Oscillating device for wellhead swing machine
The utility model discloses a swinging device for a well mouth swinging machine, belonging to mechanical equipment technology field, mainly comprising a driving mechanism, a driven mechanism and a swing stem. The driving mechanism mainly comprises a driving toothed gear and an index plate that coaxi...
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Main Author | |
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Format | Patent |
Language | English |
Published |
07.02.2007
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Subjects | |
Online Access | Get full text |
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