Invention Grant
- Patent Title: Ratchet mechanism in a fluid actuated device
- Patent Title (中): 流体致动装置中的棘轮机构
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Application No.: US12608744Application Date: 2009-10-29
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Publication No.: US08365842B2Publication Date: 2013-02-05
- Inventor: David R. Hall , Scott Dahlgren , Jonathan Marshall
- Applicant: David R. Hall , Scott Dahlgren , Jonathan Marshall
- Applicant Address: US TX Houston
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Houston
- Agency: Brinks Hofer Gilson & Lione
- Main IPC: E21B23/00
- IPC: E21B23/00

Abstract:
A tool comprising a fluid path defined by a bore formed within a tubular body includes a guided sleeve and a reciprocating sleeve disposed within the bore. A gearwheel is located on an outer surface of the guided sleeve and at least one pawl located on an inner surface of the reciprocating sleeve. When the reciprocating sleeve translates axially, it rotates in a first direction. As the reciprocating sleeve rotates, the at least one pawl pushes the gearwheel and causes the guided sleeve to rotate in the first direction into a new position.
Public/Granted literature
- US20100212884A1 Ratchet Mechanism in a Fluid Actuated Device Public/Granted day:2010-08-26
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