Improvements relating to Means or Apparatus for Burnishing the Edges of Harness Traces, also Applicable for Straps, Bands, and the like.
Year: 1899

page_text: PROVISIONAL SPECIFICATION.
Improvements relating to Means or Apparatus for Burnishing the
Edges of Harness Traces, also Applicable for Straps, Bands, and
the like.
I, MARSHALL HENRY PEARSON, of the Union Works, Belgrave Road, Leicester,
Engineer, do hereby declare the nature of this invention to be as follows:-
This invention consists of improvements relating to means or apparatus for
burnishing the edges of harness traces, also applicable for straps, bands and the
like. After the straps have been sewn together to form a trace, for instance,
in the well-known way, the edges are trimmed or shaped by any suitable means,
and afterwards burnished, and this invention relates to means or apparatus by which
the said burnishing may be accomplished. Hitherto the burnishing has been
performed by a heated die or tool, rubbed to and fro by hand over the edges
of a trace or the like, or such articles have been drawn, between dies or tools
carried in supports, one of which was adjustable.
This invention consists of a bed having vertical arms thereon, the said bed
being shaped to receive a saddle which may be moved to and fro by means of a
screw passing through one of the said arms and provided with a hand wheel
or equivalent.
One of the said arms may be adapted to receive a fork and a similar fork
may be fixed in the saddle, and there may be inserted into the jaws of the said
forks or equivalents, polygon dies having each edge formed a different shape or
size to suit the various edges of the traces or the like, or instead of the said
polygon dies, runners or wheels having shaped peripheries or edges may be
carried in the said jaws, such runners or wheels being changed for the various
shapes or thickness." As some traces vary in thickness along their length, the
said runners or wheels may be so shaped as to conform to the varying thickness,
or expanding spring-controlled dies or tools may be used for the same purpose.
To enable the trace or the like to be readily put in position without moving the
saddle, the arm carrying the die or tool may be hinged or pivotted, or toggle or
bell-crank levers, carrying such dies or tools may be pivotted or fulcrummed to
the arm or saddle as found convenient, the said levers being drawn into opera-
tion when the trace or the like is placed into operative position. Suitable rollers
may be mounted front and back of the said dies or tools and either or both pairs
of rollers may be driven in any well-known way and spring controlled for adjusting
to varying thicknesses of trace, or the like.
It will be understood that whichever of the aforesaid dies or runners are used,
they are heated preferably by gas flames directed into holes formed in the said
dies or runners and having much smaller outlets for the flames.
Dated this 8th day of April 1899

page_text: Improvements relating to Means or Apparatus for Burnishing the
Edges of Harness Traces, also applicable for Straps, Bands, and
the like.
I, MARSHALL HENRY PEARSON, of the Union Works, Belgrave Road, Leicester,
Engineer, 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 invention consists of improvements relating to means or apparatus for
burnishing the edges of harness traces, and is also applicable for burnishing the
edges of straps, bands and the like.
After the straps have been sewn together in the well-known way to form a
trace for instance, the edges are trimmed or shaped by any suitable means and
are then burnished, and this invention relates to the means or apparatus by
which the said burnishing operation is effected.
Hitherto such burnishing has been accomplished by means of a heated die
or tool rubbed to and fro by hand along the edges of a trace or the like.
This invention consists of a bed or frame having a boss thereon at each end
to receive cylindrical extensions formed on movable saddles, one of the latter
being adjustable by means of a screw passing into one of the said bosses and
provided with a handwheel or equivalent means for turning said screw, and the
extension on the other saddle being readily adjustable and retained in the
desired position by means of a spring-controlled lever or equivalent means engag-
The
ing with teeth or serrations formed on the underside of the said extension.
said saddles and extensions thereon are bored for a suitable distance to receive
the shanks of the dies or tools for effecting the burnishing operation.
The invention will be clearly understood upon reference to the drawing accom-
panying this specification in which,
Figure 1 is a longitudinal elevation partly in section and Figure 2 a plan of
the means or apparatus for burnishing purposes constituting this invention.
Figures 3 and 4 are end elevations thereof and Figure 5 is an elevation of a
saddle shown detached.
Figure 6 is a sectional plan through the gas cock.
Like letters of reference indicate like parts throughout the several figures.
The bed or frame A has preferably formed integrally therewith two bosses A¹ A2
which are bored to receive therein the horizontal cylindrical extensions B2 B
of the saddles B B₁ respectively.
The said extensions B2 B3 are bored along a suitable distance to receive the
shanks C¹ C¹ of the dies or tools C C (which are readily interchangeable for any
purpose) and the said dies or tools are retained in position by means of wing
screws DD the bottom parts of which rest on flats 1) D¹ formed on the upper
parts of the said shanks.
-
The said burnishing dies or tools CC, as clearly seen in Figure 1, are shaped
to conform with the shape of the edge of the trace or the like to be burnished.
To render the apparatus readily adaptable to different widths of trace or the
like the extension B³ of the saddle B has teeth 134, formed in any suitable way.
on its underside. A lever E pivotted on the spindle E which passes through
the bed or frame A, is controlled by a spring F secured to the said frame by a
screw F¹, the said spring holding the inner end of the lever E in engagement
with one of the teeth B on the extension B3 as before stated.

page_text: As shown in Figures 1 and 2 the dies or tools C C are withdrawn to their
fullest extent and if when in this position. the operator had to burnish the edges
of a trace or strap of smaller width he would quickly adjust the dies or tools
approximately to the desired width by pushing inward the saddle B¹ and the
die or tool C therewith, until the latter came into contact with one edge of the
trace or the like, when the inner end of the lever E under the influence of the
spring. F before mentioned, would immediately engage one of the teeth B.
and hold the saddle B₁ and parts carried thereby in position, after which step
the opposite die or tool carried by the saddle B would be moved inward to give
the necessary amount of frictional contact for the burnishing operation to be
effected.
The adjustment of the saddle B may be accomplished to any desired degree
by means of a screw G threaded into the end B of the extension B2. The said
screw is preferably formed with a flange or collar G and a neck G2 and is
retained in position in the boss A2 by a collar H held by a grub screw H¹ (see
Figure 1).
A handwheel J or equivalent, is fixed by any suitable means on the outer
end G3 of the said screw G.
To withdraw the saddle B¹ and die or tool C carried thereby the outer end Ea
of the lever E is pressed upward by the operator to disengage the inner end of
the said lever, from the teeth B'.
As it is essential to heat the burnishing dies or tools, to effectively accom-
plish the burnishing operation, atmospheric burners K K are fixed to pipes K¹ K¹
supported in the lower vertical extensions 135 B36 on the saddles B B respectively;
or instead of the said burners, the extensions B5 B6 may be bored vertically (see
dotted lines in Figures 1 and 5) and the gas pipes connected to the said bores,
at the top of which may be drilled small holes b forming the outlets for the gas.
The burnishing dies or tools CC have holes CC formed therein, reduced in
diameter at the top into which the gas flames are directed.
The burners KK before mentioned and pipes K'K' are preferably connected
to pipes K2 K2 on the double cock L by means of rubber tubes K K³, the latter
readily allowing of the necessary adjustment of the dies or tools in the manner.
before stated.
The plug L¹ (see Figures 1 and 6) has preferably three openings, one facing
the supply pipe M and smaller openings to the pipes K2 K2 so arranged in rela-
tion to each other that by moving the lever N connected to the bottom of the
said plug either to the right or left of its position as shown in Figures 1 and 2,
the gas supply may be completely cut-off or controlled, and to also assist in
controlling or regulating the gas supply, adjusting screws 0 0 pass downward
from the face of the frame of the cock L and into the interior of the pipes K² K².
The said cock L is attached to the bed or frame A by screws P P passing upward
and into the underside of the sides of the bed or frame A.
Having now particularly described and ascertained the nature of my said in-
vention and in what manner the same is to be performed, I declare that what I
claim is:
1. A burnishing apparatus in which both edges of a trace or the like are
burnished at one operation, substantially as described and illustrated in the accom-
panying drawing.
2. A burnishing apparatus provided with means for supporting the burnishing
dies, one of the said supports being adapted for quick adjustment and the other
support adapted for applying the pressure, in the manner and for the purpose
specified and illustrated in the accompanying drawing.
3. In apparatus for burnishing the edges of traces and the like the employment
of means for supporting and adjusting the burnishing dies substantially in the
manner and for the purpose described.
4. In apparatus for burnishing the edges of traces and the like the combination

page_text: with the burnishing dies of adjustable supports and means for heating the said
dies in the manner substantially as described and illustrated.
5. A burnishing apparatus consisting of the parts constructed arranged and
operating substantially in the manner and for the purpose described and illus-
trated in the accompanying drawing.
Dated this
day of January 1900