An Improvement in Lever and other Handles.
Year: 1890

page_text: Date of Application, 14th Feb., 1890
Complete Specification Left, 3rd Apr., 1890-Accepted, 3rd May, 1890
PROVISIONAL SPECIFICATION.
An Improvement in Lever and other Handles.
I, WILLIAM BLAKELY of Dene House, Bournemouth in the County of Hants,
Estate Agent, do hereby declare the nature of this invention to be as follows:-
My Invention relates more particularly to the handles of bicycles and tricycles,
and it has for its object to absorb or neutralize the jarring or tremulous motion
wbich is ordinarily transmitted to the hands and arms of riders when grasping the
handles of the machine and which is both disagreeable and injurious.
.
The Invention consists in the employment of a cushion (or cushions) of india.
rubber or other suitable material, in the form of a truncated cone and having either
plain, ribbed, fluted, or cross-serrated surface, said cushions being interposed
between the horn or other handle and the tang and received in recesses in the ends
of the handle. The handle would be provided with a cushion at each end and it
would be secured thereto, by a nut screwing on the tang, an india-rubber disc, if
desired, being interposed between the end of the handle and the nut so as to
completely insulate the handle. The cusbion may, in some cases, be in the form of a
hollow cone and the grooves or serrations may be both on its interior as well as its
exterior surface. The cushions may, if found desirable, be built-up or composed of a
number of washers assembled together on the tang.
Although I have described my invention as applicable to cycle handles I would
have it understood that it is applicable also to the handles of levers of all kinds of
machines with equal advantage, in some cases serving both to prevent the transmission
of heat to the hand as well as to neutralize vibration.
Dated this 14th day of February 1900
WM. BLAKELY.
By A. M. & Wm. Clark,
53, Chancery Lane, London, Patent Agents.
COMPLETE SPECIFICATION.
An Improvement in Lever and other Handles.
1, WILLIAM BLAKELY of Dene House Bournemouth in the County of Hants
Estate Agent, do hereby declare the nature of this invention and in what manner
the same is be performed, to be particularly described and ascertained in and by the
following statement :-
My Invention relates more particularly to the handles of bicycles and tricycles ;
and it has for its object to absorb or neutralise the jarring or tremulous motion
which is ordinarily transmitted to the hands and arms of the rider when grasping the
handles of the machine and which is both disagreeable and injurious.
Reference is to be had to the accompanying drawings, forming part of this
specification, wherein I have illustrated the invention as applied to a bicycle handle;
figure 1 being a longitudinal section of the horn or other handle, shewing the tang
in elevation. Figures 2 and 3 shew side and end views of the bushings separately.
The Invention consists in the employment of elastic bushings a a, of soft
vulcanised india rubber in the form of truncated cones and having their conical
surfaces preferably fluted or ribbed, in order to increase their elasticity, or they
might be plain or be otherwise serrated. Said bushings a are interposed between
the handle and the tang c on which it is fixed. The ends of the handle bare
coned out to receive the bushings and the bore of the handle is so much larger
than the tang that it will not bear thereon but will be held only by its end bearings
on the elastic bushings a which thus act as cushions to prevent the transmission of
Price 6d1

page_text: vibrations from the tang to the handle. The tang is preferably of angular cross-
section with its sides slightly hollowed so as to present comparatively sharp angles
to the bore of the bushings which by embedding in the soft rubber prevent turning
of the bushings, and handle upon the tang, but the tang or spindle may be of any
desired form. d are soft india rubber discs which may be applied against the outer
ends of the bushings and handle so as to more completely insulate the handle from
the adjacent shoulders or nuts by which it is forced on the tang. The one disc abuts
against a washer e on the tang, and a metal washer fand cap nut are applied against
the other disc and screwed-up to compress the bushings a in their conical seats,
according to the degree of flexibility required. The elastic discs d may be omitted,
if preferred. The bushings a, if desired, may be built-up of a number of discs of
india rubber of varying diameter assembled together on the tangs so as together to
form a coned bushing.
Although I have described my invention as applicable to cycle handles, I would
have it understood that it is applicable also to the handles of levers of all kinds of
machines with equal advantage, in some cases serving both to prevent the transmission
of heat to the hand as well as to neutralize vibration.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed, I declare that what I
claim is ;-
1. In a lever or other handle, the combination, with the handle and its tang, of
elastic bushings received in the ends of the handle so as to be interposed between
the handle and its tang and isolate the one from the other, substantially as specified.
2. In a lever or other handle, the combination, with the handle and its tang, of
elastic bushings of conical form received in conical recesses in the ends of the
handle so as to be interposed between the handle and its tang and isolate the one
from the other, the said bushings being compressible by end pressure, substantially
as specified.
3. In a lever or other handle, the combination with the handle and its tang, of
elastic bushings of fluted or ribbed conical form received in conical recesses in the
ends of the handle so as to be interposed between the handle and its tang and
isolate the one from the other, the said bushings being compressible by end pressure,
and of elastic disc interposed between the ends of the handle and the abutments
on the tang by which the handle and bushings are held in place, substantially as
specified.
Dated this 2nd day of April 1890.