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1. 发明专利

JP2020051199A 仮設階段及び建築物の屋内施工方法审中-公开
公开(公告)号：JP2020051199A
公开(公告)日：2020-04-02
申请号：JP2018184032
申请日：2018-09-28
申请人：積水ハウス株式会社
发明人：吉川公司
IPC分类号： E06C1/34 , E04F11/025 , E04G5/10 , E04F11/02
摘要：【課題】階段下地を利用した仮設階段であって、上下階の昇降及び階段下空間の出入りを簡単且つ安全に行うことができる仮設階段及び当該仮設階段を利用した建築物の屋内施工方法を提供する。【解決手段】仮設階段1は、傾斜して設置される一対の平行な桁材3と、桁材3に所定の段板間隔で固定される複数の段板4とを備えた階段下地2に形成され、2段以上に亘って段板4が設けられておらず、桁材3の間を通って階段下に進入可能に形成された階段下進入口5に、設置される仮設階段1であって、階段下進入口5の上側の段板4aに載置される上側載置部62と、階段下進入口5の下側の段板5bに載置される下側載置部63と、を備え、平行に配置される一対の仮設側板6と、一対の仮設側板6の間に架け渡される仮設踏板7と、を備え、仮設踏板7は、一対の仮設側板6に着脱自在に架け渡される。【選択図】図1

3. 发明专利

JP3519651B2 Scaffold ladders and hanging scaffolding that this was attached to a hanging 有权
公开(公告)号：JP3519651B2
公开(公告)日：2004-04-19
申请号：JP30174899
申请日：1999-10-22
申请人：三伸機材株式会社 , 大興物産株式会社
发明人：周燿大月
IPC分类号： E04G3/00 , E06C1/34 , E04G3/06

4. 发明专利

JP2001123655A LADDER FOR SUSPENDED SCAFFOLD AND SUSPENDED SCAFFOLD FITTED WITH IT 失效
公开(公告)号：JP2001123655A
公开(公告)日：2001-05-08
申请号：JP30174899
申请日：1999-10-22
申请人： MITSUBISHI MATERIALS CORP , DAIKO BUSSAN KK , SANSHIN KIZAI KK
发明人： OTSUKI CHIKATERU
IPC分类号： E04G3/00 , E06C1/34 , E04G3/06
摘要： PROBLEM TO BE SOLVED: To provide a ladder for a suspended scaffold capable of securing the safety of a worker during his as cending and descending motion, capable of being retracted in the work, and folded without problem and provide the suspended scaffold fitted with the ladder. SOLUTION: This ladder 1 for a suspended scaffold 101 is provided with a vertical frame 2a rotatably fitted to the suspended scaffold 101 suspended on the side faces of beams A, B and a vertical frame 2b rotatable to the work floor 160 side around the vertical frame 2b. Auxiliary handrails 26a, 26b are inserted into the vertical frames 2a, 2b in a nest state, the vertical frames 2a, 2b are extended only when the worker makes a vertical motion, and the vertical frames 2a, 2b are shrunk otherwise.

6. 发明专利

JPH0860965A FOLDING LADDER 失效
公开(公告)号：JPH0860965A
公开(公告)日：1996-03-05
申请号：JP21806394
申请日：1994-08-19
申请人： MIYATA IND
发明人： NOMURA HIDEO
IPC分类号： E06C1/34 , E06C1/383
摘要： PURPOSE: To restrain deflection of a folding ladder by axially attaching cross rails to axially attaching portions in vertically intermittent positions between a pair of hanging bars which freely fold up, and by mounting approximately U-shaped locking bars between each axially attaching portion and the adjoining axially attaching portion. CONSTITUTION: In an emergency, a hook 25 is held against a verandah handrail or the like and hanging bars 11, 14 are extended downward to form a ladder. At a recess in a wall face, locking bars 20a, 20b, 20c..., which are mounted between an axially attaching portion to which a cross rail 19 is attached and another axially attaching portion to which the adjoining cross rail 19 is not attached, prevent the ladder from deflecting into the depth of the recess. The bars 20a, 20b, 20c... are folded in sequence as the ladder folds. A locking claw 26 pressed by a spring 26a blocks openings in the hook 25 to prevent the hook 25 from disconnecting. Therefore, the refugee can be prevented from taking an abnormal posture with his legs elongated in the depth of the recess in the wall face, and the hook can be prevented from disconnecting.

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