IMPROVE- MENTS IN UNIONS OR COUPLINGS FOR PIPES, HOSE AND OTHER ARTICLES
Year: 1884

page_text: I NATHAN THOMPSON of 23 Southampton Buildings in the County of Middlesex,
Marine Engineer do hereby declare the nature of the said Invention for IMPROVE-
MENTS IN UNIONS OR COUPLINGS FOR PIPES, HOSE AND OTHER ARTICLES to be as
follows:-
The present invention has for its object improvements upon an invention for
which I obtained provisional protection dated February 4. 1884 N° 2685 and
relates to means whereby I prevent the winged part or article moving in relation
to the screwed part or article during the screwing up of the coupling piece. For
this purpose
I form the face of the screwed part or article with recesses to receive
the aforesaid wings or projections and I so adjust the parts that when the coupling
piece is fully screwed back, the the winged part or article can be readily passed
through the opening in the coupling piece and into the recesses in the end face of
screwed part or article or removed therefrom while the coupling piece can be
screwed up without the danger of carrying the winged part or article round with
it and thereby forming an insecure connection. I also employ a spring or other
stop in addition to the stops described in my aforesaid provisional specification by
which means in addition to preventing the disconnection of the coupling socket
from the screwed part or article as described in said provisional specification
I also prevent the accidental running back of the coupling socket on its screw and
thereby prevent the accidental disconnection of the parts connected by the
coupling.

page_text: I NATHAN THOMPSON of 23 Southampton Buildings in the County of Middlesex,
Marine Engineer, do hereby declare the nature of my invention for IMPROVEMENTS
IN UNIONS OR COUPLINGS FOR PIPES, HOSE AND OTHER ARTICLES and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :-
The present invention has for its object improvements upon an invention for
which I obtained provisional protection dated February 4, 1884 N° 2685 and
relates to means whereby I prevent the winged part or article moving in relation
to the screwed part or article during the screwing up of the coupling piece. For
this purpose I form the face of the screwed part or article with recesses to receive
the aforesaid wings or projections and I so adjust the parts that when the coupling
piece is fully screwed back the winged part or article can be readily passed
through the opening in the coupling piece and into the recesses in the end face of
the screwed part or article or removed therefrom while the coupling piece can be
screwed up without the danger of carrying the winged part or article round with
it and thereby forming an insecure connection. I also employ a spring or other
stop in addition to the stops described in my aforesaid provisional specification by
which means in addition to preventing the disconnection of the coupling socket
from the screwed part or article as described in said provisional specification,
I also prevent the accidental running back of the coupling socket on its screw and
thereby prevent the accidental disconnection of the parts connected by the
coupling.
And in order that my said Invention may be more clearly understood and
readily carried into effect, I will proceed aided by the accompanying drawings
more fully to describe the same.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is a longitudinal section and Figure 2 is an outside view of two hose
connections coupled by means of my improved union or coupling. Figure 3 is a
side view and Figure 4 is an end view of the part A. Figure 5 is a side view and
Figure 6 is an end view of the part B. Figure 7 is a cross section drawn on the
line 1, 1, of Figure 2. Figure 8 is an end view of Figure 2 and Figures 9 and 10
are respectively an end view and a cross section of the coupling piece C.
The coupling socket C is formed as heretofore with an internal thread c to screw
on to the part A, which is formed with a screw thread a.
The part C has fixed thereto a stop o¹ and when the parts A and C are screwed
together sufficiently to obtain a firm connection I fix to the part A, a stop a¹ which
acts in combination with the stop c¹ to so limit the motion of the parts A and C
that they cannot become disconnected from each other when disconnecting the
parts A and B.

page_text: The coupling piece C is formed on the face opposite to that of its screw c with
an opening c of suitable form to receive the end of the part B and the wings or
projections b formed thereon. On placing the winged part B endwise in said
opening and then turning the same and the coupling socket C a partial turn in
contrary directions the wings or projections b are caused to come under suitable
flanges on the coupling socket C. The end 6¹ of the part B, beyond the wings
or projections 6 is formed cylindrical and to fit a cylindrical recess a* formed in
the end of the screwed part A which recess a³ also receives the leather or other
packing ring d placed between the parts A, B.
The above described parts were described in the specification of patent herein-
before referred to and consequently form no part of my present invention which
consists in the first place in means whereby I prevent the part B moving in
relation to the part A during the screwing up of the coupling piece. For this
purpose I form the face of the part A with recesses a³ to receive the wings or
projections b and I so adjust the parts that when the coupling piece C is fully
screwed back so that the stop c² is resting against the stop a¹ the end of part B
and the wings or projections 6 thereon can be readily passed through the opening c³
in the coupling piece C and into the recesses a² and a' in the end face of the
part A or removed therefrom while the coupling piece C can be screwed up without
the danger of carrying the part B round with it and thereby forming an insecure
connection. I also according to my present invention employ a spring (or it may
be other) stop at in addition to the stops a¹ and c by which means in addition
to preventing the disconnection of the coupling socket C from the part A as
before described I also prevent the accidental running back of the coupling
socket C on its screw and thereby prevent the accidental disconnection of the
parts A, B.
The stops a¹ and a* are conveniently formed on a spring a which is secured
to the part A by a screw as shown or in other convenient manner. When the
part C is fully screwed up, the stop c¹ passes the stop at which then by the action
of its spring comes into the path of the stop c¹ and thereby prevents the possibility
of the part C running back whilst by simply depressing such stop a out of the
path of the stop c¹ the coupling piece C can be screwed back until the stop c¹
comes against the stop a¹.
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
1. In unions or couplings of the character herein shown and described, con-
structing the end of the part A with recesses to receive the wings 6 of the part B
substantially as herein shown and described and for the purpose stated.
2. In unions or couplings of the character herein shown and described the
employment of a stop a in combination with the stop c¹ substantially as herein
shown and described and for the purpose stated.
NATHAN
THOMPSON.
By Harris & Mills,
23, Southampton Buildings,
Agents.