DE159968C - - Google Patents

Info

Publication number
DE159968C
DE159968C DENDAT159968D DE159968DA DE159968C DE 159968 C DE159968 C DE 159968C DE NDAT159968 D DENDAT159968 D DE NDAT159968D DE 159968D A DE159968D A DE 159968DA DE 159968 C DE159968 C DE 159968C
Authority
DE
Germany
Prior art keywords
contact
keyhole
tip
locks
drag spring
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.)
Active
Application number
DENDAT159968D
Other languages
German (de)
Publication of DE159968C publication Critical patent/DE159968C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E05B17/16—Closures or guards for keyholes shaped as pins or key bits

Landscapes

  • Burglar Alarm Systems (AREA)
  • Credit Cards Or The Like (AREA)

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

M 159968 KLASSE 6Sa. M 159968 CLASS 6Sa.

RICHARD BLESSIN in BERLIN.RICHARD BLESSIN in BERLIN.

In das Schlüsselloch einführbarer Alarmdorn.Alarm pin insertable into the keyhole.

Patentiert im Deutschen Reiche vom 8. März 1904 ab.Patented in the German Empire on March 8, 1904.

Gegenstand vorliegender Erfindung ist ein Alarmkontakt für Schlösser in möglichst einfacher Form. Derselbe besteht aus einem Kegel b mit Griff a, durch den die Leitungen geführt sind und in fe einen Kontakt an der Spitze des Kegels bilden. In einer geeigneten Aushöhlung desselben liegt eine Schleppfeder c. Durch die Kegelform des Domes soll ermöglicht werden, daß diese Alarmvorrichtung für möglichst viele, verschiedene Schlösser brauchbar ist. Im vorliegenden Fall dient die Schleppfeder dazu, den Kontakt in Schlössern verschiedener Größe festzuhalten. Das Hauptgewicht ist darauf gelegt, daß der Kontakt offen an der Spitze 1,5 liegt und daß auch bei bloßer Einführung eines Metalldrahtes ins Schloß eine Verbindung der Leitungsenden f und e durch den Metalldraht selbst hergestellt wird.The subject of the present invention is an alarm contact for locks in the simplest possible form. The same consists of a cone b with a handle a, through which the lines are passed and in fe form a contact at the tip of the cone. In a suitable cavity of the same there is a drag spring c. The conical shape of the dome is intended to enable this alarm device to be used for as many different locks as possible. In the present case, the drag spring is used to hold the contact in locks of different sizes. The main emphasis is placed on the fact that the contact is open at the tip 1.5 and that even if a metal wire is simply inserted into the lock, a connection of the line ends f and e is established by the metal wire itself.

Claims (1)

Patent-Anspruch :Patent claim: In das Schlüsselloch einführbarer Alarmdorn, dadurch gekennzeichnet, daß er aus einem aus Isoliermaterial hergestellten Kegel besteht, der an der Spitze einen Kontakt (fe) trägt und durch eine Schleppfeder (c) im Schlüsselloch festgehalten wird.Alarm pin insertable into the keyhole, characterized in that it consists of a cone made of insulating material, which has a contact (fe) at the tip and is held in the keyhole by a drag spring (c). Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.
DENDAT159968D Active DE159968C (en)

Publications (1)

Publication Number Publication Date
DE159968C true DE159968C (en)

Family

ID=425988

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT159968D Active DE159968C (en)

Country Status (1)

Country Link
DE (1) DE159968C (en)

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