A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
STRING STOPPER
A string stopper includes a fixing hole formed at an end, and a guide hole formed at one side of the fixing hole. A string is inserted into the fixing hole so that a fixed end of the string is fixed to the fixing hole, and a free end of the string is inserted into an entrance of the guide hole and is drawn out of an exit of the guide hole. The guide hole has a first narrow groove and a second narrow groove which are respectively formed at the inside of the entrance and at the outside of the exit of the guide hole.
STRING STOPPER
A string stopper includes a fixing hole formed at an end, and a guide hole formed at one side of the fixing hole. A string is inserted into the fixing hole so that a fixed end of the string is fixed to the fixing hole, and a free end of the string is inserted into an entrance of the guide hole and is drawn out of an exit of the guide hole. The guide hole has a first narrow groove and a second narrow groove which are respectively formed at the inside of the entrance and at the outside of the exit of the guide hole.
STRING STOPPER
PAIK JI SOOK (author) / PAIK NAN HEE (author) / PAIK JI HYE (author) / SON JI WON (author)
2022-06-30
Patent
Electronic Resource
English