Improvements in and relating to Pedals and Cranks for Cycles and other Pedal Propelled Machines.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
Improvements in and relating to Pedals and Cranks for Cycles and
other Pedal Propelled Machines.
We, WLLLIAM BRYCE, General Manager, and HUMBER & GODDARD, LTD.,
Cycle Manufacturers, both of Nelson Cycle Works, Beeston, Notts, in the County
of Nottingham, do hereby declare the nature of this invention to be as follows:---
The principal object of this invention is to connect pedals to cranks without
the use of nuts or screw devices at the crank ends, which are extremely ineffec-
tual as a rigid connection, costly in fitting, and anything but neat; but second-
arily the said invention considerably improves the construction and fitting of
the parts of the pedal.
According to this invention the pedal end of the crank is transversely drilled
and bored out to two diameters, for the purpose of engaging the one and head
end of a plain bolt or stout pin which is passed therethrough, and which pro-
jects from the outside of the crank end to form the pedal's pin. The said
bolt's head-end is so fitted to the pedal end of the crank that it comes flush with
its inner face, and is prevented from rotating or moving other than with the
crank, so that there are no outstanding parts. The outer end of the pedal pin is
screwed for a short distance.
A sleeve having a plain bore and carrying the cones of the pedal's ball bear-
ing upon it is slipped over the pedal's pin so that its one end, which is formed
into a collar and the solid cone, abuts against the outer face of the crank, and
the said sleeve is prevented from rotating on the said pin by a projection or
horn upon its collared end fitting into a sinking in the face of the crank. The
outer end of the sleeve is externally screwed and fitted with the adjustable cone
of the bearing.
The pedal's hub or waist part is a tubular length carrying the pedals frame
and having the ball cups formed in the ends thereof, and it is adapted to fit over
the said sleeve and make a bearing on the cones carried thereon through the
medium of the anti-friction balls. Each hub end of the waist-part is closed by
a dust proof cap.
A screwed nut engages the screwed end of the pedals pin and has three func-
tions, the first of which is to hold the pedal pin with its head end in the crank,
the second to lock the adjustable cone upon the end of the sleeve and the third
to force, and clamp, the said sleeve rigidly onto the pedal's pin and against the
face of the crank.
W. P. THOMPSON & Co.,
11, Burlington Chambers, New Street, Birmingham,
Patent Agents for the Applicants.

page_text: Improvements in and relating to Pedals and Cranks for Cycles and
other Pedal Propelled Machines.
We, WILLIAM BRYCE, General Manager, and HUMBER AND GODDARD LIMITED,
Cycle Manufacturers, both of Nelson Cycle Works, Beeston, Notts, in the County
of Nottingham, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
This invention relates to pedals and cranks for cycles and similar propelled
machines, and consists, firstly, in an improved means whereby such pedals are
connected to their cranks without the use of outstanding nuts or screw devices
at the crank ends and, secondly, in so constructing the bearings of the pedal
and the pedal pin that the action of screwing up one nut locks both the adjust-
ment of the bearings and the pedal to the crank end; the objects attained
thereby being a more positive and rigid connection of the pedal to the crank
than hitherto coupled with a better and neater fitting together of the pedal's
parts.
In the accompanying sheet of drawings the invention is practically illus-
trated by a section in Fig. 1 showing the pedal attached to the crank, a cross
section through the said pedal being shown in Fig. 2. Fig. 3 illustrates a
number of parts of the pedal and the crank separated.
By the aid of these figs. and reference letters the invention will now be des:
cribed. The pedal end a² of the crank a is transversely drilled or bored out to
a hole of two diameters a, a, to receive the head end 2 of a plain bolt or
stout pin c which is passed therethrough and which projects from the outside
face of the crank to form the pedal's pin. The said head end so fits the drilled
hole a as to come flush with the crank's face a, as shown in Fig. 1, and the
said, bolt is prevented from rotating in the said hole by a peg underneath the
head of the bolt engaging a recess a in the hole a*. The outer end of the
pedal pin is screwed for a short distance.
A cylindrical sleeve having a plain bore d², and carrying one of the
cones of the pedal's ball bearing, is slipped over the pedal pin c so that its
coned end abuts against the outer face of the crank, the said sleeve being
prevented from turning upon the pedal pin by a horn d upon its inner end
fitting into a sinking in the outer face of the crank. The outer end
the sleeve is externally screwed, and a cone the adjustable one of the bear-
ing screws thereon.
of
The pedal's hub or waist part e is a tubular length carrying the pedals frame e
and having the ball cups e et formed in its ends, and it is adapted to fit loosely
over the said sleeve and make a bearing on the cones carried thereby through
the medium of anti-friction balls g. Each end of the waist part of the hub is
closed by a dust-proof cap m. A screwed nut n engages the screwed end of the
pedal pin c, and in action has three functions; firstly, it holds the pedal pin
with its head end in the crank; secondly, it locks the adjustable cone 6
upon the end of the sleeve; and, thirdly, it forces and clamps the sleeve over
the pedal pin against the outer face of the crank and makes it a rigid mounting
for the balls ; it only requiring the operation of one nut to either attach or
detach the pedal to the crank and set up the bearing.
If necessary an extra nut could be screwed upon the end of the pedal pin at
the back of the nut, but this is not anticipated as the cone 6 practically has
that function,

page_text: Having now fully described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we hereby declare that
what we claim is:-
First. In pedals and cranks, the combination of a crank a having an all-
through hole within its end, a pedal pin whose end engages the said hole
flush with the inner face of the crank a and so as not to pull through, a sleeve d
having a plain bore and carrying the cones, and which fits over the plain part
of the pedal pin and abuts against the crank, a pedal whose waist part is tubular
and formed with ball races for anti-friction balls, and a nut screwing upon
the end of the pedal pin and which fixes the whole of the pedal's parts after adjust-
ment and attaches the pedal to the crank by the simple action of screwing it up,
substantially as described and set forth.
Second. In pedals and cranks, constructing the same and fitting the parts in
the manner particularly described and set forth in Figs. 1 to 3.
1
1000
W. P. THOMPSON & Co.,
11, Burlington Chambers, New Street, Birmingham,
Also of Liverpool, London and Manchester,
Patent Agents for the Applicants.