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1. 发明授权

US5162612A Closure plate for covering opening of floor panels 失效
标题翻译：用于覆盖地板开孔的封闭板
公开(公告)号：US5162612A
公开(公告)日：1992-11-10
申请号：US528192
申请日：1990-05-24
申请人： Hiromasa Naka , Takehiko Okushima , Takao Okumura , Tatsuo Shoji , Tetsuo Tobikawa , Norio Nakamura
发明人： Hiromasa Naka , Takehiko Okushima , Takao Okumura , Tatsuo Shoji , Tetsuo Tobikawa , Norio Nakamura
IPC分类号： E04F15/024 , E04F15/18 , E04F19/08 , H02G3/18 , H02G3/38
CPC分类号： H02G3/185 , E04F15/02423 , E04F19/08
摘要： A closure plate for detachable attachment to the opening formed in a floor panel is provided. The closure plate includes a flexible, integral locking pawl provided with a protrusion at a desired position thereof. The resiliently deformable locking pawl can be formed integrally with the closure plate, and can have an enlarged portion at the free end of the pawl, and the plate can have a manipulation bore with a recessed surface in the inner periphery thereof for receiving the free end of the pawl. The closure plate includes at least in the upper surface thereof a guide portion defining a wiring port.

2. 发明授权

US5072557A Device for fixing floor panels 失效
标题翻译：用于固定地板的装置
公开(公告)号：US5072557A
公开(公告)日：1991-12-17
申请号：US601658
申请日：1990-10-25
申请人： Hiromasa Naka , Norio Nakamura , Takehiko Okushima , Takao Okumura , Tatsuo Shoji , Tetsuo Tobikawa
发明人： Hiromasa Naka , Norio Nakamura , Takehiko Okushima , Takao Okumura , Tatsuo Shoji , Tetsuo Tobikawa
IPC分类号： E04F15/024
CPC分类号： E04F15/02476 , E04F15/02452
摘要： A device for fixing floor panels mounted on a surface of a base floor by means of support legs which permit vertical adjustment of the floor panels is provided. The fixing device comprises a retainer plate fixed to the base floor for receiving the support legs therein; a support member extending vertically from the retainer plate and having an internally threaded portion; a panel holder; and a bearing member for the panel holder. The bearing member includes one end thereof threaded into the internally threaded portion of the support member for rotatable movement of the bearing member relative to the retainer plate. The bearing member is adapted to be accessible through the floor panels for operation thereof. The panel holder is adapted to be engageable with the bearing member in order to fix the floor panels.

3. 发明授权

US4922670A Free access floor and method of constructing the same 失效
标题翻译：免费通道楼及其构造方法
公开(公告)号：US4922670A
公开(公告)日：1990-05-08
申请号：US302319
申请日：1989-01-27
申请人： Hiromasa Naka , Norio Nakamura , Takehiko Okushima , Takao Okumura , Tatsuo Shoji
发明人： Hiromasa Naka , Norio Nakamura , Takehiko Okushima , Takao Okumura , Tatsuo Shoji
IPC分类号： E04F15/024
CPC分类号： E04F15/02452 , E04F15/02405 , E04F15/02458
摘要： The present invention relates to a double flooring structure which may be used to constitute the floor of a computer room or the like in a building. The double flooring structure has excellent constructibility, high earthquake resistance, a wide underfloor space and excellent resistant to deformation under load. The double flooring structure of the present invention comprises bases secured to a floor surface, columnar leg members pivotally standing on the bases, respectively, stringers each stretched between a pair of adjacent columnar leg members, floor panels supported on the stringers, and fastening means for securing the floor panels to the columnar leg members. The pivot point of each columnar leg member is disposed near the floor surface. When the floor panels are secured to the columnar leg members by the fastening means, the columnar leg members, the stringers and the floor panels constitute in combination one rigid body. Accordingly, a load which is applied to each floor panel is dispersed effectively and efficiently. If a lateral load is applied to the double flooring structure of the present invention, the columnar leg members are urged to pivot. However, since the pivot point of each columnar leg member is disposed near the floor surface, it is possible to minimize the bending moment that acts on that portion of each base which is bonded to the floor surface.
摘要翻译：本发明涉及一种双层地板结构，其可用于构建建筑物中的计算机房等的地板。双层地板结构具有优良的施工能力，抗震性能好，地板下空间大，耐荷变形性能优良。本发明的双层地板结构包括固定到地板表面的底座，分别枢转地竖立在基座上的柱形腿构件，各自延伸在一对相邻的柱状腿构件之间的桁条，支撑在桁条上的地板镶板，以及用于将地板固定到柱状腿部件上。每个柱状腿构件的枢转点设置在地板表面附近。当通过紧固装置将地板镶板固定到柱状腿构件时，柱状腿部构件，桁条和地板镶板组合有一个刚体。因此，能够有效且高效地分散施加于各层板的负荷。如果对本发明的双层地板结构施加横向载荷，则促使柱状腿构件枢转。然而，由于每个柱状腿构件的枢转点设置在地板表面附近，所以可以最小化作用在结合到地板表面的每个基座的该部分上的弯矩。

4. 发明授权

US4996804A Device and structure for supporting floor panels 失效
标题翻译：用于支撑地板的装置和结构
公开(公告)号：US4996804A
公开(公告)日：1991-03-05
申请号：US518545
申请日：1990-05-03
申请人： Hiromasa Naka , Takehiko Okushima , Takao Okumura , Tatsuo Shoji , Tetsuo Tobikawa
发明人： Hiromasa Naka , Takehiko Okushima , Takao Okumura , Tatsuo Shoji , Tetsuo Tobikawa
IPC分类号： E04F15/024
CPC分类号： E04F15/02482 , E04F15/02452
摘要： The present invention is a device for supporting floor panels in which when the floor panels are clamped by a single-operation type panel retainer, a retaining member of a vertically swingable panel retainer support on a stud bolt is urged downwardly by the resilient force of a compression spring washer interposed between the upper surface of the retainer member and the lower surface of the head portion of the stud bolt for tightly securing the floor panels to the panel pedestal.The present invention further provides a structure for supporting floor panels in which a supporting post is swingably raised on the pedestal base plate, side walls of corners of the floor panels placed on the panel pedestal being matchingly engaged with a guide wall of the panel pedestal support and mating projections of said panel pedestal being closely fitted into mating holes formed by embedding resin holders in said floor panels, whereby the floor panels are tightly secured by a panel retainer to the panel pedester.

5. 发明授权

US4593493A Access door 失效
标题翻译：通行门
公开(公告)号：US4593493A
公开(公告)日：1986-06-10
申请号：US619270
申请日：1984-06-11
申请人： Hiromitsu Naka , Takehiko Okushima , Tatsuo Shoji
发明人： Hiromitsu Naka , Takehiko Okushima , Tatsuo Shoji
IPC分类号： E04B9/00 , E04B9/18 , E04F19/08 , E05D3/06 , E06B5/01 , E05D15/40
CPC分类号： E05D3/14 , E04B9/003 , E04F19/08 , E06B5/01 , E05Y2900/131 , E05Y2900/612
摘要： An access door to be installed on the ceiling or the like of a building which essentially comprises an outer square frame adapted to be installed in an opening formed at said installation area; an inner square frame pivotally connected to said outer frame for movement between open and closed positions; a pair of link hinge means provided on each of two selected sides of said outer frame to pivotally connect said frame to said outer frame; and a lock means for locking said inner frame to said outer frame as the inner frame is in its closed position.The inner frame has a joint finishing flange at the peripheral edge thereof to conceal the peripheral edge of said outer frame as the inner frame is in its closed position. Also, each of the link hinge means essentially comprises a pair of parallel long links in which the leading end of the lower link has a swing control arm, a short follower link for pivotally connecting the leading ends of the long links, a link guide upwardly pushing the swing control arm as the inner frame is closed, and a bracket connecting the long links together and securing the link hinge means to the outer frame.
摘要翻译：一种安装在建筑物的天花板等上的通道门，其基本上包括适于安装在形成于所述安装区域的开口中的外侧框架; 枢转地连接到所述外框架以在打开和关闭位置之间移动的内方框; 一对连杆铰链装置，设置在所述外框架的两个选定侧的每一个上，以将所述框架枢转地连接到所述外框架; 以及锁定装置，用于当内框架处于其关闭位置时将所述内框架锁定到所述外框架。内框架在其周缘处具有接合精加工凸缘，以在内框架处于其关闭位置时隐藏所述外框架的周边边缘。此外，每个连杆铰链装置基本上包括一对平行的长连杆，其中下连杆的前端具有摆动控制臂，用于枢转地连接长连杆的前端的短随动连杆，向上的连杆导向件当内框被关闭时推动摆动控制臂，以及将长连杆连接在一起并将连杆铰链装置固定到外框的支架。

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