EP0835618A2 - A closing device for wristwatch straps - Google Patents
A closing device for wristwatch straps Download PDFInfo
- Publication number
- EP0835618A2 EP0835618A2 EP97500166A EP97500166A EP0835618A2 EP 0835618 A2 EP0835618 A2 EP 0835618A2 EP 97500166 A EP97500166 A EP 97500166A EP 97500166 A EP97500166 A EP 97500166A EP 0835618 A2 EP0835618 A2 EP 0835618A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- strap
- arm
- segment
- arms
- metal fastener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/18—Fasteners for straps, chains or the like
- A44C5/22—Fasteners for straps, chains or the like for closed straps
- A44C5/24—Fasteners for straps, chains or the like for closed straps with folding devices
- A44C5/246—Fasteners for straps, chains or the like for closed straps with folding devices having size adjusting means
Definitions
- the present invention covers a closing device which has been especially conceived for wrist watches, and above all for straps made of leather or similar materials, and which use metal fastenings composed of two articulated arms, equipped with the means of fixing the two segments of the strap, in such a way that these arms fold one over the other when the strap is closed, thereby fitting it to the wrist of the user, while when the said arms are extended the effective diameter of the strap is substantially increased, to a degree that is sufficient to permit the same to pass over the hand of the user.
- the object of the invention is to attain adjustable means of fixation between the metal fastening and the strap, with the purpose of making the entire set of parts suitable for substantially different wrists, while also providing fastenings of the greatest possible flatness when closed, with the subsequent and beneficial effects on the aesthetic appearance of the strap.
- Classical watch straps formed of two segments are equipped in one of the said segments with a frog that, together with an alignment of perforations laid out in the other segment, permits the said strap, when closed, to adjust to fit the wrist of the user.
- a totally different solution is employed in metal bracelets, such that when the two basic segments of the metal bracelet are connected by a fastener which is also made of metal, two articulated arms, joined at hinges to the two segments of the bracelet and which are able to fold down, one over the other when closed, they are equipped with the means of locking together in such a position.
- the metal fastening is affixed at one end to one of the segments of the strap, in a way that renders it immobile, by means of a cross-wise pin, with the one on the other segment of the strap does so by means of a clamp which "bites" on the strap, generally with the aid of a toothed surface, and which has the purpose of ensuring the proper attachment of the same.
- the closing device proposed by this invention completely and satisfactorily resolves both of the above - mentioned problems.
- one of the characteristics of this invention centres on the fact that one of the ends of the said fastener is joined to the corresponding segment of the strap in a conventional fashion, specifically by means of a pin or similar device, and that at the free end of the other arm there is a tubular and flattened head, from the centre of the base of which a nipple with a slightly expanded free end emerges, such that through the said nipple the other segment of the strap may be joined to the metal fastener through one of the classic orifices which are aligned lengthwise, in such a way that, depending on which of the orifices has been selected, the length of the strap as a whole will be determined.
- this tubular head will be of minimum thickness, and suitable for the thickness of the strap, thereby minimising the volume of the same.
- this arm of the metal fastener be equipped at a mid point with a couple of bent lugs, forming between them a pinching mouth channel, to guide and affix the above - mentioned superfluous segment of the also said segment of the strap.
- one of the two articulated arms of the metal fastener preferentially the arm equipped with the said tubular head, incorporates a lengthwise window which fits the other arm in terms of shape and size, such that when closed both arms fit together along the same plane, instead of folding one over the other, thereby attaining a substantial reduction in the overall thickness of the mechanism when closed.
- Figure 1 shows a perspective view of a closing device for watch straps manufactured according to the subject of this invention, in an extended position, suitably affixed to one of the segments of the strap and facing the other one, thereby making adjustment possible.
- Figure 2 shows another perspective view of the closing device shown in the previous figure, now exclusively illustrating the metal fastener, in an intermediate position of the swinging of its arms.
- Figure 3 also shows a perspective view of the same fastener as that shown in the previous figure, in an extended position, although the face opposite to that shown in figure 1 is illustrated.
- Figure 4 shows an inverse perspective of the set shown in figure 1, with the two segments of the strap duly connected to the metal fastener.
- the closing device described is designed to join the two segments (1) and (2) of a strap which constitutes a watch bracelet, and is materially expressed in the form of a metal fastener (3) which is composed of two articulated arms (4) and (5), joined to each other by means of a crosswise pin (6), one of the said arms (4) holding, with the aid of a conventional fastener (7) one of the segments of the strap (1), while the other arm (5) of the metal fastener is finished by a flattened tubular head (8) which is rectangular in cross-section to fit the cross-section of segment (2) of the strap which it is to hold, and being equipped at the centre of its base or lower section (9) with a nipple (10) having a slightly expanded free end, destined to fit as selected in any of the orifices (11) with which, forming a lengthwise alignment, the said segment (2) of the strap is equipped.
- the effective length of the strap is variable, depending on which of the orifices (11) of segment (2) of the strap is selected to hold the nipple (10) of the arm (5) of the metal fastener, without its being necessary in any case to adjust the said segment (2) of the strap to eliminate the superfluous sector of the same, which may be adjusted to the lower or internal face of the articulated arm (5) of the metal fastener (3), to which it is suitably affixed, with the aid of lower doubly bent lugs (12), these forming a guide for the said superfluous sector of segment (2) of the strap, as may be especially observed in figures 2 and 4.
- the articulated arm (5) of the metal fastener (3) As a complement to the structure as described, the articulated arm (5) of the metal fastener (3), this to be effected mainly by a broad window (13), opened lengthwise and which is open towards the end in which the hinge pin (6) is located, this window coinciding in shape and size with the other arm (4) of the metal fastener (3), in such a way that when closed as shown in figure 5, the arm (4) fits into the window (3) in the same plane as the arm (5), and offering a minimum thickness for the metal fastener for the metal fastener (3) as a whole.
- the window (13) made in the arm (5) of the metal fastener terminates in a teat (14) in which a crosswise pin (15) is pressure fitted, and which is linked to the free end of the other arm (4) of the repeatedly mentioned metal fastener (3).
Landscapes
- Buckles (AREA)
- Adornments (AREA)
- Electric Clocks (AREA)
Abstract
On the basis of a leather wrist strap or similar
article, and composed of two segments (1) and (2), joined
to each other by a metal fastener (3), as well as
incorporating two articulated arms (4) and (5), one of
the said arms (4) being affixed in conventional fashion
to the corresponding segment (1) of the strap, while the
other arm (5) is finished at its free end by a flattened
tubular head (8) making it able to penetrate the other
segment (2) of the strap, the latter being equipped with
a nipple (10), which may be selectively inserted into any
one of the orifices (11) of the segment (2) of the strap,
in such a way that depending on the orifice (11) selected
a maximum effective length of the strap is set, this
being applicable to open as well as closed states of the
strap. The arm (2) also incorporates lateral bent lugs
(12) which form a guide having a pinching mouth to hold
the unused section of segment (2) of the strap, as well
as including a broad window (13) which coincides with the
other arm (4) in terms of shape and size, such that when
the strap (4) is closed, it is completely enclosed within
the same plane as the centre of the arm (5) with minimum
thickness for the fastener.
Description
The present invention covers a closing device which
has been especially conceived for wrist watches, and
above all for straps made of leather or similar
materials, and which use metal fastenings composed of two
articulated arms, equipped with the means of fixing the
two segments of the strap, in such a way that these arms
fold one over the other when the strap is closed, thereby
fitting it to the wrist of the user, while when the said
arms are extended the effective diameter of the strap is
substantially increased, to a degree that is sufficient
to permit the same to pass over the hand of the user.
The object of the invention is to attain adjustable
means of fixation between the metal fastening and the
strap, with the purpose of making the entire set of parts
suitable for substantially different wrists, while also
providing fastenings of the greatest possible flatness
when closed, with the subsequent and beneficial effects
on the aesthetic appearance of the strap.
Classical watch straps formed of two segments are
equipped in one of the said segments with a frog that,
together with an alignment of perforations laid out in
the other segment, permits the said strap, when closed,
to adjust to fit the wrist of the user.
A totally different solution is employed in metal
bracelets, such that when the two basic segments of the
metal bracelet are connected by a fastener which is also
made of metal, two articulated arms, joined at hinges to
the two segments of the bracelet and which are able to
fold down, one over the other when closed, they are
equipped with the means of locking together in such a
position.
This form of fastening metal bracelets has also been
used within the context of leather straps, although
subject to slight modifications. More specifically, the
metal fastening is affixed at one end to one of the
segments of the strap, in a way that renders it immobile,
by means of a cross-wise pin, with the one on the other
segment of the strap does so by means of a clamp which
"bites" on the strap, generally with the aid of a toothed
surface, and which has the purpose of ensuring the proper
attachment of the same.
This solution is problematical in two different
ways, as while on the one hand the closing mechanism is
very bulky, as it involves the superimposition of the two
articulated arms of the metal fastener over the strap
itself, and, if the attempt is made to eliminate the
latter by cutting it immediately after the point at which
it is clamped, the strap only permits of limited
adjustment, beyond which it may not be lengthened, due
either to lack of material or because the mark left by
the toothed surface on the strap means that the aesthetic
appearance of the latter is damaged to a considerable
extent.
The closing device proposed by this invention
completely and satisfactorily resolves both of the above
- mentioned problems.
To this end, and more specifically, on the basis of
the conventional solution, according to which the two
segments of the strap are joined by means of a metal
clamp composed of two articulated arms, one of the
characteristics of this invention centres on the fact
that one of the ends of the said fastener is joined to
the corresponding segment of the strap in a conventional
fashion, specifically by means of a pin or similar
device, and that at the free end of the other arm there
is a tubular and flattened head, from the centre of the
base of which a nipple with a slightly expanded free end
emerges, such that through the said nipple the other
segment of the strap may be joined to the metal fastener
through one of the classic orifices which are aligned
lengthwise, in such a way that, depending on which of the
orifices has been selected, the length of the strap as a
whole will be determined.
Obviously this tubular head will be of minimum
thickness, and suitable for the thickness of the strap,
thereby minimising the volume of the same.
Given that in this case it is not necessary to cut
off the corresponding superfluous segment of the strap,
it is planned that this arm of the metal fastener be
equipped at a mid point with a couple of bent lugs,
forming between them a pinching mouth channel, to guide
and affix the above - mentioned superfluous segment of
the also said segment of the strap.
Finally and according to another of the
characteristics of the invention, one of the two
articulated arms of the metal fastener, preferentially
the arm equipped with the said tubular head, incorporates
a lengthwise window which fits the other arm in terms of
shape and size, such that when closed both arms fit
together along the same plane, instead of folding one
over the other, thereby attaining a substantial reduction
in the overall thickness of the mechanism when closed.
As a complement to this description, and with the
aim of helping towards a greater comprehension of the
characteristics of the invention, according to a
preferential example of the practical embodiment of the
same, it is accompanied by a set of drawings in which, as
an illustration and not as a limitation, the following
are shown:
Figure 1: this shows a perspective view of a closing
device for watch straps manufactured according to the
subject of this invention, in an extended position,
suitably affixed to one of the segments of the strap and
facing the other one, thereby making adjustment possible.
Figure 2: this shows another perspective view of the
closing device shown in the previous figure, now
exclusively illustrating the metal fastener, in an
intermediate position of the swinging of its arms.
Figure 3: also shows a perspective view of the same
fastener as that shown in the previous figure, in an
extended position, although the face opposite to that
shown in figure 1 is illustrated.
Figure 4: shows an inverse perspective of the set
shown in figure 1, with the two segments of the strap
duly connected to the metal fastener.
Figure 5: shows, finally, the set corresponding to
figure 4 in a closed position, and also according to a
perspective view.
In the light of these figures, it may be observed
that the closing device described is designed to join the
two segments (1) and (2) of a strap which constitutes a
watch bracelet, and is materially expressed in the form
of a metal fastener (3) which is composed of two
articulated arms (4) and (5), joined to each other by
means of a crosswise pin (6), one of the said arms (4)
holding, with the aid of a conventional fastener (7) one
of the segments of the strap (1), while the other arm (5)
of the metal fastener is finished by a flattened tubular
head (8) which is rectangular in cross-section to fit the
cross-section of segment (2) of the strap which it is to
hold, and being equipped at the centre of its base or
lower section (9) with a nipple (10) having a slightly
expanded free end, destined to fit as selected in any of
the orifices (11) with which, forming a lengthwise
alignment, the said segment (2) of the strap is equipped.
In this way, the effective length of the strap is
variable, depending on which of the orifices (11) of
segment (2) of the strap is selected to hold the nipple
(10) of the arm (5) of the metal fastener, without its
being necessary in any case to adjust the said segment
(2) of the strap to eliminate the superfluous sector of
the same, which may be adjusted to the lower or internal
face of the articulated arm (5) of the metal fastener
(3), to which it is suitably affixed, with the aid of
lower doubly bent lugs (12), these forming a guide for
the said superfluous sector of segment (2) of the strap,
as may be especially observed in figures 2 and 4.
As a complement to the structure as described, the
articulated arm (5) of the metal fastener (3), this to be
effected mainly by a broad window (13), opened lengthwise
and which is open towards the end in which the hinge pin
(6) is located, this window coinciding in shape and size
with the other arm (4) of the metal fastener (3), in such
a way that when closed as shown in figure 5, the arm (4)
fits into the window (3) in the same plane as the arm
(5), and offering a minimum thickness for the metal
fastener for the metal fastener (3) as a whole.
Finally, and in a manner complementary to the
structure as described, the window (13) made in the arm
(5) of the metal fastener terminates in a teat (14) in
which a crosswise pin (15) is pressure fitted, and which
is linked to the free end of the other arm (4) of the
repeatedly mentioned metal fastener (3).
Claims (3)
- A closing device for watch straps, specifically for bracelets which are composed of two segments (1) and (2) of strap linked together by a metal fastener (3) composed of two articulated arms (4) and (5) which are joined to the said segments of the strap, and forming with the watch itself a ring that may be fitted to/taken off the wrist of the user, and characterised by the fact that while one of the arms (4) of the said metal fastener (3) is affixed immovably by a pin or similar device to the corresponding segment (1) of the strap, while the other arm (5) terminates, at its free end, in a tubular flattened head (8), the same in cross-section as the corresponding segment (2) of the strap, the said head (8) being equipped with an internal nipple (10) which is central and preferentially with an expanded free end, designed to be selectively inserted into one of the orifices (11) which, aligned in a lengthwise manner, are found within the end of the corresponding segment (2) of the strap, in such a way that depending on the orifice (11) occupied by the nipple (10) a maximum size of the ring formed by the bracelet as a whole is determined.
- A closing device for watch straps, according to claim 1, characterised in that the arm (5) of the metal fastener (3) which is equipped with the tubular head (8) also incorporates a pair of lateral lugs (12), these being doubly bent inward, thereby forming a channel with a pinching mouth for holding the superfluous sector of segment (2) of the leather strap.
- A closing device for watch straps, according to the above claims, characterised in that one of the arms of the metal fastener (3), preferentially the arm (5) which is equipped with the tubular head (8), contains a window (13) along most of its length, which opens towards the end of the same and which contains a joining pin (6) articulating it with the other arm (4), and this window (13) being the same as the other arm (4) in both shape and size, and which it receives when the strap is closed, when both arms occupy the same plane and are affixed with the aid of a teat (14) in the bottom of the window (13) and on which a pin acts, the latter being linked to the free end of the other arm (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9602150A ES2130963B1 (en) | 1996-10-11 | 1996-10-11 | CLOSING DEVICE FOR CLOCK BRACELETS. |
| ES9602150 | 1996-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0835618A2 true EP0835618A2 (en) | 1998-04-15 |
| EP0835618A3 EP0835618A3 (en) | 1999-01-20 |
Family
ID=8296319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97500166A Withdrawn EP0835618A3 (en) | 1996-10-11 | 1997-10-08 | A closing device for wristwatch straps |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0835618A3 (en) |
| ES (1) | ES2130963B1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410052B (en) * | 2001-10-22 | 2003-01-27 | Ernst Ing Rossler | Longitudinal adjustment element for belts |
| CN103704953A (en) * | 2013-11-13 | 2014-04-09 | 青岛歌尔声学科技有限公司 | Rotating shaft connecting mechanism, belt body, belt buckle and wearable product |
| JP2014108363A (en) * | 2012-12-04 | 2014-06-12 | Omega Sa | Adjustable bracelet clasp |
| EP2803287A1 (en) * | 2013-05-16 | 2014-11-19 | Synergies Horlogeres SA | Fastener for a bracelet |
| IT201800003592A1 (en) * | 2018-03-15 | 2019-09-15 | Promotion Spa | INTERCHANGEABILITY GROUP FOR COMPONIBLE STRAP |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR965823A (en) * | 1950-09-22 | |||
| GB757556A (en) * | 1954-04-26 | 1956-09-19 | Bernard William Firth | Watch strap clasp or fastener |
| CH576761A5 (en) * | 1975-02-27 | 1976-06-30 | Marchis Giorgio De | Adjuster for flexible strap for wristwatch - one side of quick-action fastener has slot and peg for selected hole in strap end |
| FR2317892A1 (en) * | 1975-07-14 | 1977-02-11 | Klotzl Egon | Length adjuster for snap-hinge wristlet - includes strap transfixed by stud and retained by clip |
| GB2278148A (en) * | 1993-04-23 | 1994-11-23 | Ming Fung Metal Manufacturing | Wrist watch buckle |
| EP0820710A1 (en) * | 1996-07-25 | 1998-01-28 | SMH Management Services AG | Fastener with unfoldable buckle |
-
1996
- 1996-10-11 ES ES9602150A patent/ES2130963B1/en not_active Expired - Fee Related
-
1997
- 1997-10-08 EP EP97500166A patent/EP0835618A3/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR965823A (en) * | 1950-09-22 | |||
| GB757556A (en) * | 1954-04-26 | 1956-09-19 | Bernard William Firth | Watch strap clasp or fastener |
| CH576761A5 (en) * | 1975-02-27 | 1976-06-30 | Marchis Giorgio De | Adjuster for flexible strap for wristwatch - one side of quick-action fastener has slot and peg for selected hole in strap end |
| FR2317892A1 (en) * | 1975-07-14 | 1977-02-11 | Klotzl Egon | Length adjuster for snap-hinge wristlet - includes strap transfixed by stud and retained by clip |
| GB2278148A (en) * | 1993-04-23 | 1994-11-23 | Ming Fung Metal Manufacturing | Wrist watch buckle |
| EP0820710A1 (en) * | 1996-07-25 | 1998-01-28 | SMH Management Services AG | Fastener with unfoldable buckle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410052B (en) * | 2001-10-22 | 2003-01-27 | Ernst Ing Rossler | Longitudinal adjustment element for belts |
| JP2014108363A (en) * | 2012-12-04 | 2014-06-12 | Omega Sa | Adjustable bracelet clasp |
| EP2803287A1 (en) * | 2013-05-16 | 2014-11-19 | Synergies Horlogeres SA | Fastener for a bracelet |
| CN103704953A (en) * | 2013-11-13 | 2014-04-09 | 青岛歌尔声学科技有限公司 | Rotating shaft connecting mechanism, belt body, belt buckle and wearable product |
| CN103704953B (en) * | 2013-11-13 | 2015-12-30 | 青岛歌尔声学科技有限公司 | A kind of rotation shaft connection mechanism, belt body, bracelet and wearing product |
| IT201800003592A1 (en) * | 2018-03-15 | 2019-09-15 | Promotion Spa | INTERCHANGEABILITY GROUP FOR COMPONIBLE STRAP |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2130963B1 (en) | 2000-03-01 |
| EP0835618A3 (en) | 1999-01-20 |
| ES2130963A1 (en) | 1999-07-01 |
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