Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 19, 2009
Patent Application Number
11377701
Date Filed
March 15, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A hydraulic tool including a frame; a ram movably connected to the frame; and a hydraulic drive system on the frame for moving the ram on the frame by hydraulic pressure. The hydraulic drive system includes an automatic release system for automatically releasing hydraulic fluid from the hydraulic drive system. The automatic release system comprises a first valve which is adapted to be automatically opened by a predetermined hydraulic pressure and a second valve which is adapted to be opened by hydraulic fluid passing through the first valve.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
