Sand cleaning apparatus and method
US8464874B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2011 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Jun 14, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09C2101/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
In general terms, embodiments of the present invention relate to methods and apparatuses for cleaning, grooming, and otherwise maintaining sand and sandy surfaces. For example, some embodiments of the present invention provide an apparatus for cleaning a sandy surface, where the sandy surface includes unsifted sand, and where the unsifted sand includes sand and unwanted material. In some embodiments, the apparatus includes: (a) one or more frames; (b) a conveyor carried by the one or more frames and including a first portion and a second portion, where the conveyor is configured to transport the unsifted sand from the first portion towards the second portion; (c) at least one paddle carried by the one or more frames and configured to direct the unsifted sand from the sandy surface towards the conveyor; and (d) a sifter carried by the one or more frames and configured to: (i) receive the unsifted sand from the conveyor; (ii) prevent the unwanted material from passing through the sifter; and (iii) allow the sand to pass through the sifter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.