Improvements in Watch Cases.
Year: 1891

page_text: Date of Application (in United Kingdom), 24th Nov.. 1891
Complete Specification Left, 29th June, 1892-Accepted, 30th July, 1892
PROVISIONAL SPECIFICATION.
Improvements in Watch Cases.
I, FRANCOIS BORGEL, of 1 Place Cornevin, Geneva in the Republic of
Switzerland, Watch Case Manufacturer, do hereby declare the nature of this
invention to be as follows:-
This invention consists of an improved construction of watch case adapted to
have the watch movement secured to it by means which have not yet been used for
that purpose.
My improved watch-case consists of a piece of any exterior shape or configuration
whatever forming at the same time the rear case, the cap and the ring of the
watch-case. Said piece has its inner edge made of convenient thickness to be
provided with a female screw thread to which the watch-movement or work is to
be secured.
For this purpose the periphery of said watch-movement that is to say the
periphery of the plate or, in cases in which the whole work is affixed in a dust.
proof circle said circle is provided with male thread adapted to fit into the female
screw-thread of the edge of the watch-case.
Upon the work, that is to say either upon the plate or on the circle of said
work, there is fixed a glass bezel which contains the glass and recovers the joint
of said plate or circle with the case when the work is screwed to top. When
screwed to the top the circle when used, may bear upon the bottom of the piece
forming the rear case so as to strengthen the same against blows or pressure.
The stem is cut off so as not to form an obstacle to the screwing in of the work
into the case. A corresponding false stem fitted to engage with the aforesaid
stem in any manner whatever is introduced into the pendant and held in its place
by means of a screw.
As to the hand setting mechanism it will be acted upon by any one of the well-
known means whatever.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant
COMPLETE SPECIFICATION.
Improvements in Watch Cases.
I FRANÇOIS BORGEL of 1 Place Cornevin, Geneva, in the Republic of
Switzerland Watch Case Manufacturer 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 of an improved construction of watch case which is so
arranged that the watch movement is secured to it by means which have not
heretofore been used for that purpose.

page_text: My invention is illustrated in the accompanying drawing which shows to an
The
enlarged scale a cross section of a watch provided with my improved case.
exterior shape..or configuration of the case itself however may be varied without
departing from the nature of this invention. My improved watch-case consists of
a piece A of any suitable shape forming at the same time the rear-case, the cap
and the ring of the watch-case. Said piece A has its inner edge a made of con-
venient thickness so that it may be provided with a female screw-thread to which
the watch-movement or work is to be screwed as shown in the drawing.
For this purpose the periphery of the said watch-movement, that is to say
the periphery of the plate or in cases in which the whole work B is affixed in
a dust-proof circle C as shown in the drawing, said circle C is provided with a
male thread adapted to fit into the female screw-thread of the edge a of the
watch-case A.
Upon the work, that is to say either upon the plate or on the circle C of
said work, there is fixed a glass-bezel F which contains the glass G and conceals
the joint of said plate or circle C with the case A, when the work is screwed
to top. When screwed to the top the circle C when used, may bear upon the
bottom of the piece A forming the rear case so as to strengthen the same against
blows or pressure.
The stem D is cut off so as not to form an obstacle to the screwing in of the
work into the case A. A corresponding false stem D' fitted to engage with
the aforesaid stem in any suitable manner, is introduced into the pendant E and
held in its place by means of a screw e.
As to the hand setting mechanism it may be actuated by any well known
means.
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 a watch case the use of a female screw-thread a in combination with a
corresponding male screw-thread provided on the watch-work B or on the circle C
surrounding the same, for the purpose of firmly affixing the watch-work into the
watch-case.
HASELTINE, LAKE & Co
45, Southampton Buildings, London, Agents for the Applicant.