Pool cleaning vehicle having improved intake port
US8627532B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 10, 2008 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Feb 2, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1654
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A swimming pool cleaning device is disclosed herein. The device includes a vehicle having a body shell and an interior and at least one intake port located on the body shell. The vehicle includes at least one water outlet port also located on the outer shell. The vehicle includes a drive mechanism which in different embodiments includes pairs of wheels and/or rollers or a combination of wheels and rollers In one embodiment the wheels or rollers can be power driven, while in another embodiment they would be free rotating, and can easily climb over obstacles on a swimming pool floor. In one embodiment, the intake ports are located in close proximity to the drive mechanism. In another embodiment, the vehicle has a concaved bottom. The concaved bottom points towards the interior. In this embodiment the intakes can be located slightly farther away from ends of the vehicle as a result of the curvature of the bottom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.