Cam-actuated centrifugal brake for preventing backspin

Details for Australian Patent Application No. 2006324285 (hide)

Owner Oil Lift Technology Inc.

Inventors Hult, Vern A.

Agent Madderns

Pub. Number AU-B-2006324285

PCT Pub. Number WO2007/068118

Priority 2,530,782 14.12.05 CA

Filing date 14 December 2006

Wipo publication date 21 June 2007

Acceptance publication date 8 September 2011

International Classifications

F16D 51/12 (2006.01) Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like

E21B 33/03 (2006.01) Sealing or packing boreholes or wells - Well heads

F04C 14/06 (2006.01) Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations

F04C 14/28 (2006.01) Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations

F16D 59/00 (2006.01) Self-acting brakes, e.g. coming into operation at a predetermined speed

F16D 65/22 (2006.01) Parts or details of brakes

Event Publications

24 July 2008 PCT application entered the National Phase

  PCT publication WO2007/068118 Priority application(s): WO2007/068118

8 September 2011 Application Accepted

  Published as AU-B-2006324285

19 January 2012 Standard Patent Sealed

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