IMPROVEMENTS IN JOURNAL BOXES
Year: 1884

page_text: COMPLETE SPECIFICATION.
I, HERBERT JOHN HADDAN, of the firm of Herbert and Company, Patent
Agents, of 67, Strand, in the City of Westminster, Civil Engineer, do hereby
declare the nature of my Invention for IMPROVEMENTS IN JOURNAL BOXES, and in
what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement :-
My Invention relates to improvements in journal boxes provided with anti-
friction rollers. The object of my Invention is to provide a journal box of the class
aforesaid that will be more durable than those heretofore in use. A further object
is so to construct and arrange the parts that the necessary wear will come on
pieces that can easily be replaced and with little expense.
With those objects in
view my
Invention consists in certain features of construction and in combination
of parts hereinafter described and pointed out in the claims.
In the accompanying Drawings Fig. 1 is an elevation of the box, ring, and
axle. Fig. 2 is a plan view of the inside of the box with the edges of the box
shown in horizontal section. Fig. 8 is a vertical section of the box, cap, and block,
and in elevation the roller and axle. Fig. 4 is a longitudinal section of a roller.
Fig. 5 is an isometric view of a stud. Fig. 6 is a view in perspective of a packing
ring. Fig. 7 is a view in perspective of the box and a portion of the axle.
A represents a journal box provided on the inside with the annular řib, a, that
engages annular grooves respectively on the roller B, and holds them endwiso.
The rollers are arranged around the journal of the axle C, and intermediate
botween the said journal and box, and are further held in position by the rings B¹,
that are secured by the studs b, that extend through a central longitudinal bore in
each of the rollers and thereby furnish the bearings on which the rollers revolve.
These studs are provided at each end with a shoulder b', and a screw end and nut
at b, and between the shoulders and nuts the said rings are secured. These studs
may be smaller in the central part as shown in Fig. 5, so that the bearings of the
rollers will be on the enlarged part of the stud next back of the shoulders.
The rings B¹ are provided with holes equidistant apart, through which the screw
ends of the studs pass, allowing the rings to abut against the said shoulders, and
when pressed by the nuts from the outside, the rings and studs form a rigid frame
work that holds the rollers in position.
The ends of the rollers are slightly crowning so that they only engage the rings
near the studs and, the friction and wear between those two parts is nearly
nominal.
The ends of the axle are preferably straight across, but might be a trifle
crowning if so desired, and engage the cylindrical blocks, d, that are convex on

page_text: their faces that abut against the end of the axle, and are designed to resist the
lateral motion or pressure of the car or axle. These blocks are each set in an
annular recess in their respective caps D that cover the journal box A. The said
blocks are provided with dowel pins, d, that extend also into the cap and hold
the block from revolving. Shins or thin pieces of metal, d, may from time to
time, as required, be inserted between the cap and block at the bottom of the
recess to keep the former against the end of the axle and to take up the wear.
An oil-cup or chamber E is provided on the upper portion of the cap, the outlet
of which is so arranged as to discharge oil on the top at the union of the axle and
block, thereby securing an adequate lubrication of these parts. From thence the
oil is discharged into the bottom of the box, and by the action of the rollers, is
distributed to all parts of the journal and inside of the box. F is a packing-ring
preferably of leather compressed or crimped into the proper form, as shown in
Fig. 6, and is inserted at the rear end of the box and held in the position shown
in Fig. 3, by the plate f. The corner of the box, as shown, is rounded to conform
to the shape of the packing-ring and as a box is slipped on to the axle, the
packing-ring encircles the axle, and the inner edge of the ring forms a tight joint
with the axle, that prevents ingress of dust and dirt and the escape of the oil from
the box. As this inner edge of the packing ring, that is in contact with the axle,
is always saturated with oil, tho wear of the same is very alight, and when new
packing-rings are required, they may be supplied at a trifling cost. The box being
so constructed, there is no escape or loss of oil.
The blocks d are also inexpensive, and by renewing them occasionally, this part
of the device may be kept always in good order. By the arrangement of the parts
aforesaid the frame-work that holds the rollers, consisting of the rings B¹ and the
studs b, is always equally required, regardless of the wear of parts.
As the rollers are hardened steel, the wear of those parts is confined almost
entirely to the studs, which may be removed at any time. But the labor of the
studs in merely guiding and holding the rollers in the proper relative position is so
light that the studs are likely to last as long as the other parts of the structure.
Having now particularly described and ascertained the nature of my said
Invention, and in what manner the same is to bo performed, I declare that what
I claim is
1. The combination with a journal box and an axle, of the anti-friction rollers B,
the rods or studs b, each being provided at opposite ends with a shoulder bl, the
binding rings B', and nuts for securing the parts together, substantially as set
forth.
2. The combination with a journal box provided with an annular rib, and an
axle, of the anti-friction rollers B, each provided with a peripheral groove, the rods
or studs b provided with the shoulders b³, the binding rings B³, and nuts for
securing the parts together, substantially as set forth.
3. The combination with an axle box provided at one end with a recess, and
with holes for dowel pins, and an axle, of the block d situated within the recess
and provided with a convex face against which the end of the axle bears, and
with dowel-pins to prevent it from turning, substantially as set forth.
Din LT001