DE29823798U1 - Speech transmitter for a respirator - Google Patents

Speech transmitter for a respirator

Info

Publication number
DE29823798U1
DE29823798U1 DE29823798U DE29823798U DE29823798U1 DE 29823798 U1 DE29823798 U1 DE 29823798U1 DE 29823798 U DE29823798 U DE 29823798U DE 29823798 U DE29823798 U DE 29823798U DE 29823798 U1 DE29823798 U1 DE 29823798U1
Authority
DE
Germany
Prior art keywords
membrane
speech
housing
clamping ring
transmitter according
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
DE29823798U
Other languages
German (de)
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.)
Draeger Safety AG and Co KGaA
Original Assignee
Draeger Sicherheitstechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Draeger Sicherheitstechnik GmbH filed Critical Draeger Sicherheitstechnik GmbH
Priority to DE29823798U priority Critical patent/DE29823798U1/en
Priority claimed from DE19845572A external-priority patent/DE19845572C2/en
Publication of DE29823798U1 publication Critical patent/DE29823798U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Sprechübertrager für eine Atemschutzmaske mit einem Membran­ gehäuse (2) und einem mit dem Membrangehäuse (2) verbindbaren Spannring (3), einer Sprechmembran (4) zwischen dem Membran­ gehäuse (2) und dem Spannring (3), deren äußeres Membranteil (14) an einer Verbindungsstelle zwischen dem Spannring (3) und dem Membrangehäuse (2) aufgenommen ist und deren inneres Membran­ teil (15) zwischen einer am Spannring (3) befindlichen, ringförmigen Anlagefläche (13) und einem ringförmigen Vorsprung (8) am Membran­ gehäuse (2) gespannt ist, wobei die Anlagefläche (13) und der Vor­ sprung (8) als konzentrisch ineinandergreifende Ringe ausgebildet sind, dadurch gekennzeichnet, daß die Verbindungsstelle als eine das äußere Membranteil (14) an dem Spannring (3) fixierende Gewinde­ verbindung (7, 10) ausgeführt ist.1. Speech transmitter for a respirator with a membrane housing ( 2 ) and with the membrane housing ( 2 ) connectable tension ring ( 3 ), a speech membrane ( 4 ) between the membrane housing ( 2 ) and the tension ring ( 3 ), the outer membrane part ( 14 ) is received at a connection point between the clamping ring ( 3 ) and the membrane housing ( 2 ) and the inner membrane part ( 15 ) between an annular contact surface ( 13 ) located on the clamping ring ( 3 ) and an annular projection ( 8 ) on the membrane housing ( 2 ) is tensioned, the contact surface ( 13 ) and the pre jump ( 8 ) are designed as concentrically interlocking rings, characterized in that the connection point as a the outer membrane part ( 14 ) on the clamping ring ( 3 ) fixing thread connection ( 7 , 10 ) is executed. 2. Sprechübertrager nach Anspruch 1, dadurch gekennzeichnet, daß der Durchmesser der Sprechmembran (4) derart bemessen ist, daß das äußere Membranteil (14) zumindestens den Überlappungsbereich der Gewindeverbindung (7, 10) vollständig überdeckt.2. Speech transmitter according to claim 1, characterized in that the diameter of the speech membrane ( 4 ) is dimensioned such that the outer membrane part ( 14 ) at least completely overlaps the area of overlap of the threaded connection ( 7 , 10 ). 3. Sprechübertrager nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Anlagefläche als eine ringförmige Erhebung (13) ausgeführt ist.3. Speech transmitter according to claim 1 or 2, characterized in that the contact surface is designed as an annular elevation ( 13 ). 4. Sprechübertrager nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Membrangehäuse (2) topfförmig ausgebildet und an seinem zylindrischen Wandteil (6) mit einem Innengewinde (7) versehen ist.4. Speech transmitter according to one of claims 1 to 3, characterized in that the membrane housing ( 2 ) is cup-shaped and is provided on its cylindrical wall part ( 6 ) with an internal thread ( 7 ). 5. Sprechübertrager nach Anspruch 4, dadurch gekennzeichnet, daß der Spannring (3) eine topfförmige, mit einem Außengewinde (10) versehene Bauform besitzt, wobei das Außengewinde (10) korres­ pondierend zum Innengewinde (7) ausgeführt ist. 5. Speech transmitter according to claim 4, characterized in that the clamping ring ( 3 ) has a cup-shaped, with an external thread ( 10 ) provided construction, the external thread ( 10 ) is corresponding to the internal thread ( 7 ). 6. Sprechübertrager nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß das Membrangehäuse (2) und der Spannring (3) zusammen mit der Sprechmembran (4) derart gegeneinander verschraubt sind, daß zwischen dem Innenraum des Membrangehäuses (2) und der Sprechmembran (4) eine erste Membrankammer (16) und zwischen dem Innenraum des Spannringes (3) und der Sprechmembran (4) eine zweite Membran­ kammer (17) gebildet ist, wobei die Sprechmembran (4) eine Trennfläche zwischen der ersten Membrankammer (16) und der zweiten Membran­ kammer (17) ist.6. Speech transmitter according to claim 4 or 5, characterized in that the membrane housing ( 2 ) and the clamping ring ( 3 ) together with the speech membrane ( 4 ) are screwed together in such a way that between the interior of the membrane housing ( 2 ) and the speech membrane ( 4th ) a first membrane chamber ( 16 ) and between the interior of the clamping ring ( 3 ) and the speech membrane ( 4 ), a second membrane chamber ( 17 ) is formed, the speech membrane ( 4 ) forming a separating surface between the first membrane chamber ( 16 ) and the second Membrane chamber ( 17 ).
DE29823798U 1998-10-02 1998-10-02 Speech transmitter for a respirator Expired - Lifetime DE29823798U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29823798U DE29823798U1 (en) 1998-10-02 1998-10-02 Speech transmitter for a respirator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19845572A DE19845572C2 (en) 1998-10-02 1998-10-02 Speech transmitter for a respirator
DE29823798U DE29823798U1 (en) 1998-10-02 1998-10-02 Speech transmitter for a respirator

Publications (1)

Publication Number Publication Date
DE29823798U1 true DE29823798U1 (en) 1999-12-16

Family

ID=26049273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29823798U Expired - Lifetime DE29823798U1 (en) 1998-10-02 1998-10-02 Speech transmitter for a respirator

Country Status (1)

Country Link
DE (1) DE29823798U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000120

R081 Change of applicant/patentee

Owner name: DRAEGER SAFETY AG & CO. KGAA, DE

Free format text: FORMER OWNER: DRAEGER SICHERHEITSTECHNIK GMBH, 23560 LUEBECK, DE

Effective date: 20010813

R150 Term of protection extended to 6 years

Effective date: 20020228

R151 Term of protection extended to 8 years

Effective date: 20050119

R152 Term of protection extended to 10 years

Effective date: 20061019

R071 Expiry of right