Beach-cleaning system for separating litter from sand, trailer incorporating same, and method of using same
US8109342B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2009 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Jan 14, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B1/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A box-shaped beach-cleaning trailer is configured to be loaded with, and collectively carry beach-cleaning equipment and a litter collection station. The beach-cleaning equipment are towed by a vehicle to collect litter on the sands. The litter collected by the beach-cleaning equipment is collected in the litter collection station. The trailer includes a pair of rail members disposed on upper edges of the respective opposite side wall portions such that the rail members face each other with an opening therebetween. A sieve unit is detachably mounted on the rail members, and is configured to move a back-and-forth direction along the rail members. The sieve unit is moved in a back-and-forth direction manually; or by using a driving mechanism including a drive wheel, a driven wheel, and a connecting rod arranged between the sieve unit and the driven wheel, for separating colleted litter of various sizes from sand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.