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Патент USA US2116493

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May 3, 1938.
F. WACHTER
2,116,493
WATCH
Filed Nov. 30, 1931
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2,116,493
Patented May 3, 1938
UNITED STATES PATENT OFFICE
2,116,493
WATCH
Frank Wachter, New York, N. Y.; Theresia Maria
Wachter administratrix of said Frank Wach
ter, deceased
Application November 30, 1931, Serial No. 577,941
In Great Britain December 3, 1930
4 Claims.
This invention comprises an improved watch
crystal and has for its object to provide a crystal
into which the movement of a watch is disposed
and supported, which provides a greatly simpli
5 fled construction for use in combination with
other parts to form a complete watch unit.
The present invention comprises a watch cas
ing including a transparent tubular member
adapted to form the watch crystal and to re
10 ceive the movement edgewise.
Said casing is also provided with closure means
and a frame which is adapted to carry said
transparent tubular member.
By having the crystal so that it will receive
15 the movement edgewise, it will be understood that
watch movements of the general form are ?at,
that is in dimension from face to back much
smaller than the dimension of across the dial
or across the frame of the movement, so that the
periphery is referred to as an edge. This rela—
20 tively narrow edge thus may be inserted in the
end of the crystal, which is in effect a narrow
pocket adapted in cross-section to conform to
the cross-section of the movement, or movement
and dial taken normal to the dial face. With a
portion attached to the movement as a cap or
closure I9, it provides a handle so that when the
works have been inserted edgewise the cap co
3
3 Ol
operates with that end of the tubular crystal and
holds the watch in a predetermined position
within the crystal, with the front and its dial as
well as the back of the works being closely con
fined by the tubular crystal, in a manner so that
the watch movement when so assembled is sub
stantially waterproof, but by means of the closure
the entire movement. works and frame, with
dial and hands may be pulled out from its set
position in the tube, for the purpose of inspec
tion, repair or replacement. Being so inserted
40 edgewise, and with the closure I9 ?tting the slot
at one end of the tube, the predetermined posi
tion in the tubular crystal is maintained.
The drawing shows a perspective view of a
watch, showing the parts in ‘their respective po
45 sitions in which my tubular transparent watch
crystal so formed as to receive the movement with
its dial edgewise is shown in course of assembly
with the other parts of a watch.
In the embodiment of this. invention as shown
50 upon the drawing, the transparent tubular mem
ber I1 is the watch crystal preferably closed at
its lower end, or it may, if desired be open at
its lower end as well as at the top end, but as
shown it lies close over the face of the watch
56 movement.
(01. 58-88)
The transparent tubular member I1 is mounted
in a metal frame 20 in which an aperture is pro
vided to expose the watch dial, and as. shown the
back of the transparent tubular crystal also
registers with an aperture in frame 20, so that it
makes the back of the works or movement visible
through the tubular crystal. The lower end of
said frame is closed, whilst’ the upper end of
the frame 20 is open to receive the insertion of
the transparent tubular member ll when as 10
sembling the watch.
A closure I9 is provided for the transparent
tubular member I1, and mounted on said closure
I 9 is the watch movement frame l8. The closure
l9 may snap into the transparent tubular mem
15
ber l7 thereby supporting the watch movement
with its frame, as shown, in ?xed position in the
tubular crystal.
As shown in the drawing the watch movement
with its frame in shape and size ?ts snugly the
interior of the tubular crystal.
Hinged to the frame 20 is a cover 2| which
is adapted to cover over the closure l9 and be
locked to the frame 20 by means of a snap or
other suitable fastening.
The transparent tubular member I‘! may be
made of glass or other suitable material and is
of such tubular form that it is adapted to receive
a watch movement edgewise so that it closely
conforms to the outer formation of the conven 30
tional or almost universally used watch move
ment, as herewith shown and described.
I claim:—
1.. A watch comprising a movement with dial,
a transparent tubular watch crystal of a form 5
and construction adapted to receive the move
ment and dial edgewise, means closing the ends
of the tubular crystal, including at one end means
attached to the watch movement and adapted to
register with that end of the crystal to hold the 40
movement in a predetermined position in the
crystal, and a frame adapted to partially sur
round the tubular crystal with an opening ex—
tending substantially throughout one side and
adapted when assembled to provide visibility
throughout that side of the works having a super—
posed dial.
2. A watch comprising a movement with a
dial, a transparent tubular member, means. to
close one end of the tubular member including
a cover plate attached to the watch movement
and adapted to hold said movement in position
in the transparent member, and an outer frame
having an opening through one side to provide
visibility of the dial.
55
2
'
2,116,493
3. A watch comprising in combination, a trans
parent tubular crystal adapted to receive a Watch
movement edgewise, a watch movement and dial,
a closure for said tubular crystal connected with
the watch movement and adapted to support the
movement in predetermined position in said tu
bular crystal, and a frame held in ?xed position
at the outside of said tubular crystal.
4. In a watch, a transparent tubular crystal
adapted‘ to receive a watch movement edgewise,
means sealing said tubular crystal airtight at
each end, including at one end a removable cov
ering having a Watch movement associated there
with and positioned thereby in the tubular crys
tal, and an outer frame having an opening at
one side to provide visibility through a side of
said tubular crystal.
FRANK WACHTER.
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