Title:
シットアップボード
Document Type and Number:
Japanese Patent JP2008508928
Kind Code:
A
Abstract:
Disclosed herein is a sit-up board. The sit-up board includes a first board ( 110 ), a second board ( 120 ), and a guy cable ( 160 ). At least one tension spring is provided on a lower surface of the first board. At least one extension cable, which is coupled to an end of the tension spring and extends the tension spring, is drawn to the upper surface of the first board along a plurality of guide units provided on the lower surface of the first board. The second board is coupled to the first board via a hinge unit in such a way as to rotate downwards, with a foot support being detachably mounted to the second board. The guy cable passes through ends of the first and second boards, and supports the first and second boards at a predetermined angle. This invention facilitates a wide variety of exercises.
Inventors:
Namdegon
Application Number:
JP2007524737A
Publication Date:
March 27, 2008
Filing Date:
July 25, 2005
Export Citation:
Assignee:
Namdegon
International Classes:
A63B23/02
Attorney, Agent or Firm:
Masatsugu Suzuki
Kenichi Wakui
Norihiro Yamamoto
Kazunaga Suzuki
Kenichi Wakui
Norihiro Yamamoto
Kazunaga Suzuki