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. 01, 1988
Filed:
Jul. 11, 1985
William H Shannon, Fort Payne, AL (US);
Game Time, Inc., , US;
Abstract
A rotating user-propelled playground equipment assembly or whirl including an equipment support base, a spindle secured to the support base, a rotatable platform assembly supported at least in part by the support base. The rotatable platform assembly includes a hub assembly rotatable about the spindle. A hydraulic brake is used to automatically retard the rotation of the rotatable platform assembly about the spindle. The hydraulic brake includes a drive gear secured to and rotatable with the hub assembly, a pump mechanism driven by the drive gear for slowing the rotation of the rotatable platform assembly, and a connecting mechanism for operatively connecting the drive gear and the hydraulic pump mechanism.