Improvements in Cycle Hubs.
Year: 1897

page_text: PROVIDIUNA DI MUITIVATION.
Improvements in Cycle Hubs.
I, THEODORE JAMES BIGGS of 50 Raleigh Street, Nottingham, Engineer do
hereby declare the nature of this invention to be as follows:-
My invention relates to improved methods for the securing or locking of the
chain wheel & bearing cups of hubs for cycles or similar machines.
With reference to the accompanying drawings:-The driving chain wheel A
is screwed on the body of the hub B with a right hand thread in the usual manner.
The bearing cup D is screwed into the hub with a left hand thread & is provided
with a flange Ċ which bears against the chain wheel A. The forward driving
pull of the chain tends to tighten the right-hand threaded chain wheel A. & the_
friction of the bearing tends to screw the left-hand threaded bearing cup 1) tight
against the chain wheel. If the backward pall of the chain when back pedalling,
starts unscrewing the chain wheel A it is instantly checked by the flange C of
the bearing cup, & as the hearing cup is screwed with a left hand thread they
instantly lock together, and prevent the chain wheel from unscrewing further.
At the end of the hub where the adjustment of the bearing is effected, H is the
adjusting cup which is screwed into the hub body B & is provided with the
flange R.
When the bearing cup H has been adjusted it is locked in position by the lock
nut L which is screwed on the outside of the hub body B. In hubs which carry
no driving chain wheel, I may use lock nuts L at each end of the hub for the
purpose of securing or locking the cups.
Dated this 10th day of April 1897.
Дарготощению ш сусте диз
I, THEODORE JAMES BIGGS of 50 Raleigh Street, Nottingham, Engineer 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:-
My invention relates to improved methods for the securing or locking of the
bearing cups of hubs for cycles or similar machines.
According to this invention I use a locknut which is screwed on to the outside
of the hub body in such a manner that it may be made to impinge against a
flange which is provided on the bearing cup for the purpose.
[Price 8d1

page_text: With reference to those drawings left with the Provisional Specification H is
a bearing cup which is screwed into the hub body B & is provided with the
flange R, & L is the locknut which is screwed on to the outside of the said hub
body B.
When the bearing cup H has been adjusted, or screwed into the desired position,
the locknut L is screwed outwards along the hub body B, until it impinges tightly
against the flange R on the bearing cup H, thereby locking the said bearing cup.
When desirable I may use lock nuts similar to those herein described, for the
purpose of securing or locking of the cups at each end of a hub, and the methods
herein uescribed are also applicable to other bearings besides hubs.
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:
In the hub or any other bearing of a cycle or similar machine, the herein
described method of locking the bearing cups by means of a locknut screwed on
the outside of the hub body or bearing case in such a manner that it may be
caused to impinge against a flange which is provided on the bearing cup for the
purpose, substantially as herein set forth & described with reference to those
drawings left with the Provisional Specification.
Dated this 31st day of July 1897.