AT7867B - Conveyor chair for drill pipes. - Google Patents

Conveyor chair for drill pipes.

Info

Publication number
AT7867B
AT7867B AT7867DA AT7867B AT 7867 B AT7867 B AT 7867B AT 7867D A AT7867D A AT 7867DA AT 7867 B AT7867 B AT 7867B
Authority
AT
Austria
Prior art keywords
conveyor
chair
sleeve
drill pipes
grippers
Prior art date
Application number
Other languages
German (de)
Inventor
Victor Petit
Original Assignee
Victor Petit
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 Victor Petit filed Critical Victor Petit
Application granted granted Critical
Publication of AT7867B publication Critical patent/AT7867B/en

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  • Chain Conveyers (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



   Oesterreichische PATENTSCHRIFT Nr. 7867. 
 EMI1.1 
 VICTORPETITINSTRYJ. 



   Förderstuhl für Bohrrohre. 
 EMI1.2 
 Hülse 1 befestigt ist. Zwischen diesen Ringen 11, 12 ist eine Schraubenfeder 13 gelagert,   welche das Bestreben hat, die beiden Ringe voneinander zu entfernen, bezw. die Hülse 8   und mit ihr die Greifer 5 nach abwärts zu drücken. 



     Am äusseren Umfange   der   llülse j !, am   unteren Theile derselben ist ein Haches Ge- 
 EMI1.3 
 obersten Rohres aufgesetzt, wodurch die Greifer 5 nach oben gedrängt und die Feder 13   gespannt wird. Diese wird. indem sie   auf die Vorrichtung einen'gewissen Zug ausübt, 
 EMI1.4 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 



   Um die Vorrichtung vom Rohre   wieder     loszumachen,   genügen einige Hammerschläge auf die Nasen   10,   um die. Zähne der Greifer aus dem Rohre zu bringen. Hierauf wird durch Drehung der Ringmutter 15 die Hülse 8 nach oben geschoben, wodurch durch die ringförmige Scheibe 6 die Greifer gehoben werden und das Rohr freigegeben wird. 



   PATENT-ANSPRÜCHE :
1. Förderstuhl für Bohrrohre, gekennzeichnet durch die Anordnung einer Schrauben- 
 EMI2.2 
 nach unten zu drücken.



   <Desc / Clms Page number 1>
 



   Austrian PATENT LETTER No. 7867.
 EMI1.1
 VICTORPETITINSTRYJ.



   Conveyor chair for drill pipes.
 EMI1.2
 Sleeve 1 is attached. Between these rings 11, 12 a coil spring 13 is mounted, which tends to remove the two rings from each other, respectively. to push the sleeve 8 and with it the gripper 5 downwards.



     On the outer circumference of the sleeve, on the lower part of the same, there is a
 EMI1.3
 The uppermost tube is placed, whereby the gripper 5 is pushed up and the spring 13 is tensioned. This will. by exerting a certain pull on the device,
 EMI1.4
 

 <Desc / Clms Page number 2>

 
 EMI2.1
 



   In order to release the device from the pipe again, a few blows of the hammer on the lugs 10 are sufficient to remove the. To bring the teeth of the gripper out of the pipe. Then, by rotating the ring nut 15, the sleeve 8 is pushed upwards, as a result of which the grippers are lifted by the annular disk 6 and the pipe is released.



   PATENT CLAIMS:
1. Conveyor chair for drill pipes, characterized by the arrangement of a screw
 EMI2.2
 to press down.

Claims (1)

2. Bei dem Förderstuhle nach'Anspruch 1 zum Loshaken desselben, die Anordnung von mit der Hülse (1) festverbundenen Nasen (10), um durch auf diese ausgeführte Hammerschläge die Zähne der Greifer aus dem Rohre zu entfernen, während durch das Drehen eines in das am Umfange der Hülse (1) eingeschnittene Schraubengewinde eingreifenden, sich auf die Hülse (8) stützenden Muttorringes (15), die Greifer (5) nach oben bewegt und vom Rohrende abgehoben werden. 2. In the case of the conveyor chair according to claim 1 for unhooking the same, the arrangement of lugs (10) firmly connected to the sleeve (1) in order to remove the teeth of the grippers from the pipe by hammering them, while turning a the screw thread cut into the circumference of the sleeve (1) engages the nut ring (15), which is supported on the sleeve (8), the grippers (5) are moved upwards and lifted from the pipe end.
AT7867D 1901-02-14 1901-02-14 Conveyor chair for drill pipes. AT7867B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT7867T 1901-02-14

Publications (1)

Publication Number Publication Date
AT7867B true AT7867B (en) 1902-06-10

Family

ID=3499709

Family Applications (1)

Application Number Title Priority Date Filing Date
AT7867D AT7867B (en) 1901-02-14 1901-02-14 Conveyor chair for drill pipes.

Country Status (1)

Country Link
AT (1) AT7867B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197835A (en) * 1962-07-02 1965-08-03 Cicero C Brown Power-operated elevator devices for well pipe
WO2018098269A2 (en) 2016-11-23 2018-05-31 Mersana Therapeutics, Inc. Peptide-containing linkers for antibody-drug conjugates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197835A (en) * 1962-07-02 1965-08-03 Cicero C Brown Power-operated elevator devices for well pipe
WO2018098269A2 (en) 2016-11-23 2018-05-31 Mersana Therapeutics, Inc. Peptide-containing linkers for antibody-drug conjugates

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