Improvements in the Construction of Appliances for Closing or Opening Doors, Windows, and other Structures for which such Springs are Used.
Year: 1887

page_text: الے
ایم
اے
این
Date of Application, 5th Oct., 1887
Complete Left, 17th Mar., 1888
Complete Accepted, 18th May, 1888
Improvements in the Construction of Appliances for Closing or
Opening Doors, Windows, and other Structures for which such
Springs are Used.
1 JOHN COPPARD resideing at 21 New Charles Street, City Road, in the County
of Middlesex Engineer do hereby declare the nature of this invention to be as
follows:-
One part consists in adapting an endless band or ring, made of India rubber or
other suitable material, which said bands or rings I make flat or corrogated and the
outside edges round, to which said bands or rings I attach two holders of suitable
form, made of any suitabe metal or material, by means of two screws or rivits to each
of aforesaid holders, on each of said screws I place a hollow roller made of metal
wood or other suitable material the action of the bands or rings cause aforesaid
rollers to revolve on the screws thereby preventing friction on said bands or rings,
having arranged the bands or rings with the holders, screws and rollers as above
described—they are kept in position desired by means of screws.

page_text: COMPLETE SPECIFICATION.
Improvements in the Construction of Appliances. for Closing or
Opening Doors, Windows, and other Structures for which such
Springs are Used.
I JOHN COPPARD residing at 21 New Charles Street, City Road, in the County
of Middlesex, 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 :-
This Invention consists in adapting an endless band or ring made of India rubber—
or other suitable material--which said bands or rings 1 make flat or corrugated and
the outside edges round to which said bands or rings I attach two holders of suitable
form, made of any suitable metal or material, by means of two screws or rivets, to
each of aforesaid holders, on each of said screws I place a hollow roller made of
metal, wood or other suitable material, the action of the aforesaid bands or rings cause
the aforesaid rollers to revolve on the screws, thereby preventing friction on said
bands or rings, having arranged the bands or rings with the holders screws and
rollers as above described, they are kept in position desired by means of screws or
hooks or other suitable means.
And in order to explain my said invention as completely as possible, I now proceed
to describe the best means I am acquainted with for carrying the same into practial
effect reference being had to the illustrated sheet of drawings accompanying these
presents and to the numeral figures and letters marked thereon as follows.
I purpose making the bands or rings herein referred to in suitable moulds as also
making holders figure 1 of malleable Iron coating them by the Electro process, with
Copper, Brass or Nickel, the rollers C figure 1 I purpose making of Glass or
Paraalain

page_text: Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is
Firstly Making the holders A figure 1 of maleable Iron and coating them with
either of the other metals as set forth and having two holes therein with two screws
and two rollers working thereon whereby I obtain a double action.
Secondly Making the India rubber bands as applied to these springs corrugated
or flat with round side edges as also making them in moulds.
Thirdly Making the rollers C figure 1 of glass or porcelain.
Fourthly The special hook as applied to these springs as refered to figure 8.
Lastly the general arrangement and combination of the Parts above described
having reference to the accompanying drawings for the purpose of closing Doors-
Windows and other purposes for which these spring are applicable.
In witness whereof I the said John Coppard have here unto set my hand, dated
this Seventeenth day of March 1888.