Improvements in and relating to Lamps for Velocipedes.
Year: 1890

page_text: Date of Application, 16th Sept., 1890
Complete Specification Left, 16th Feb., 1891-Accepted, 21st Mar., 1891
PROVIONAL SPECIFICATION.
Improvements in and relating to Lamps for Velocipedes.
We, JOSEPH LUCAS and HARRY LUCAS, Lamp Manufacturers, and ERNEST
MARSHALL, Mechanic, all of the Tom Bowling Lamp Works, Little King Street,
Birmingham, in the County of Warwick, do hereby declare the nature of this
invention to be as follows:-
Our invention relates to the parallel arms of spring back lamps for velocipedes,
and it consists in making each arm out of two lengths of wire bent and fashioned so
that each piece forms one side of the arm and half of each of the pivot pins by
which the arm is connected to the body of the lamp and to its supporting socket, the
object being simplicity and cheapness of construction.
We take
We carry our invention into practical effect in the following manner :-
two lengths of round wire of iron, steel or other suitable metal and we bend the ends
of each to form [-shaped pieces. These are then placed with their free ends
abutting against each other and are held together-after being passed into the eyes
formed on the back of the body of the lamp and socket respectively by means of a
hooked strap or its equivalent embracing the sides of the two parts of the arm, the
said sides being preferably bent with a slight curve inwards.
We sometimes form or fix cones or their equivalents on the ends of the pieces
forming the joint pins, and adapt the ends of the rubber or equivalent bushes in the
eyes on the backs of the body of the lamp and socket respectively, to engage with
the said cones or their equivalents, in which case we connect the two parts forming
each arm by means of a screw adjustment, or its equivalent, so that the two parts
may be capable of adjustment with respect to each other.
Dated this 16th day of September 1890.
ROBT. ED. PHILLIPS, M.I.M.E.,
Consulting Engineer and Patent Agent,
Royal Courts Chambers, 70-72, Chancery Lane, London, W.C.,
Agent for the Applicants.
COMPLETE SPECIFICATION.
Improvements in and relating to Lamps for Velocipedes.
We, JOSEPH LUCAS and HARRY LUCAS, Lamp Manufacturers, and ERNEST
MARSHALL, Mechanic, all of the Tom Bowling Lamp Works, Little King Street,
Birmingham, in the County of Warwick, 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:
Our invention relates to the parallel arms used in spring backs for velocipede
lamps, and it consists in making each arm out of two lengths of wire, bent and
fashioned, so that each piece forms one side of the arm and half of each of the pivot
pins by which the arm is connected to the body of the lamp and to its
supporting socket, the object being simplicity and cheapness of construction.
We carry our invention into practical effect in the manner illustrated in the
accompanying drawing in which Figure 1 is a view in side elevation of a lamp
having the arms of its spring back constructed according to our invention, and
Figure 2 is a broken view in plan-partly in section-thereof. Figures 3 and 4
are views in plan and side elevation respectively of a modification in the construction
of our improved arm. Throughout the several views similar parts are marked with
like letters of reference.

page_text: To construct our improved arm we take two lengths of any suitable metal wire,
of a round or other suitable section, and we bend and fashion each to form [-shaped
pieces A. A. These pieces are, then placed with their free ends abutting against
each other, and are held together-after being passed into the rubber or other non-
metallic bushes b and c, in the eyes and c¹ formed on the backs of the body of the
lamp B and socket C respectively-by means of a hooked strap, a, or its equivalent,
embracing the sides of the two pieces A. A., the said sides being preferably bent
with a slight curve inwards as shown in the accompanying drawing, to centralize the
said strap. Instead of connecting the pieces A. A. together by a strap they may
be connected by a screw or rivet as shown by Figures 3 & 4 of the accompanying
drawing.
We are aware that the arms of the spring backs for velocipede lamps have
been made in two pieces before, and we therefor do not broadly claim such as our
invention, but
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 :-
1st. Constructing the arms for the spring backs of velocipede lamps, substantially
as herein set forth and for the purpose described.
2nd. In a velocipede lamp, constructing each arm of a spring back out of two
pieces, each carrying a part or portion of the pivotting pin, and adapted to be held
together by one central connection, substantially as set forth.
3rd. In the spring back of a velocipede lamp, constructing each arm of two
pieces of wire of a round or other suitable section, so shaped as to enable them to
be held together by one central strap, or its equivalent, as illustrated by Figures 1
and 2 of the accompanying drawing.
4th. In a spring back for a velocipede lamp, constructing each arm of two parts,
each forming or carrying a part or portion of the joint pins, and connecting and
holding the two said parts together by one central connection, as illustrated by
Figures 3 and 4 of the accompanying drawing.
5th. In a spring back for a velocipede lamp, the combination of the arms each
formed in two parts, and each forming or carrying a part or portion of the joint
pins, of the central strap or its equivalent holding the two said parts of each arm
together, and of the eyes on the backs of the lamp and supporting socket respectively
having internal rubber or other non-metallic bushes, all combined, arranged and
operating as and for the purpose set forth.
Dated this 16th day of February 1891.
ROBT. ED. PHILLIPS, M.I.M.E., etc.,
Consulting Engineer and Patent Agent,
70, Chancery Lane, London, W.C., Agent for Applicants.