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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2013/005867
Kind Code:
The present invention relates to a spring for a bed mattress, and more particularly, to a double spring for a bed mattress which more integrally forms a portion that bears an amount of pressure from a weight applied to a portion of a single or double spring, and which can resist deformation of the spring while extending the service life of the spring. That is, the present invention relates to the spring for the bed mattress, which has a separate rigid support ledge which is capable of withstanding the amount of pressure from a small weight and which is integrally formed in the portion of the single spring, which has a double cushioning structure including an exposed coil spring and a main spring, or in the portion of the single spring having only the main spring, wherein only the exposed coil spring is compressed by the small weight, and the exposed coil spring and the main spring are compressed together by a large weight, so that deformation of the spring can be prevented while extending the service life of the spring, and the quality of the bed mattress can be improved.

AHN, Sung Ho (178 Seohyeon-dong, Bundang-gu Seongnam-si, Gyeonggi-do 463-050, 463-050, KR)
Application Number:
Publication Date:
January 10, 2013
Filing Date:
July 01, 2011
Export Citation:
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ACE BED CO., LTD. (142-6, Sangdaewon 1-dong Jungwon-gu, Seongnam-si, Gyeonggi-do 462-807, 462-807, KR)
주식회사 에이스침대 (462-807 경기도 성남시 중원구 상대원1동 142-6, Gyeonggi-do, 462-807, KR)
International Classes:
A47C23/043; A47C27/06
Foreign References:
Attorney, Agent or Firm:
HALLA PATENT & LAW FIRM (9F KAMCO Yangjae Tower, 949-3 Dogok-dong Gangnam-gu, Seoul 135-270, 135-270, KR)
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