Free access type floor
AssigneeSekisui Kagaku Kogyo Kabushiki Kaisha
InventorsShouzi Nagare, Fuziaki Yamakawa, Akio Ishimoto, Yasuo Inukai, Tadahiro Sugamura, Soutarou Takino, Toshiaki Shirakawa
Life of this patent
Estimating the term…
Abstract
A free access type floor comprising a plurality of floor boards arranged on one and the same plane in a closely connected manner to form a secondary floor, engaging members provided at at least each corner of each of said floor boards, and support members provided with floor board-engaging means, which are adjustable in height, for detachably engaging with said adjacent engaging members of adjacent floor boards on one and the same plane to support said floor boards in a closely connected manner, and a method for installing the same.
Claims35
A free access type floor comprising:
- a plurality of floor boards arrranged on one plane in a closely connected manner to form as secondary floor;
- engaging members provided at at least each corner of each of said floor boards;
- and support members provided with floor board-engaging means, which are adjustable in height, for detachably engaging said engaging members of adjacent floor boards to support said floor boards in a closely connected manner;
- said engaging members including an engaging hole;
- said floor board-engaging means including a flange bolt;
- and said support member including a compression spring provided between said flange bolt and said support member.
A free access type floor comprising:
- a plurality of floor boards arranged on one plane in a closely connected manner to form a secondary floor;
- engaging members provided at least each corner of each of said floor boards;
- and support members provided with floor board-engaging means including a flange bolt and a compression spring, said compression spring surrounding said flange bolt, which are adjustable in height, for detachably engaging said engaging members of adjacent floor boards to support said floor boards in a closely connected manner;
- and means to connect support members together.
Dependencies are inferred from the claim text.