Improvements in Bicycles and similar Vehicles.
Year: 1892

page_text: Date of Application, 11th Aug., 1892
Complete Specification Left, 10th May, 1893-Accepted, 10th June, 1893
PROVISIONAL SPECIFICATION.
Improvements in Bicycles and similar Vehicles.
I, FREDERICK WILLIAM TURNER of Suffolk Hotel, Bury St. Edmunds Hotel
Proprietor, do hereby declare the nature of this invention to be as follows:-
It is understood the application of the power exerted by the rider of a bicycle,
to the cranks of such machine; is alternate and intermittent, which in the front
driving bicycle, where the bearings of the crank spindle are upon the ends of the
steering fork, cause the fork to spring and the bearings to twist, or to be forced
The object
out of line with each other, thus causing increased friction and wear.
of my invention is to obviate this, by constructing the travelling wheel to revolve
upon ball bearings, attached to, or forming part of, the fork, and working separate
and independent of the crank spindle bearings, and having-separate means of
adjustment for wear, for this purpose the bearings of the said wheel are connected
inside the bub, by an external and internal thread or screw; by turning one of the
Baid bearings, the distance between the ball bearing surfaces of the said wheel is
contracted, and the slack caused by wear compensated. One of the said bearings
is screwed into an elastic band, formed on the end of the fork, which band is made,
by means of a screw, to grip fast the said bearing, after adjustment. The other
bearing is screwed into a gear frame, on the opposite side of the wheel, and fixed
in the same manner. The crank shaft revolves in a bearing formed in a gear frame
on one side of the wheel, and in another fixed in the said elastic band on the
opposite side.
Dated this 11th dow of donat 1800
GEO. H. RAYNER,
37, Chancery Lane, London, W.C., Agent for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Bicycles and similar Vehicles.
I FREDERICK WILLIAM TURNER of The Suffolk Hotel Bury St. Edmunds
Hotel Proprietor 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 :-
The object of my invention is to maintain the bearings of the crank axle parallel
with the bearings of the hub when under strain from the intermittent action of the
feet of the rider upon the cranks.
In order that my invention may be understood I will describe the same with
reference to the accompanying drawings.
Fig. 1. is a section on a line passing through the centre of the crank axle, of the
hub, fork ends, and ball bearings.
Where A is the crank axle revolving in the bearings d. d. formed in the interior
of the parts B. B' the said bearings being adjustable by means of the nut or
collar I which is screwed upon the crank axle and made to revolve therewith.
The part B is fixed in the gear frame C¹ which is attached to the end of the
fork or frame of the machine by screws b. b.
The part B is fixed in the elastic band C by means of the screw C'. The said
elastic band being attached to the end of the fork or frame by the screw e.
D is the hub which revolves upon bearings E. E. formed upon the exterior of
the parts B. B' the said parts are screwed one into the other at F. The part B¹
רנס ...

page_text: is formed square or hexagon in section at H upon which a spanner can be used for
turning the said part B₁ in the elastic band C and upon the part B for the purpose
of adjusting the bearings E. E.
Fig. 2. is an elevation of the elastic band C shewing the crank axle A and
adjustable nut or collar, I in section.
Fig. 3. is a section through line H in Fig. 1.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is
The construction of the bearings or parts B. B¹ having grooves or races formed
internally for the ball bearings of the crank axle, and having other grooves or
races formed externally for the ball bearings upon which the hub revolves such
parts being connected as herein described and for the purposes specified.
Dated the 9th day of May 1893.
F. W. TURNER.