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Патент USA US2412262

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Dec. 10, 1946.
‘ ‘w. HALPERN ET AL
2,412,262 ._
COVER
Filed April 21, 1944
- 3 Sheets-Sheet 1
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Dec- 10, 1946.
w. HALPERN ET-AL
2,412,262
COVER
Filed April 21, 1944
5 Sheets-Sheet 2
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Dec. 10, 1946.
2,412,262
w. HALPERN ET AL
COVER
Filed April 21, 1944
3 Sheets-Sheet 5
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Patented Dec. 10, 1946
2,412,262
7 UNITED ‘STATES
PATENT OFFICE
2,412,262
COVER
William Halpern, New York, Kurt Weiner,
Elmhurst, and Rudolf Krochmal, New York,
N. Y.
Application April 21, 1944, Serial No. 532,176
4 Claims. (Cl. 58-—-88)
'
l
The present invention relates to covers for
watch faces.
One of its objects is to provide a watch cover
construction which is self-closing.
2
its opposite end is to become elevated and thereby
to raise cover H against the action of spring [4.
Projecting piece 2| of framework l1 engages lever
end 213 when the latter is fully released and when
Another object is to provide a watch cover con Ul lever end It is in contact with over-hanging cover
portion 19. Over-hanging portion i9 prevents,
struction that automatically maintains the cover
by virtue of the tension of spring ill, upward move
in closed position without the aid of a catch or
other locking device.
ment of lever end i8. Projecting piece 2! pre
A further object is the provision of a Watch
vents upward movement of lever end 29. Lever
cover construction which is easily opened without 10 I5 is thus rendered immobile. The lever [5 has
fumbling.
the shape substantially of a bar, of which at least
A still further object is the provision of a highly
the inner end it is curved in the plane of rotation
useful and ornamental watch cover opening con
about the pivot pin l6 so as partially to circum
struction which may very easily be made and
scribe the pivot pin l2 of cover ll while engag
which would be rather unlikely to go out of func 15 ing the under side of cover I i. As the outer end
tioning order.
23 is depressed and the inner end l8 approaches
the pivot pin l2, the area included within the
nism comprising a pivoted watch face cover, a
curved end portion L8 thereby comes to include
tensioning member operating to keep the cover in
the pivot pin [2. The circumscri‘oing construc
closed position on the watch, and an engaging 20 tion of the inner end portion l8, whereby it ex
member-—generally a lever-to engage the watch
tends outwardly from cover pivot l2 of a straight
cover and to raise it to its open position against
line between the lever pivot pin it and the point
the action of the tensioning member.
of contact with cover H, thus permits consider
Preferred embodiments of the invention are
able displacement of the opposite end portions,
shown in the drawings in which
25 I8, 2% within a relatively small space, combining
Figure 1 is a side view of a watch incorporating
mechanical compactness with novel and graceful
the constructional features of one of said embodi
appearance. By mounting lever H5 at a distance
ments, showing the face cover thereof being man
from case [0 additional leverage is furnished at
ually held in raised or open position;
the operative tip of inner end it.
Figure 2 is a side view of the same watch show 30
In the embodiment of the invention shown in
ing the face cover in released or closed position;
Figures
3 to 8 inclusive, the single lever l5 has
Figure 3 is a side view of a modi?cation of the
been replaced by the duplex lever 150, comprising
construction shown in Figures 1 and 2.
levers 15a and IE1), similar in all essentials to lever
Figure 4 is a top view of the same.
15, and mounted on pivot if: on opposite sides of
Figure 5 is a bottom view of the same.
35 the case Ill. A tie bar 280 rigidly joins together
Figure 6 is a longitudinal Vertical section of the
the ends 20a and Zllb of lever I50. Pressure on
same.
either 26a or 2% now serves to depress both.
Figure 7 is a horizontal section along the line
Advantages of this construction over the pre
'l—'! of Figure 6.
Figure 8 is a vertical section along the line 40 vious disclosure include an equalizing of strain
on the pivots l2 and i6 and their bearings, and
8-8 of Figure 6.
symmetrical appearance.
Referring to Figures 1 and 2 watch case I0 is
The tiebar Ziic is shown most clearly in Figure
provided with a hinged face cover i I whose pivot
5. It will be understood that the tiebar is not
or hinge pin l2 may be disposed on an axis parallel
to the axis of the winding stem I3. Cover II is 45 readily apparent and its omission would not de
stroy the symmetrical appearance. If it were
larger in width and length than watch case Ii].
omitted the cover Ila could still be raised by
A coil spring I4 which is wound around pivot
These and other objects are attained by mecha
pressure on either 20a, or 2% as in the ?rst dis
pin l2 engages cover H and watch case Ill and
closure,
acts to keep cover ll tight against Watch case
Figure '7 illustrates the cover pivot 12 and spring
ID. A lever I5 which is pivoted, by means of a 50
M in open position, an arrangement used in the
pivot pin It to frame work I‘! in which the watch
first, second and fourth forms of this invention, as
case I0 is set, engages with one end 18 the under
indicated by the numerals ascribed to the frag
surface of the over-hanging portion IQ of cover
mentary cover.
II. The other end 20 of lever 15 is intended to be
pressed down with the ?nger, thereby causing 55 Figure 8 shows the cover and. case in vertical
52,412,265;
3
transverse section, including a downward exten
sion We; of the over-hanging portion 19.
It is apparent that the constructions shown
above have been given solely by way of illustra
lever having an inner portion adapmd to engage
said overhanging portion to open said cover, said
illustrations
the lever is depressed and the cover is raised.
3. A watch face cover construction comprising,
in combination with a Watch case, a cover pivotal
ly mounted on said case and comprising a portion
inner portion being curved substantially in the
plane of rotation of said lever and partially cir
tion and not by way of limitation, and that the 5 cumscribing the pivot pin of said cover when
above
described are
subject
to
wide variations and modi?cations within the
scope and intent of the present invention. All
of such variations and modi?cations are to be
included within the scope of the present invention.
What is claimed is:
r1. A watch face cover construction comprising,
overhanging said case, a spring engaging said
a cover directly to maintain the same in closed posi
tion, and a substantially bar shaped lever, said
in combination with a watch case, a cover pivotale
ly mounted on said case and comprising a portion
lever being mounted at a distance from said case
and having an inner portion adapted to engage
overhanging said case, a spring acting upon said
cover to maintain the same in closed position, and
a substantially bar shaped lever, said lever having
an inner portion adapted to engage said over
hanging portion to open said cover, said inner
said overhanging portion to open said cover, said
inner portion being curved substantially in the
plane of rotation of said lever and partially cir
cumscribing the pivot pin of said cover when the
lever is depressed and the cover is raised.
portion extending from the pivot pin of said lever 20 . 4. A watch face cover construction comprising,
to said overhanging portion outwardly of a
straight line between said pin and the point of
in combination with a watch case, a cover pivotal
ly mounted on said case and comprising a por
tion overhanging said case, a spring arranged to
contact of said lever with said overhanging
normally maintain the cover in closed position,
portion and being curved substantially in the
and a pivotally mounted lever, said lever having
plane of rotation of said lever and partially cir 25 an inner portion adapted to engage said over
cumscribing the pivot pin of said cover when
hanging portion to open said cover, said inner
the lever is depressed and the cover is raised.
portion being curved substantially in the plane of
2. A watch face cover construction comprising,
rotation of said lever and partially circumscribing
in combination with a watch case, a cover pivotally
30 the pivot -pin of said cover when the lever is de
mounted on said case and comprising a portion
pressed and the cover is raised.
overhanging said case, a spring engaging said
WILLIAM HALPERN.
cover directly to maintain the same in closed posi
KURT WEINER.
tion, and a substantially bar shaped lever, said
RUDOLF KROCHMAL.
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