AT26523B - Drill bit. - Google Patents

Drill bit.

Info

Publication number
AT26523B
AT26523B AT26523DA AT26523B AT 26523 B AT26523 B AT 26523B AT 26523D A AT26523D A AT 26523DA AT 26523 B AT26523 B AT 26523B
Authority
AT
Austria
Prior art keywords
drill bit
teeth
screwed
pipe
desc
Prior art date
Application number
Other languages
German (de)
Inventor
Julius Tanne
Wiktor Dr Ungar
Original Assignee
Julius Tanne
Wiktor Dr Ungar
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 Julius Tanne, Wiktor Dr Ungar filed Critical Julius Tanne
Application granted granted Critical
Publication of AT26523B publication Critical patent/AT26523B/en

Links

Landscapes

  • Drilling And Boring (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Bohrmeissel. 
 EMI1.1 
 Gestänges erfolgt. Diese Vorrichtung hat den Nachteil, dass ein Bruch infolge der auf-   tretenden Stosse bozw.   eine   Beschädigung der   Zähne des Kronenzahnschaltwerkes ein 
 EMI1.2 
 zu entlasten nd liegt das Wesen derselben darin, dass an dem Bohrer ein Bund angebracht ist, auf welchem die das   Schaltwerk   tragende Hulse in der Endstellung aufrubt, 
 EMI1.3 
 vorgesehen ist, das mit der Stange   verschraubt und durch eine versenkte Schraube 4 gegen   Verdrohung gesichert ist. Das obere und untere Ende dieses Rohres ist nach Art der Klauenkupplung zu Zähnen 5 ausgebildet.

   Um dieses Rohr ist eine   Hülse {j angeordnet.   in welche kurze   Rohrstucke   7, 8 eingeschraubt sind, welche an ihrem unteren bezw. oberen Ende zu Zähnen 9, 10 ausgebildet und durch Schrauben 11 derart gegen Verdrehung gesichert werden, dass die Zähne gegen   (ie am Rohre- vorgesehenen   versetzt sind. In dem   obersten Teil des Rohres 3   ist eine Platto 12 eingeschraubt, an weicher eine zentrale Öffnung vorgesehen ist. Mit dieser Platte ist ein   Ring 18,   der zur   Seill) efestigung dient,   drehbar verbunden. 
 EMI1.4 
 so eine Beschädigung der Zähne hintangehalten. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Drill bits.
 EMI1.1
 Linkage takes place. This device has the disadvantage that a break due to the impacts occurring bozw. damage to the teeth of the crown gear mechanism
 EMI1.2
 to relieve and the essence of the same lies in the fact that a collar is attached to the drill, on which the sleeve carrying the switching mechanism rubs open in the end position,
 EMI1.3
 is provided, which is screwed to the rod and secured by a countersunk screw 4 against threats. The upper and lower ends of this tube are designed as teeth 5 in the manner of a claw coupling.

   A sleeve {j is arranged around this tube. into which short pieces of pipe 7, 8 are screwed, which respectively at their lower. The upper end is formed into teeth 9, 10 and secured against rotation by screws 11 in such a way that the teeth are offset against (ie provided on the pipe. A plate 12 is screwed into the uppermost part of the pipe 3, on which a central opening is provided A ring 18, which is used to fasten the rope, is rotatably connected to this plate.
 EMI1.4
 thus preventing damage to the teeth.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

PATENT-ANSPRUCH : EMI1.5 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: EMI1.5 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT26523D 1906-02-24 1906-02-24 Drill bit. AT26523B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT26523T 1906-02-24

Publications (1)

Publication Number Publication Date
AT26523B true AT26523B (en) 1906-11-26

Family

ID=3538110

Family Applications (1)

Application Number Title Priority Date Filing Date
AT26523D AT26523B (en) 1906-02-24 1906-02-24 Drill bit.

Country Status (1)

Country Link
AT (1) AT26523B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747701A (en) * 1971-12-03 1973-07-24 Armadillo Holdings Ltd Rotational device for earth boring tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747701A (en) * 1971-12-03 1973-07-24 Armadillo Holdings Ltd Rotational device for earth boring tools

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