US3719038A - Watchcase - Google Patents

Watchcase Download PDF

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Publication number
US3719038A
US3719038A US00154761A US3719038DA US3719038A US 3719038 A US3719038 A US 3719038A US 00154761 A US00154761 A US 00154761A US 3719038D A US3719038D A US 3719038DA US 3719038 A US3719038 A US 3719038A
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US
United States
Prior art keywords
movement
watchcase
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watch
band
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.)
Expired - Lifetime
Application number
US00154761A
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English (en)
Inventor
H Klingenberg
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
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Publication of US3719038A publication Critical patent/US3719038A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses

Definitions

  • this one-piece member is made of a transparent material, such as plexiglass. To hide the movement either an opaque ring is inserted into the peripheral portion of said member or the inner surface of this peripheral portion is coated with a paint.
  • FIG. 1 is a cross-sectional view of the first embodiment
  • FIG. Zisa similar'view-of the'se'condembodiment.
  • the watchcase represented in FIG. 1 comprises a member 1 made-of sintered aluminum oxide n.0,).
  • Member 1 has'thegeneralshape-of-a cup. Its-peripheral portion constitutes a thick and :heavy opaque --wall la portion lb to which wall Ia additionally confers a great mechanical stability.
  • portion 1b may be substantially thinner than the known usual glasses. This is enough to render watch hands visible through portion lb, especially when these hands are black and the sintered corundum is white without coloring additives.
  • a watch having a digital time indication member 1 can be made with one or more thin portions which need not extend over the whole visible surface of the watch.
  • the time indicators member 1 could be made thinner only at one or several separate places. At such places the outer surface of member 1 could be made concave. The smaller the extent of these thinner portions of member 1 the more their thickness can be reduced and the easier time can be read. Reading the time indications of the watch is, of course, best ensured when they are produced by light sources fed from the watch movement. In this event, the screen portion of member 1 operates in a similar manner as a TV-screen.
  • member 1 does not raise any problem.
  • the aluminum oxide powder can be given such a shape that the piece obtained after sintering only requires a minimum of final machining operations.
  • holes 2 and 3 provided for the attachment of a wrist-band and securing the watchcase bottom 8, respectively, can be bored after sintering.
  • a boring (not shown) for the passage of a control stem can similarly be provided across wall 1a after sintering.
  • Recess 4 provided for forming screen 1b, shoulder 5 for the abutment of the movement baseplate, recess 6 for a watertight packing l1 and projections 7 constituting the wrist-band attaching lugs shall, on the contrary, be
  • bottom 8 consisting of a metal plate.
  • holes 3 are provided in the lower face of wall la and tapped bushes 9 are glued in these holes so that bottom 8 can be fixed to member 1 by screws 10.
  • Different securing means could also be provided for the bottom 8 as it will appear obvious to those skilled in the art.
  • Packing ll sealing the joint between bottom 8 and I member I can be previously glued or secured in any appropriate manner to either one of these two pieces.
  • Member 1 can also be sintered with facets so as to appear like a gem after polishing.
  • the watch movement (not shown) can be held within the watchcase disclosed in any conventional manner, for instance by spring means bearing on bottom "8 and pressing the movement baseplate against shoulde'rS.
  • the bottom 8a consists of a rectangular plate made integral with four projections 12 at its corners.
  • the end of projections 12 is overlapped so as to form anchoring means for a bar 13 to be inserted in the loop of a wrist-band.
  • This-bar would only-need have its centralsection held by the bottom projection.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
US00154761A 1970-06-25 1971-06-21 Watchcase Expired - Lifetime US3719038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH966570A CH554014A (en]) 1970-06-25 1970-06-25

Publications (1)

Publication Number Publication Date
US3719038A true US3719038A (en) 1973-03-06

Family

ID=4354379

Family Applications (1)

Application Number Title Priority Date Filing Date
US00154761A Expired - Lifetime US3719038A (en) 1970-06-25 1971-06-21 Watchcase

Country Status (3)

Country Link
US (1) US3719038A (en])
JP (1) JPS5226146B1 (en])
CH (2) CH554014A (en])

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320069U (en]) * 1976-07-30 1978-02-20
DE2828615A1 (de) * 1977-07-15 1979-01-18 Hans Ulrich Klingenberg Uhrwerksgehaeuse
EP0064950A1 (fr) * 1981-05-01 1982-11-17 Montres Rado S.A. Boîte de montre étanche
US4403870A (en) * 1982-01-11 1983-09-13 Timex Corporation Water-resistant shaped case construction for a wristwatch
DE3313391A1 (de) * 1982-04-20 1983-11-03 Citizen Watch Co., Ltd., Tokyo Uhrengehaeuse
EP0189372A1 (fr) * 1985-01-23 1986-07-30 Arcofil S.A. Boîtier de montre-bracelet
US4692033A (en) * 1985-10-07 1987-09-08 Eta Sa Fabriques D'ebauches Timepiece having case formed of rock-like material
DE3635529A1 (de) * 1986-10-18 1988-04-28 Wehrle Uhrenfabrik Gmbh Stand- oder wanduhr
DE3737831A1 (de) * 1987-11-06 1989-05-24 Kador Utz Schmuckuhr
DE3810001C1 (en]) * 1988-03-24 1989-10-12 D. Swarovski & Co., Wattens, At
EP1507180A1 (fr) * 2003-08-11 2005-02-16 Montres Rado S.A. Elément de fermeture ou d'habillage transparent et inrayable pour une montre et montre munie d'un tel élément
US20060126440A1 (en) * 2004-02-20 2006-06-15 Daniel Lazaretnik Square shaped timepieces with transparent views
US20100322041A1 (en) * 2008-01-11 2010-12-23 ATTO HOLDING S.à.r.I. Watch comprising a middle machined in a block of extra-hard material

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH646569GA3 (en]) * 1982-05-11 1984-12-14
CH665745GA3 (en]) * 1986-11-04 1988-06-15
DE69733633T2 (de) * 1997-01-16 2006-05-18 Montres Rado S.A. Durchsichtiges und kratzfestes Uhrenglas und ein mit diesem Glas versehenes Uhrengehäuse
JP6516275B1 (ja) 2018-07-04 2019-05-22 株式会社カネダ技研 綴じ具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224421A (en) * 1937-06-14 1940-12-10 Aaron Harry Combined watch and watchcase
US2256200A (en) * 1939-07-28 1941-09-16 Donovan J Heilman Watchcase
US2720748A (en) * 1952-03-04 1955-10-18 Gisiger Armin Watertight watch-case

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224421A (en) * 1937-06-14 1940-12-10 Aaron Harry Combined watch and watchcase
US2256200A (en) * 1939-07-28 1941-09-16 Donovan J Heilman Watchcase
US2720748A (en) * 1952-03-04 1955-10-18 Gisiger Armin Watertight watch-case

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320069U (en]) * 1976-07-30 1978-02-20
DE2828615A1 (de) * 1977-07-15 1979-01-18 Hans Ulrich Klingenberg Uhrwerksgehaeuse
EP0064950A1 (fr) * 1981-05-01 1982-11-17 Montres Rado S.A. Boîte de montre étanche
WO1982004134A1 (en) * 1981-05-01 1982-11-25 Rado Sa Montres Waterproof watchcase
US4421423A (en) * 1981-05-01 1983-12-20 Montres Rado S.A. Watertight wrist-watch casing
US4403870A (en) * 1982-01-11 1983-09-13 Timex Corporation Water-resistant shaped case construction for a wristwatch
DE3313391A1 (de) * 1982-04-20 1983-11-03 Citizen Watch Co., Ltd., Tokyo Uhrengehaeuse
EP0189372A1 (fr) * 1985-01-23 1986-07-30 Arcofil S.A. Boîtier de montre-bracelet
US4692033A (en) * 1985-10-07 1987-09-08 Eta Sa Fabriques D'ebauches Timepiece having case formed of rock-like material
US4853910A (en) * 1985-10-07 1989-08-01 Eta Sa Fabriques D'ebauches Timepiece having case formed of rock-like material
DE3635529A1 (de) * 1986-10-18 1988-04-28 Wehrle Uhrenfabrik Gmbh Stand- oder wanduhr
DE3737831A1 (de) * 1987-11-06 1989-05-24 Kador Utz Schmuckuhr
DE3810001C1 (en]) * 1988-03-24 1989-10-12 D. Swarovski & Co., Wattens, At
US4884257A (en) * 1988-03-24 1989-11-28 D. Swarovski & Co. Wrist watch
EP1507180A1 (fr) * 2003-08-11 2005-02-16 Montres Rado S.A. Elément de fermeture ou d'habillage transparent et inrayable pour une montre et montre munie d'un tel élément
US20060126440A1 (en) * 2004-02-20 2006-06-15 Daniel Lazaretnik Square shaped timepieces with transparent views
US20100322041A1 (en) * 2008-01-11 2010-12-23 ATTO HOLDING S.à.r.I. Watch comprising a middle machined in a block of extra-hard material

Also Published As

Publication number Publication date
JPS5226146B1 (en]) 1977-07-12
CH554014A (en]) 1974-09-13
CH966570A4 (en]) 1974-04-11

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