Improvements in Bearings for Bicycles, Tricycles, and other Velocipedes.
Year: 1891

page_text: Date of Application, 22nd Dec., 1891
Complete Specification Left, 19th Aug., 1892-Accepted, 8th Oct.. 1892
PROVISIONAL SPECIFICATION.
Improvements in Bearings for Bicycles, Tricycles, and other
Velocipedes.
We, WILLIAM BOWN, 308 Summer Lane, Birmingham in the County of
Warwick, Manufacturer and JAMES WILLIAM FLAVELL, 201 Albert Road,
Aston juxta Birmingham aforesaid, Machinist do hereby declare the nature of this
invention to be as follows:-
This invention has reference to an improved means for fixing or securing dust
caps on the end of hub and pedal bearings.
In applying our invention to hub bearings we lengthen the flange of the bearing
in which the inside cone or cup fits so that the said flange extends beyond the edge
of the said inside cone or cup.
We then form a screw thread on the inner side
of the said flange into which a suitable cap or cover is screwed. The usual adjusting
cone is suitably formed so as to enable the said dust cap to cover the space between
the adjusting cone and inside cone or cup.
Instead of lengthening the flange of the hub we may if desired form a screw
thread on the inside cone or cup for the purpose of screwing the dust cap thereon.
This latter part of our invention is specially applicable to pedal bearings.
Dated this 21st day of December 1891.
WILLIAM BOWN.
JAMES WILLIAM FLAVELL.
COMPLETE SPECIFICATION.
Improvements in Bearings for Bicycles, Tricycles, and other
Velocipedes.
We, WILLIAM BOWN, 308 Summer Lane, Birmingham in the County of
Warwick, Manufacturer and JAMES WILLIAM FLAVELL, 201 Albert Road,
Aston, juxta Birmingham aforesaid, Machinist, do hereby declare the nature of this
nvention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
This invention has reference to an improved means for fixing or securing dust
caps on the ends of hub and pedal bearings.
In order that our invention may be more clearly understood we have annexed the
accompanying sheet of drawings.
Fig. 1 is a view taken in cross section of a rear driving safety hub and
Fig. 2 is a part sectional plan view of a velocipede pedal shewing our improve-
ments applied thereto.
When applying our invention to hub bearings (see Fig. 1) we lengthen the
flange A of the hub B in which the inside cone or cup C fits so that the said flange A
extends beyond the edge of the said inside cone or cup C. We then form a screw
thread on the inner circumference of that part of the flange A which extends
beyond the inside cone or cup C and screw the cap D (which may be of any desired
shape) therein, by which means we effectually prevent any dust or dirt from getting
into the bearings, for before the dust or dirt can reach the bearings it has to pass
between the dust cap D and the collar of the bearing cone E, then over the flange a
of the said bearing cone E. Instead of forming the screw thread on the inner
circumference of the flange A it will be easily understood that we may when desired
form the said screw thread on the outer circumference of the said flange A and
screw the dust cap D thereon.

page_text: When applying our invention to velocipede pedal bearings (see Fig. 2) we form
a screw thread on the outer circumference of the bearing cup F, a corresponding
screw thread being formed in the opening in the pedal plate Ġ into which the said
bearing cup F is screwed from the inner side and allowed to protrude at H beyond
the said pedal plate G. The cap I is then screwed onto the part H. thereby forming
a perfect dust proof bearing. Instead of screwing the dust cap I onto the part H of
the bearing cup F we may if desired form a screw thread on the inner circumference
of the said bearing cup F and screw the said dust cap 1 therein.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed we would have it under-
stood that we do not confine ourselves to the exact details as herein shewn and
described as they may be varied without departing from the nature of our invention,
but what we wish to claim is :-
Firstly- In a velocipede hub bearing a dust cap substantially as herein shewn
and described with reference to Fig. 1.
Secondly The dust cap D in combination with the bearing cone E substan-
tially as herein shewn and described.
Thirdly In a velocipede pedal bearing a dust cap substantially as herein
shewn and described with reference to Fig. 2.
:-
Fourthly The dust cap H in combination with the screwed bearing cup F
substantially as herein shewn and described.
Fifthly
:-
The dust cap H in combination with the screwed bearing cup F and
the bearing cone substantially as herein shewn and described.
Dated this 18th day of August 1892.
WILLIAM BOWN.
JAMES WILLIAM FLAVELL.