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US2495552A - Watertight watchcase - Google Patents

Watertight watchcase Download PDF

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Publication number
US2495552A
US2495552A US724163A US72416347A US2495552A US 2495552 A US2495552 A US 2495552A US 724163 A US724163 A US 724163A US 72416347 A US72416347 A US 72416347A US 2495552 A US2495552 A US 2495552A
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United States
Prior art keywords
band
face
rim
faces
case
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Expired - Lifetime
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US724163A
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Schmitz Otto
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Individual
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    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00Cases
    • G04B37/08Hermetic sealing of openings, joints, passages or slits
    • G04B37/084Complete encasings for wrist or pocket watches without means for hermetic sealing of winding stem or crown

Definitions

  • the present invention relates to water-tight cases and is especially concerned with an assembly of the case components to prevent the entrance of water and dust therein. Cases of the present type are particularly desirable for use as watch cases, instrument cases and Where it is desirable to prevent the entrance of moisture or dust which would be detrimental to the contents of the case, such as the watch mechanism.
  • the principal object of the present invention is to provide a case having a case band and a rim for the crystal and a back cover which rim and cover are detachably connected on said case band in a water tight and dust proof assembly.
  • annular case band I is shown with a detachable back cover 2 and a rim 3 for a crystal 4 attached to said band I.
  • the peripheral edge of back 2 has an inclined face 21 formed therewith and rim 3 also has an inclined peripheral face 31 but said faces 21 and 31 are formed extending in opposite directions.
  • Further face 21 has an annular groove 5 formed therein while face 31 has a similar annular groove 51 provided therein.
  • Case band I has a pair of oppositely directed inclined faces 6 and 61 formed upon its interior side. Faces 6 and 61 extend substantially at 60 degrees as are faces 21 and 31 whereby face 21 will fit tightly against face 6 of band I and face 31 of rim 3 will iit tightly against face 61 when the case is assembled.
  • Faces 6 and 61 of band I each have an annular flange 1 and 11 respectively extending outwardly from said faces. Said flanges 1 and 11 are formed for fitting into grooves and 51 respectively of the back 2 and rim 3.
  • a resiliently compressible packing ring 8 for example a thin rubber ring, is inserted into the base of each of the grooves 5 and 51.
  • Crystal 4 is formed of an unbreakable glass such as is well known in the trade and is carried in a water tight assembly with the rim or bezel 3. Said crystal has an outwardly extending flange I0 which is formed for fitting into a corresponding groove I2 provided Within the base of a notch of said rim 3. A packing ring I3 is mounted within the groove I2 and said ring is made of a resiliently compressible material, for example rubber.
  • Crystal 4 is mounted across rim 3 by inserting flange I0 Within groove I2 while said crystal is in a warm condition.
  • the crystal 4 has a water tight and dust proof connection with rim 3 and back 2 and rim 3 for a similar connection to case band I.
  • a water-tight assembly for cases comprising a case band having a pair of oppositely inclined inner faces, a pair of flanges each formed extending from one of said inclined faces, a rim for a case crystal having an inclined outer face, said rim face having a groove for receiving the flange of one of said band faces, a back cover having an inclined outer face, and said cover face having a groove for receiving the flange of the other of said band faces.
  • a water-tight assembly for cases comprising an annular case band having a pair of spaced oppositely inclined inner faces, each of said band faces having a flange formed extending therefrom, a rim for a case crystal having an annular inclined peripheral face formed for closely fitting against and within one of said band faces, said rim face having an annular groove formed therein for receiving the flange of the contacting band face, a back cover having an annular inclined peripheral face formed for closely fitting against and within the other of said band faces, and said back cover face having an annular groove formed therein for receiving the flange of the contacting band face.
  • a water-tight assembly for cases comprising a case band having a pair of oppositely inclined inner faces, each of said band faces having a ange formed extending therefrom, a rim for a case crystal having an inclined outer face formed for contacting one of said band faces.
  • said rim face having a groove for receiving the flange of the contacting band face
  • a back cover having an inclined outer face formed for contacting the other of said band faces
  • said cover face having a groove for receiving the flange of the contacting band face and a pair of packing rings each extending around one of said flanges and in the corresponding groove.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gasket Seals (AREA)

Description

Jan. 24, 195o o. SCHMITZ 2,495,552
y WATERTIGHT WATCHCASE Filed Jan. 24, 1947 l?? www XXV@ Patented Jan. 24, 1950 2,495,552 WATERIIGHT WATCHCASE Otto Schmitz, Granges, Switzerland Application January 24, 1947, Serial No. 724,163 In Switzerland February 9, 1946 s claims. (c1. 58-90) The present invention relates to water-tight cases and is especially concerned with an assembly of the case components to prevent the entrance of water and dust therein. Cases of the present type are particularly desirable for use as watch cases, instrument cases and Where it is desirable to prevent the entrance of moisture or dust which would be detrimental to the contents of the case, such as the watch mechanism.
The principal object of the present invention is to provide a case having a case band and a rim for the crystal and a back cover which rim and cover are detachably connected on said case band in a water tight and dust proof assembly.
In the drawing there is shown a partial crosssectional view of the details of the respective members of a case according to the present invention.
vReferring now more particularly to the accompanying drawing, an annular case band I is shown with a detachable back cover 2 and a rim 3 for a crystal 4 attached to said band I. The peripheral edge of back 2 has an inclined face 21 formed therewith and rim 3 also has an inclined peripheral face 31 but said faces 21 and 31 are formed extending in opposite directions. Further face 21 has an annular groove 5 formed therein while face 31 has a similar annular groove 51 provided therein.
Case band I has a pair of oppositely directed inclined faces 6 and 61 formed upon its interior side. Faces 6 and 61 extend substantially at 60 degrees as are faces 21 and 31 whereby face 21 will fit tightly against face 6 of band I and face 31 of rim 3 will iit tightly against face 61 when the case is assembled.
Faces 6 and 61 of band I each have an annular flange 1 and 11 respectively extending outwardly from said faces. Said flanges 1 and 11 are formed for fitting into grooves and 51 respectively of the back 2 and rim 3.
A resiliently compressible packing ring 8, for example a thin rubber ring, is inserted into the base of each of the grooves 5 and 51.
Crystal 4 is formed of an unbreakable glass such as is well known in the trade and is carried in a water tight assembly with the rim or bezel 3. Said crystal has an outwardly extending flange I0 which is formed for fitting into a corresponding groove I2 provided Within the base of a notch of said rim 3. A packing ring I3 is mounted within the groove I2 and said ring is made of a resiliently compressible material, for example rubber.
The case is assembled by forcing rim 3 into position across band I placing gether with flange 11 in groove 51. Due to the resiliency of said rim, it will snap into a fastened position. Similarly back 2 is positioned across the lower edge of band I placing face 21 against face B and flange 1 within groove 5. Back 2 is also resilient and will likewise snap into its fastened position. Said back 2 is provided with a narrow slot I4 underneath projection 9 whereby face B1 and 31 to- 55 2 a tool can be inserted for removing the said back from said band I.
Crystal 4 is mounted across rim 3 by inserting flange I0 Within groove I2 while said crystal is in a warm condition. Thus the crystal 4 has a water tight and dust proof connection with rim 3 and back 2 and rim 3 for a similar connection to case band I.
Having now fully described and ascertained the nature of my said invention and in what manner the same may be performed, I declare that what I claim is:
1. A water-tight assembly for cases, comprising a case band having a pair of oppositely inclined inner faces, a pair of flanges each formed extending from one of said inclined faces, a rim for a case crystal having an inclined outer face, said rim face having a groove for receiving the flange of one of said band faces, a back cover having an inclined outer face, and said cover face having a groove for receiving the flange of the other of said band faces.
2. A water-tight assembly for cases, comprising an annular case band having a pair of spaced oppositely inclined inner faces, each of said band faces having a flange formed extending therefrom, a rim for a case crystal having an annular inclined peripheral face formed for closely fitting against and within one of said band faces, said rim face having an annular groove formed therein for receiving the flange of the contacting band face, a back cover having an annular inclined peripheral face formed for closely fitting against and within the other of said band faces, and said back cover face having an annular groove formed therein for receiving the flange of the contacting band face.
3. A water-tight assembly for cases, comprising a case band having a pair of oppositely inclined inner faces, each of said band faces having a ange formed extending therefrom, a rim for a case crystal having an inclined outer face formed for contacting one of said band faces. said rim face having a groove for receiving the flange of the contacting band face, a back cover having an inclined outer face formed for contacting the other of said band faces, said cover face having a groove for receiving the flange of the contacting band face and a pair of packing rings each extending around one of said flanges and in the corresponding groove.
OTTO SCHMITZ.
REFERENCES CITED The following references are of record in the le of this patent:
FOREIGN PATENTS Number Country Date 160,800 Switzerland June 1, 1933 165,209 Switzerland Jan. 16, 1934 309,328 Great Britain Apr. 11, 1929
US724163A 1946-02-09 1947-01-24 Watertight watchcase Expired - Lifetime US2495552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2495552X 1946-02-09

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US2495552A true US2495552A (en) 1950-01-24

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Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044655A (en) * 1957-07-10 1962-07-17 Loral Electronics Corp Submarine casing adapted to be opened speedily
US4188778A (en) * 1978-07-14 1980-02-19 Timex Corporation Caseback with noncircular, multilobed snap-fit surface
US4522311A (en) * 1982-02-08 1985-06-11 Tokyo Shibaura Denki Kabushiki Kaisha Lid with a see-through plate
US20060175766A1 (en) * 2005-01-28 2006-08-10 Carnevali Jeffrey D Dry box with sealed window
US20110049175A1 (en) * 2005-01-28 2011-03-03 Carnevali Jeffrey D Sealed window for dry box
US9195279B2 (en) 2014-02-24 2015-11-24 National Products, Inc. Docking sleeve with electrical adapter
US9331444B2 (en) 2014-02-24 2016-05-03 National Products, Inc. Docking sleeve with electrical adapter
US9529387B2 (en) 2014-02-24 2016-12-27 National Products, Inc. Docking sleeve with electrical adapter
US9602639B2 (en) 2014-02-24 2017-03-21 National Products, Inc. Docking sleeve with electrical adapter
US9706026B2 (en) 2014-02-24 2017-07-11 National Products, Inc. Docking sleeve with electrical adapter
US9831904B1 (en) 2016-12-14 2017-11-28 National Products, Inc. Adjustable cradle for mobile devices and methods of making and using
US10050658B2 (en) 2014-02-24 2018-08-14 National Products, Inc. Docking sleeve with electrical adapter
US10401905B2 (en) 2016-06-27 2019-09-03 National Products, Inc. Slide dock and methods of making and using
US10812643B1 (en) 2020-05-04 2020-10-20 National Products, Inc. Cases for mobile devices incorporating a light within the case and methods of making and using
US11029731B1 (en) 2020-04-20 2021-06-08 National Products, Inc. Cradles and cases for mobile devices incorporating guide elements or modular components and methods of making and using
US11076032B1 (en) 2020-05-26 2021-07-27 National Products, Inc. Cradles for mobile devices with a plunger lock and methods of making and using
US11277506B2 (en) 2020-05-26 2022-03-15 National Products, Inc. Cradles for mobile devices with one or more biasing tabs and methods of making and using
US11289864B2 (en) 2020-04-20 2022-03-29 National Products, Inc. Cases for mobile devices with a flexible covering and rigid frame or with two different connector arrangements and methods of making and using
US11489350B2 (en) 2019-12-23 2022-11-01 National Products, Inc. Cradle for mobile devices with resilient guides and methods of making and using
US11652326B2 (en) 2021-04-30 2023-05-16 National Products, Inc. Dock with flexible locator pins and methods of making and using
US11728846B1 (en) 2022-10-13 2023-08-15 National Products, Inc. Remote repeater device for mobile device dock and methods of making and using
US12126199B2 (en) 2021-08-09 2024-10-22 National Products, Inc. Cradles for a mobile device including a cavity for a wireless device and methods of making and using
US12143140B2 (en) 2024-04-17 2024-11-12 National Products, Inc. Docking sleeve with electrical adapter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB309328A (en) * 1928-05-14 1929-04-11 John Harwood Improvements in and relating to bezel fittings for watch cases
CH160800A (en) * 1931-12-16 1933-03-31 Schmitz Freres & Co S A Waterproof watch box.
CH165209A (en) * 1932-08-04 1933-11-15 Thommen S Uhrenfabriken A G Procedure for the watertight closing of remontoir watches.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB309328A (en) * 1928-05-14 1929-04-11 John Harwood Improvements in and relating to bezel fittings for watch cases
CH160800A (en) * 1931-12-16 1933-03-31 Schmitz Freres & Co S A Waterproof watch box.
CH165209A (en) * 1932-08-04 1933-11-15 Thommen S Uhrenfabriken A G Procedure for the watertight closing of remontoir watches.

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044655A (en) * 1957-07-10 1962-07-17 Loral Electronics Corp Submarine casing adapted to be opened speedily
US4188778A (en) * 1978-07-14 1980-02-19 Timex Corporation Caseback with noncircular, multilobed snap-fit surface
US4522311A (en) * 1982-02-08 1985-06-11 Tokyo Shibaura Denki Kabushiki Kaisha Lid with a see-through plate
US20060175766A1 (en) * 2005-01-28 2006-08-10 Carnevali Jeffrey D Dry box with sealed window
US20110049175A1 (en) * 2005-01-28 2011-03-03 Carnevali Jeffrey D Sealed window for dry box
US8701912B2 (en) 2005-01-28 2014-04-22 National Products, Inc. Sealed window for dry box
US10454515B2 (en) 2014-02-24 2019-10-22 National Products, Inc. Docking sleeve with electrical adapter
US10778275B2 (en) 2014-02-24 2020-09-15 National Products, Inc. Docking sleeve with electrical adapter
US9529387B2 (en) 2014-02-24 2016-12-27 National Products, Inc. Docking sleeve with electrical adapter
US9602639B2 (en) 2014-02-24 2017-03-21 National Products, Inc. Docking sleeve with electrical adapter
US9632535B2 (en) 2014-02-24 2017-04-25 National Products, Inc. Docking sleeve with electrical adapter
US9706026B2 (en) 2014-02-24 2017-07-11 National Products, Inc. Docking sleeve with electrical adapter
US12132511B2 (en) 2014-02-24 2024-10-29 National Products, Inc. Docking sleeve with electrical adapter
US9954330B2 (en) 2014-02-24 2018-04-24 National Products, Inc. Docking sleeve with electrical adapter
US10050658B2 (en) 2014-02-24 2018-08-14 National Products, Inc. Docking sleeve with electrical adapter
US10054984B2 (en) 2014-02-24 2018-08-21 National Products, Inc. Docking sleeve with electrical adapter
US10389399B2 (en) 2014-02-24 2019-08-20 National Products, Inc. Docking sleeve with electrical adapter
US11476884B2 (en) 2014-02-24 2022-10-18 National Products, Inc. Docking sleeve with electrical adapter
US9195279B2 (en) 2014-02-24 2015-11-24 National Products, Inc. Docking sleeve with electrical adapter
US10630334B2 (en) 2014-02-24 2020-04-21 National Products, Inc. Docking sleeve with electrical adapter
US10666309B2 (en) 2014-02-24 2020-05-26 National Products, Inc. Docking sleeve with electrical adapter
US9331444B2 (en) 2014-02-24 2016-05-03 National Products, Inc. Docking sleeve with electrical adapter
US11165458B2 (en) 2014-02-24 2021-11-02 National Products, Inc. Docking sleeve with electrical adapter
US10401905B2 (en) 2016-06-27 2019-09-03 National Products, Inc. Slide dock and methods of making and using
US9831904B1 (en) 2016-12-14 2017-11-28 National Products, Inc. Adjustable cradle for mobile devices and methods of making and using
US11489350B2 (en) 2019-12-23 2022-11-01 National Products, Inc. Cradle for mobile devices with resilient guides and methods of making and using
US11029731B1 (en) 2020-04-20 2021-06-08 National Products, Inc. Cradles and cases for mobile devices incorporating guide elements or modular components and methods of making and using
US11289864B2 (en) 2020-04-20 2022-03-29 National Products, Inc. Cases for mobile devices with a flexible covering and rigid frame or with two different connector arrangements and methods of making and using
US10812643B1 (en) 2020-05-04 2020-10-20 National Products, Inc. Cases for mobile devices incorporating a light within the case and methods of making and using
US11277506B2 (en) 2020-05-26 2022-03-15 National Products, Inc. Cradles for mobile devices with one or more biasing tabs and methods of making and using
US11076032B1 (en) 2020-05-26 2021-07-27 National Products, Inc. Cradles for mobile devices with a plunger lock and methods of making and using
US11652326B2 (en) 2021-04-30 2023-05-16 National Products, Inc. Dock with flexible locator pins and methods of making and using
US12126199B2 (en) 2021-08-09 2024-10-22 National Products, Inc. Cradles for a mobile device including a cavity for a wireless device and methods of making and using
US11728846B1 (en) 2022-10-13 2023-08-15 National Products, Inc. Remote repeater device for mobile device dock and methods of making and using
US12143140B2 (en) 2024-04-17 2024-11-12 National Products, Inc. Docking sleeve with electrical adapter
US12143142B2 (en) 2024-04-17 2024-11-12 National Products, Inc. Docking sleeve with electrical adapter
US12143141B2 (en) 2024-04-17 2024-11-12 National Products, Inc. Docking sleeve with electrical adapter

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