The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 2007
Filed:
Oct. 15, 2004
Applicants:
Joop Roodenburg, Delft, NL;
Peter DE Vin, Rijswijk, NL;
Inventors:
Joop Roodenburg, Delft, NL;
Peter De Vin, Rijswijk, NL;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B66D 1/10 (2006.01);
U.S. Cl.
CPC ...
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.