or bearer is taken advantage
of for maintaining. the bearer and king bolt in a vertical position and preventing
the bending strain coming upon the king-bolt, and the arm is free to be moved
laterally between the guides on the frame. In cases where springs are applied
between the hanging links and the axle-boxes, it is preferable to make use of a
riangular frame and to provide supports upon such frame for the arm upon the
aforesaid sleeve, thereby the parts are held in their proper relative position at the
same time that a rising and falling motion of the car body or truck-frame upon
he springs is allowed for.
-The flanges of the car wheels are on the outside because with one pair of wheels
nd an axle swinging upon the king bolt the outer flanges are found in practice the
nost reliable for giving the proper horizontal movement or swing to the axle in
ntering and leaving curves in the rails.
Dated this 7th day of September 1891.
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
bé particularly described and ascertained in and by the following statement,
reference being had to the accompanying drawings and to the letters and figures
marked thereon, that is to say :-
In railway car-trucks a single axle with a pair of wheels has been pivoted at the

page_text: central part by a sleeve around the axle and a triangular frame hinged to the frame
of the car.
In this construction of car-trucks there is often considerable bending strain
upon the king-bolt, especially so when the journal boxes are connected by links to
the frame. My present invention is intended to relieve the king-bolt from lateral
or bending strain; and it consists in an arm extending out from the sleeve and
bearing against guides upon the frame so that the strength of the arm or bearer is
availed of for maintaining the bearer and king-bolt in a vertical position and
preventing the bending strain coming upon the king-bolt, and the arm is free to
be moved laterally between the guides on the frame; and in cases where springs
are applied between the hanging links and the axle-boxes, it is preferable to make
use of a triangular frame and to provide supports upon such frame for the arm
upon the aforesaid sleeve, thereby the parts are held in their proper relative
position at the same time that a rising and falling motion of the car-body or truck
frame upon the springs is allowed for.
The flanges of the car-wheels are on the outside because with one pair of
wheels and an axle swinging upon the king-bolt, the outer flanges are found in
practice the most reliable for giving the proper horizontal movement or swing to
the axle in entering and leaving curves in the track.
In the drawings,
Fig. 1 is a plan view representing the present improvement as applied to a pair
of truck-wheels, and
Fig. 2 is a vertical section at the line of Fig. 1.
•
The wheels B are upon the axle C, and there is a cross-bearer or sleeve E
between the two wheels and over the axle, and the truck or frame A may be of
either wood or iron, and it may be either between the wheels or outside of the
same, and any suitable connection may be provided between the axle-boxes and the
frame. The king-bolt 5 serves to connect the sleeve or bearer E to the car, and
this king-bolt 5 might pass into a cross-beam of the car itself; but I prefer to
employ a triangular frame L, through which the king-bolt 5 passes, and the base
of the triangular frame L is represented as connected by the cross-shaft or
hinges 4 to the car or truck frame. An arm G extends out laterally from the
sleeve or cross-bearer E, and such arm passes in between two supports 6 and 7.
These supports 6 and 7 may be directly one above the other, or they may be one
in front of the other. I have represented such supports 6 and 7 as upon the
triangular frame L, and the arm G between such supports is free to be moved by
and with the sleeve or bearer E, as such bearer E and the axle assume a more or
less inclined position to the center of the car, and there should be stops upon the
supports 6 and 7 to limit the movement of the arm G in either one direction or .the
other. These supports 6 and 7 might be upon the under side of the car in cases
where the triangular frame L is dispensed with, and under all circumstances the
pair of truck-wheels, axle, and sleeve can swing upon the king-bolt 5 in either
passing around a curve or in travelling upon a straight track, and the arm G
between the supports 6 and 7 relieves the king-bolt of any strain tending to bend
such king-bolt, because the arm G holds the bearer E in its proper upright
position, but at the same time allows for the turning of the parts upon the king-
bolt.
In cases where springs are applied between the hanging links and the axle-
boxes, it is preferable to make use of the triangular frame L and to provide the
supports 6 and 7 for the arm G upon such frame, because the parts are held in
their proper relative position at the same time that a rising and falling motion of
the car-body or truck-frame upon the springs is allowed for. The flanges of the
car-wheels B are on the outside, as shown, because with one pair of wheels and an
axle swinging upon the king-bolt the outer flanges are found in practice the most
reliable for giving the proper horizontal movement or swing to the axle in entering
and leaving curves in the track.

page_text: 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 car wheels and axle, of a bearer on the axle
and between the wheels, a pivot connecting the bearer with the car body or frame,
and an arm extending out from the bearer, and supports against which the arm is
permitted to move horizontally and by which the bearer is retained in normal
position, substantially as set forth.
Second. The combination, with the car-frame and the pivoted frame, of an axle
and pair of wheels, a sleeve or bearer over the axle between the wheels, a king-
bolt connecting the bearer and the frame, an arm extending out from the bearer,
and supports upon the frame, between which the arm is allowed a limited
horizontal movement, substantially as and for the purposes set forth.
Third. The combination, with the car or truck frame and the frame pivoted
thereto, of an axle and pair of car-wheels with outside flanges, axle-boxes, springs
and suspending liuks, a bearer over the axle, a king-bolt connecting the bearer
and the frame, an arm extending out from the bearer, and supports for the arm,
between which such arm is allowed a limited horizontal motion, substantially as set
forth
Dated this 25th day of April 1892.
ERNEST DE PASS,
Chartered Patent Agent,
78, Fleet Street, London, and 6, Victoria Street, Nottingham,
Agent for the Applicant.