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
Links
Landscapes
- Chain Conveyers (AREA)
Description
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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,
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<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.
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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)
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)
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 |
-
1901
- 1901-02-14 AT AT7867D patent/AT7867B/en active
Cited By (2)
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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