Year: 1887

page_text: Date of Application, 1st Apr., 1887
Complete Left; 2nd Jan., 1888
Complete Accepted, 3rd Feb., 1888
1 FREDERICK WILLIAM HENRY DURANT, of 28, Peel Place, Bradford, in the County
of York, Insurance Broker, do hereby declare the nature of this invention to be as
follows:-
--
This invention relates to novel and useful improvements in hub lamps for veloci-
pedes, and its object is to prevent the shadow cast in front of the wheel by the tire or
rim intervening between the light and the ground.
For this purpose I employ two lights in one lamp, placed as wide apart as the
nature of the hub and lamp will allow, and two reflectors in combination there-
with. Or I employ one light in combination with two reflectors, or a modification of
two reflectors. The said reflectors are in each case adapted to approximately focus or
reflect the light so as to illuminate the part in front of the wheel hitherto left in the
shade.
I preferably use round concave reflectors with larger or smaller segments cut away
at the point where they meet according to the number of lights employed, and for the
purpose of facilitating their relative adjustment they may be hinged together, and a
screw, or screws, is, or are arranged in connection therewith and project behind the
lamp. Springs which are more or less compressed by the said screw, or screws, are
also fitted behind the reflectors so as to prevent noise and vibration, and reduce the
liability of the said screws shaking loose. In some cases the reflectors may be
mounted on a straight spring suitably secured in the lamp, which may be deflected at
the centre by a screw passing through the back of the lamp, thereby inclining the
reflectors towards each other according to the amount of deflection.
For cleaning purposes the reflectors are preferably arranged to unscrew, or are
otherwise detachable from their mountings.
Dated this 31st day of March 1887.
DRACUP & NOWELL,
Bradford, Agents.

page_text: I, FREDERICK WILLIAM HENRY DURANT, of 26, Peel Place, Bradford, in the
County of York Insurance Broker, 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 relates to novel and useful improvements in hub lamps for veloci-
pedes, and its object is to prevent the shadow hitherto cast in front of the wheel by
the tire or rim intervening between the light and the ground.
The said improvements consist in employing two reflectors constructed and arranged
to reflect the light from one or two lights burning in the lamp to the point in front of
the tire where the said shadow has hitherto been cast.
In order to fully describe my invention reference is to be had to the accompanying
drawing forming a part of this specification in which similar letters of reference
indicate corresponding parts in all the figures.
Figure 1, represents a hub lamp provided with two lights and reflectors arranged
in accordance with my invention, the front of the lamp is omitted and the top for
connecting it to the hub of the wheel is shown broken away. Figure 2, is a trans-
verse section of the same through the broken line a, b, in the former figure.
Figure 3, is a similar view to figure 1, illustrating the arrangement of one light and
two reflectors. Figure 4 is a section of the same through the broken line
C, figure 3.
Referring to figures 1 and 2, which illustrate the arrangement I prefer to employ :
The lights A, A, are placed as wide apart as the nature of the hub and lamp will allow,
and the two concave reflectors B, B having segments cut away at each side are so
arranged that the light from A, A is reflected past each side of the tire or rim of the
velocipede wheel and meets immediately in front of such wheel, thus illuminating the
part hitherto left in the shade.
For the purpose of relatively adjusting the reflectors to adapt the lamp for different
sized wheels and to facilitate removing such reflectors for cleaning purposes they are
preferably soldered or otherwise secured to two plates C, C hinged together by the
pin D at the centre of the lamp. A screw E having an eye at its inner end mounted
on the pin D passes through the back F of the lamp and is provided with a thumb-
screw to fix it and the parts connected thereto in position. Screws G provided with
thumb-screws H also pass through the back F of the lamp and are connected to the
outer ends of the hinged plates C, C. Spiral springs J mounted on the screws G,
tend to press the outer ends of the plates C, C away from the back of the lamp, thus
the relative position of the reflectors B, B may be adjusted by turning the thumb-
screws H, H so as to regulate the point at which the rays of light reflected from the
two reflectors meet.
In figures 3 and 4 where one light is shown two reflectors are also employed and
may be mounted and adjusted in a similar manner to those above described but in the
drawing a modified arrangement is employed.

page_text: The reflectors B, B are soldered to a straight spring L having holes M at each end
mounted upon the studs N riveted to the back F of the lamp and a screw O connected.
to the centre of said spring passes through the back of the lamp and is provided with
a thumb-screw P which enables the centre of said spring to be deflected, thus
relatively adjusting the reflectors mounted thereon.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare what
I claim is:
1. In a hub lamp for velocipedes, the combination of two lights and two reflectors,
arranged substantially as herein shown and described and for the purpose specified.
2. In a hub lamp for velocipedes, the combination of one light and two reflectors,
arranged substantially as herein shown and described and for the purpose specified.
3. The improvements in hub lamps for velocipedes, adapting them to illuminate
immediately in front of the wheel, substantially as herein shown and described.
Dated this 31st day of December 1887.
DRACUP & NOWELL,
Bradford, Agents.