Year: 1886

page_text: Date of Application, 9th Aug., 1833.
Complete Left, 7th May, 1887.
Complete Accepted, 7th June, 1887.
I, CHARLES PARMENTIER, Engineer in care of Messrs. Bede, and Co. 41 Rue du
Marteau Brussels in the Kingdom of Belgium do hereby declare the nature of this
invention to be as follows:-
--
This invention relates to journal bearings for axles and consists in forming bearings
of forged iron or steel in place of cast iron or steel or other metal, so that they may
have exactly the required form and resemble those made in the usual manner, but have
the advantages over the latter of being lighter and stronger and of being perfectly
smooth and free from flaws,
The journal bearing consists of two parts the lower part being made as follows ;-
Three separate plates of iron or steel are forged or stamped in moulds either by a
steamhammer, hydraulic press, or any other means. One of these plates will form
the bottom and sides of the lower part of the bearing. The second plate will form the
front end and the third the further end. These three plates on leaving the moulds will
have exactly the required form except that the first has to be given the requisite
curve. After this has been gradually effected by successive operations in a suitable
holder or matrix, so as to correspond to the two end pieces, the latter are forged
onto it. The first plate is provided during its stamping or forging with a mass of
metal which on being bored will form an inlet funnel or tube for the grease or oil.
The plate is also provided with a pair of raised portions of sufficient height to form
a groove to receive the spring supporting the same.
The lower part of the bearing is now complete.
The upper portion is correspondingly forined in the same manner and needs no
special description.
2
1000

page_text: COMPLETE SPECIFICATION.
Improvements in the Manufacture of Journal Bearings.
I, CHARLES PARMENTIER, Engineer, in care of Messrs. Bede & Co., of 29 Rue
Philippe-le-Bon, Brussels, in the Kingdom of Belgium, do hereby declare the
nature of my said 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 journal bearings principally for car-axles and consists in a
process of forming the same of forged iron or steel in place of cast iron or steel as
heretofore used.
The advantages thereby gained are, less weight, smooth surface, greater strength,
and freedom from flaws.
The bearings are formed in two parts the lower bearing and a cover for the same.
Referring to the accompanying drawings showing the lower part of said bearing in
various stages of manufacture
Figures 1, 3 and 5 are elevations representing, as they come from the moulds, the
three plates of which the lower part of the bearing is formed. The main plate shown
in Fig. 1 having afterwards to be curved.
Figures 2, 4 and 6 side views of Figs. 1, 3 and 5 respectively, Figure 2 showing the
main plate when flat or unfolded.
Figure 7 section on line Q, R. Figure 8 section on line S T of Figure 9 which
shows the plates A in a further stage of manufacture.
Figure 10 section on line K L M N Fig. 14.
Figure 11 section on line G H Figs. 12 and 14.
Figure 12 section on line OP Fig. 14.
Figure 13 section on line E F Figs. 12 and 14.
Figure 14 plan of lower bearing completed.
Figures 15 and 17 opposite end views and Figure 16 an elevation of the same.
The lower part of the bearing is made from three plates of iron or steel A, B and C
which are forged or stamped in moulds separately by a steam hammer, hydraulic
press, or other suitable means so as to give them respectively the forms shown in
Figs. 1, 3 and 5. The first plate A is provided during its stamping with the mass of
steel or iron G which is afterwards bored as shown in Fig. 13 to form an inlet for the
grease or oil. The plate A is also provided by the stamping or forging with two
portions of greater thickness raised to a sufficient height to form a groove for holding
the spring. The plate A is next gradually bent in several successive operations
in a suitably formed holder or matrix which gives it the form represented by
Figs. 7 to 11.
The end pieces B and C (Figs. 3 to 6) are now forged over the edges a b c d of the
curved plate A (Fig. 7) and the piece G bored. The lower part of the bearing is now
finished and has the form shown in Figs. 14 to 17.
The corresponding cover to this bearing is made in the same manner and will
therefore need no further description or illustration.

page_text: Having now particularly described and ascertained the nature of my said invention
and in what manner the same is to be performed, I declare that what I claim is :-—
The manufacture of journal bearings of wrought iron or steel in two parts, said
manufacture consisting in stamping or forging for the under part three separate
plates A, B and C, in providing the plate A during its forging with a mass or pro-
jection G and two raised portions h of steel or iron, in curving the plate A and forging
thereon the plates B C, the upper part being manufactured in same manner but without
the projections G and h, the whole substantially as described and illustrated and for
the purpose set forth.