Title:
DUAL ROTATIONAL AND AXIAL LOAD PICK-UP ELEMENT
Document Type and Number:
WIPO Patent Application WO/2012/092914
Kind Code:
A3
Abstract:
The invention relates to a device for transmitting torques to a polished rod and for accommodating axial loads of a polished rod and/or a hollow shaft for a borehole pump. The transmission of the torque and/or the accommodation of the axial load is ensured by a dual-action integral device.
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Inventors:
DITTRICH JOCHEN (DE)
ZUBER ALEXANDER (DE)
CEMIN ANGELO (DE)
ZUBER ALEXANDER (DE)
CEMIN ANGELO (DE)
Application Number:
PCT/DE2011/002036
Publication Date:
April 11, 2013
Filing Date:
November 24, 2011
Export Citation:
Assignee:
NETZSCH OILFIELD PRODUCTS GMBH (DE)
DITTRICH JOCHEN (DE)
ZUBER ALEXANDER (DE)
CEMIN ANGELO (DE)
DITTRICH JOCHEN (DE)
ZUBER ALEXANDER (DE)
CEMIN ANGELO (DE)
International Classes:
E21B19/12; E21B43/12; F04C15/00; F04D13/10
Foreign References:
| US20050269889A1 | 2005-12-08 | |||
| AT281606B | 1970-05-25 | |||
| US20050163640A1 | 2005-07-28 | |||
| US4372379A | 1983-02-08 | |||
| US20090032240A1 | 2009-02-05 | |||
| US20090065190A1 | 2009-03-12 | |||
| US6241016B1 | 2001-06-05 | |||
| US20070175625A1 | 2007-08-02 | |||
| CN201695965U | 2011-01-05 |
Attorney, Agent or Firm:
SUK, Jochen (Gebrüder-Netzsch-Straße 19, Selb, DE)
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