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(11)

EP 2 539 526 A1

(12)

(43) Date of publication: 02.01.2013 Bulletin 2013/01 (21) Application number: 10846747.3 (22) Date of filing: 26.02.2010

(51) International Patent Classification (IPC):  E05F 11/00(2006.01) (86) International application number: PCT/US2010/000573 (87) International publication number: WO 2011/105984 (01.09.2011 Gazette 2011/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Huang, Chien Fong City of Industry, CA 91748 (US)	(72) Inventors: YU, Fu-Lai Taipei Hseih (TW) HUANG, Chin-Tien Taipei Hsieh (TW) (74) Representative: Miller, James Lionel Woolverton et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)