Patent · US Expired

Adjustable pool flooring structure

US5678253A · kind A · utility

17Cited by
8References
20Claims
0Family size

Inventor

Key dates

Filing dateJun 28, 1996
Grant dateOct 21, 1997
Priority date
Expiry dateJun 28, 2016

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04H4/065
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An adjustable flooring structure for a pool includes a platform and three groups of hydraulic cylinders. The first group of cylinders is vertically mounted to the platform and is extendable between a minimum first length and a maximum first length for lifting the pool from a minimum height to an intermediate height. The second group of cylinders is pivotally mounted to the platform and movable between a horizontal disposition and a vertical disposition for lifting of the platform. The second group of cylinders is extendable between a minimum second length and a maximum second length for lifting the platform from the intermediate height to the maximum height when the second group of cylinders are vertically disposed. The third group of cylinders are pivotally mounted to the platform and are pivotally mounted to the second group of cylinders for moving the second group of cylinders between the horizontal disposition and the vertical disposition when the platform is at the intermediate height. Alternatively, the second and the third groups of cylinders can be mounted to the base of the pool rather than the platform. Hydraulic lines connect the cylinders to a hydraulic power pack and a…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.