An Improvement in Velocipede Lamps.
Year: 1890

page_text: Date of Application, 28th Aug., 1890-Accepted, 4th Oct., 1890
COMPLETE SPECIFICATION.
An Improvement in Velocipede Lamps.
We, FRANCIS POWELL and FRANCIS HANMER, trading together as Powell &
Hanmer, of 232, Aston Road, Birmingham, Warwickshire, Lamp Manufacturers, 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 in the herein described improved construction and arrange
ment of the glazed shutter or side light which closes the side opening of a velocipede
lamp and which is provided to facilitate lighting the lamp.
Heretofore it has been customary to provide a side light fitting in guides at the sides
of the said opening and which had to be moved up to give access to the said opening
and moved down to close the same. Sometimes a side light so fitted sticks in its
guides and is then difficult to open or close and if fitted loosely in the guides it is
liable to rattle which is objectionable.
According to this invention we hinge the said side light at its upper edge to the
body of the lamp by a spring hinge which is constructed so as to retain the side light
either in its open or closed position thus enabling the side light to be either opened or
closed instantaneously and, by the spring hinge pressing the side light against the body
of the lamp when closed, it effectually prevents the side light from rattling. Moreover
our said invention enables the said side lights to be manufactured more cheaply than
those made in the old way above referred to.
We will describe our invention by referring to the accompanying drawing on which
Figs. 1 and 2 represent in side elevation a velocipede lamp with the side light constructed
and arranged according to this invention; and Figs. 3 and 4 are cross sections of part
of the same; the side light is shewn closed in Figs. 1 and 3, and open in Figs. 2
and 4; Figs. 5 and 6 represent in section the upper part of the side light and the
spring hinge on an enlarged scale; Fig. 7 represents the upper part of the side light
on an enlarged scale in front and side elevations and in plan and Fig. 8 represents the
spring and part of the hinge separately.
The same letters of reference indicate the same parts in all the figures of the
drawing.
A is the side light and 6 is the side opening in the body of the lamp which the side
light A is required to close. According to this invention the metal frame c of the side
light A is hinged at d to the lamp body e and has a heel fat its upper edge projecting
towards the inside of the lamp beyond the centre of the hinge d and this heel is acted
upon by a fixed spring tongue g. The heel by preference stands out from the frame c
at an angle of about 135° therewith so that the heel f will have about the same
leverage against the spring g when the side light A is closed (Figs. 1, 3 and 6) as when
open (Figs. 2 and 4).
When the side light A is closed (see Figs. 1, 3 and 6) it is, by the spring tongue g
pressing against the heel f, maintained in that position and pressed against the lamp
body and prevented from rattling. The side light A can be opened by simply raising
it, when the heelf will force back the spring tongue g (see Fig. 5) and when the side
light has been raised a little more than half way to its open position the spring tongue
in returning to its normal position acts upon the heel and causes the side light A to
spring upwardly to its open position (Figs. 2 and 4) and to remain there. The hinge
of the side light A and the spring 9 are by preference constructed and arranged as
shewn on the drawing but it will be evident that this construction and arrangement
can be modified without departing from the nature of this invention.
In the example
shewn on the drawing the spring g is rivetted to a case which is soldered or other-
wise fixed to the lamp body e above the opening 6 and the front of this case is
гр

page_text: roughened at h¹ to form the striker for matches. The upper part of the frame c
projects through the slot i in the case h and this upper part forms the central heel f
and the hinge by the parts at each side of the tongue being hooked over to engage
with the case at the bottom of the slot i.
We prefer to hinge the side light A by its upper edge to the lamp body as above
described and illustrated on the drawing as it is more convenient arranged in that way
but it can also be similarly hinged at one side or at the bottom edge.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner, the same is to be performed, we declare that what we
claim is :-
1. The combination in a velocipede lamp, of a side light hinged thereto and furnished
with a heel, in combination with a spring tongue on the lamp body arranged to act
upon the said heel and maintain the side light in either its open or closed position, as
bereinbefore set forth.
2. In a velocipede lamp, the construction combination and arrangement of the parts
constituting the side light and its spring hinge as hereinbefore described and illus-
trated by the accompanying drawing.
Dated on way of mug
CHARLES BOSWORTH KETLEY,
Agent for the Applicants.
CHARLES BOSWORTH KETLEY,
Agent for the Applicants.