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US1341298A - Alarm - Google Patents

Alarm Download PDF

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Publication number
US1341298A
US1341298A US339377A US33937719A US1341298A US 1341298 A US1341298 A US 1341298A US 339377 A US339377 A US 339377A US 33937719 A US33937719 A US 33937719A US 1341298 A US1341298 A US 1341298A
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US
United States
Prior art keywords
bell
alarm
casing
movement
central part
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
US339377A
Inventor
Chappuis John Albert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US339377A priority Critical patent/US1341298A/en
Application granted granted Critical
Publication of US1341298A publication Critical patent/US1341298A/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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/021—Controls (winding up the alarm; adjusting and indicating the waking time)

Definitions

  • the subject of the present invention is an alarm clock in which the movement is in closed in a casing the base of which is formed by the bell of the alarm which is fixed to the movement.
  • the feature of the invention is that the bell is formed at its central portion with a recess within which are located the winders and hand setters.
  • the bell comprises preferably an outer rim connected to the central part by a flange in such manner that the sounding zone of the bell consists only of the said rim.
  • the elements for attachment of the bell viz. screws, nuts, etc., may be located in any position on the central part of the latter without prejudicial effect on the sound or tone of the bell.
  • Figure l is a rear view of the alarm
  • Fig. 2 is a section on the line 21-13 of Fig. 1, those parts not necessary for an un derstanding of the invention being omitted.
  • the movement of the alarm is mounted in a frame comprising two plates a, Z), assembled by pillars c by means of nuts 0. Most of the parts of the movement are not shown,
  • the barrel arbors d, 6, each are fitted with a winder h, 71.
  • the alarm movement is inclosed in a casing is the base of which is formed by a bell m which is fixed to the plate 6 and spaced therefrom by three nuts 71.
  • the central part of this bell is formed 1' v r IOllDHlg a neutral A0116 and preventing the central part 727. from participating in the sound vibrations of the rim.
  • the nuts 71. which secure the bell may thus be placed in any position on the central part m even quite near the edge, as shown in the drawing, without the sound and tone of the bell being affected.
  • An alarm clock comprising a casing and a. bell mounted at the base or back of and within said casing, said bell being recessed centrally so as to afford a housing or recepe, within the rear edge of said casin for the winders and other parts.
  • alarm clock comprising a casing and. a bell, mounted at the base or back of and within said casing, said bell being recessed centrally so as to afford a housing or receptacle, within the rear edge of said casing, for bell comprising, outside of its central recess, a flange and an exterior or peripheral sounding run.

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Emergency Alarm Devices (AREA)

Description

J. A. CHAPPUIS. ALARM.
APPLICATION FILED NOV. 20, 19!!)- 1,341,298. Patnted'May25, 1920.
r/ll/I/IIIIll/(111111111110v. IIlIl/IIIIIIIIIIIIIIIIIII 4 IlllHh m n,
JOHN ALBERT CHAPPUIS, OF LA CHAUX-DE-FOND S, SWITZERLAND.
ALARM.
Specification of Letters Patent.
Patented May 25, 1920.
Application filed November 20, 1919. Serial 1&0. 339,377.
To all whom it may concern:
Be it known that I, JOHN ALBERT CHAP- rUIs, a citizen of the Swiss Confederation, and resident of La ChauX-de-Fonds, Switzerland, have invented a certain new and useful Improvement in Alarms, of which the following is a specification.
The subject of the present invention is an alarm clock in which the movement is in closed in a casing the base of which is formed by the bell of the alarm which is fixed to the movement. The feature of the invention is that the bell is formed at its central portion with a recess within which are located the winders and hand setters.
This arrangement permits of suspending the alarm from a wall as the winders and setters need not project beyond the rear edge of the alarm casing. The bell comprises preferably an outer rim connected to the central part by a flange in such manner that the sounding zone of the bell consists only of the said rim. As a result the elements for attachment of the bell, viz. screws, nuts, etc., may be located in any position on the central part of the latter without prejudicial effect on the sound or tone of the bell.
One embodiment of the invention is illustrated in the accompanying drawing in which, Figure l is a rear view of the alarm, while Fig. 2 is a section on the line 21-13 of Fig. 1, those parts not necessary for an un derstanding of the invention being omitted.
In accordance with the embodiment shown, the movement of the alarm is mounted in a frame comprising two plates a, Z), assembled by pillars c by means of nuts 0. Most of the parts of the movement are not shown,
but the arbors (Z and e of the two winding barrels as well as the two staii's f, g, each of which is provided with a crown f or g are shown. By operation of these crowns the staffs f and 9 may be turned and the hour and minute and alarm hands thus set. The barrel arbors d, 6, each are fitted with a winder h, 71. The alarm movement is inclosed in a casing is the base of which is formed by a bell m which is fixed to the plate 6 and spaced therefrom by three nuts 71. The central part of this bell is formed 1' v r IOllDHlg a neutral A0116 and preventing the central part 727. from participating in the sound vibrations of the rim. The nuts 71. which secure the bell may thus be placed in any position on the central part m even quite near the edge, as shown in the drawing, without the sound and tone of the bell being affected.
i l hat I claim is: 1. An alarm clock comprising a casing and a. bell mounted at the base or back of and within said casing, said bell being recessed centrally so as to afford a housing or recepe, within the rear edge of said casin for the winders and other parts.
in alarm clock comprising a casing and. a bell, mounted at the base or back of and within said casing, said bell being recessed centrally so as to afford a housing or receptacle, within the rear edge of said casing, for bell comprising, outside of its central recess, a flange and an exterior or peripheral sounding run.
in testimony whereof I have signed my name to this specification in the presence of 85 two subscribing witnesses.
JOHN ALBERT GHAPPUIS. Witnesses M. MULLER, A. J. ELLIS.
In conse- 55 the winders and other parts, said
US339377A 1919-11-20 1919-11-20 Alarm Expired - Lifetime US1341298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US339377A US1341298A (en) 1919-11-20 1919-11-20 Alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US339377A US1341298A (en) 1919-11-20 1919-11-20 Alarm

Publications (1)

Publication Number Publication Date
US1341298A true US1341298A (en) 1920-05-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
US339377A Expired - Lifetime US1341298A (en) 1919-11-20 1919-11-20 Alarm

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