Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Peter De Vin0
Joop Roodenburg0
Date of Patent
March 20, 2007
0Patent Application Number
109668020
Date Filed
October 15, 2004
0Patent Primary Examiner
Patent abstract
A winch system, typically used in a roller coaster system, includes a hydraulic pump, a variable speed motor connected to the hydraulic pump, a first pipe connected to the hydraulic pump; a second pipe connected to the hydraulic pump comprising a second pressurized fluid; an accumulator system connected the pipes; a motor connected to the accumulator system; and a winch drum connected to the motor.
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