Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 22, 2018
Patent Application Number
14843748
Date Filed
September 2, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A blowout preventer may be used for shearing an object positioned in a vertical bore extending through the blowout preventer. The blowout preventer includes a shear ram movable towards the tubular, the shear ram including a biasing mechanism for biasing against an interior surface of the blowout preventer body. In this way, the biasing mechanism urges the shear ram into axial engagement with an opposing shear ram movable towards the tubular during shearing operations. The biasing mechanism comprises a biasing member, such as a coiled spring, coned-disc spring, and/or coned-disc washer which urges the biasing mechanism into contact with the inner portion of the blowout preventer body.
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