Beach-cleaning system for separating litter from sand, trailer incorporating same, and method of using same

A system for separating litter from sand, said system comprising:

• a plurality of beach-cleaning equipment;
• said beach-cleaning equipment being operable to collect litter of various sizes and sand when moved on a beach;
• a collection station for collecting litter and sand collected by said beach-cleaning equipment;
• a box-shaped trailer having an opening at a top portion thereof, and wheels arranged at a lower portion of sidewalls thereof;
• said trailer configured to be loaded with, and collectively carry said litter collection station and said plurality of beach-cleaning equipment;
• a pair of rail members disposed on upper edges of respective opposite said side walls of said trailer such that said pair of rail members face each other with the opening therebetween;
• and
• a sieve unit operatively and detachably mounted on said rail members;
• wherein said sieve unit is operable to reciprocally move along said rail members in a back-and-forth direction.

A sand-sifting trailer apparatus comprising

• a pair of wheels;
• a detachable bottom wall;
• a pair of sidewalls;
• a pair of rail members, each of said rail members attached to an upper edge of respective one of said side walls such that said pair of rail members face each other with an opening therebetween;
• and
• a sieve unit operatively and detachably mounted on said rail members;
• a driving mechanism for transmitting rotary power of the wheels to the sieve unit for reciprocally moving the sieve unit in a back-and-forth direction along the rail members.