A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
INSPECTION HATCH
To provide an inspection hatch installed on a ceiling or a wall surface with consideration given to its design so that its presence is not conspicuous, and which is easy and safe to open and close.SOLUTION: Provided is an inspection patch including a rectangular outer frame fixed to an opening provided on an installation surface, a rectangular inner frame installed inside the outer frame so as to be opened and closed, a lid material attached inside the inner frame and having a through hole on a free end side of the inner frame, a distal stay fixed to a distal side of an inner surface on the free end side of the inner frame, a proximal stay fixed to a proximal side of an inner surface on the free end side of the inner frame, a lock unit fixed to the distal stay and having a latch piece capable of being engaged with the outer frame and a keyhole for rotating the latch piece, and a key cover fixed to the proximal stay while passing through the through hole, and having an inner surface hole which is coaxial with the keyhole and penetrates in the vertical direction.SELECTED DRAWING: Figure 7
【課題】天井又は壁面に設置される点検口について、その存在が目立たないよう意匠性に配慮しつつ、開閉作業も容易かつ安全に行う。【解決手段】設置面に設けられる開口に固定される方形状の外枠と、前記外枠の内側に開閉可能に設置される方形状の内枠と、前記内枠の内部に装着されるとともに、前記内枠の自由端側に貫通孔が設けられる蓋材と、前記内枠の自由端側の内面の遠位側に固定される遠位ステーと、前記内枠の自由端側の内面の近位側に固定される近位ステーと、前記遠位ステーに固定されるとともに、前記外枠に対して係止可能なラッチ片と、前記ラッチ片を回動させるための鍵孔とを有する錠ユニットと、前記貫通孔を通した状態で前記近位ステーに固定されるとともに、前記鍵孔と軸心同一かつ上下方向に貫通する内面孔を有する鍵カバーと、を備えることを特徴とする点検口。【選択図】図７
INSPECTION HATCH
To provide an inspection hatch installed on a ceiling or a wall surface with consideration given to its design so that its presence is not conspicuous, and which is easy and safe to open and close.SOLUTION: Provided is an inspection patch including a rectangular outer frame fixed to an opening provided on an installation surface, a rectangular inner frame installed inside the outer frame so as to be opened and closed, a lid material attached inside the inner frame and having a through hole on a free end side of the inner frame, a distal stay fixed to a distal side of an inner surface on the free end side of the inner frame, a proximal stay fixed to a proximal side of an inner surface on the free end side of the inner frame, a lock unit fixed to the distal stay and having a latch piece capable of being engaged with the outer frame and a keyhole for rotating the latch piece, and a key cover fixed to the proximal stay while passing through the through hole, and having an inner surface hole which is coaxial with the keyhole and penetrates in the vertical direction.SELECTED DRAWING: Figure 7
【課題】天井又は壁面に設置される点検口について、その存在が目立たないよう意匠性に配慮しつつ、開閉作業も容易かつ安全に行う。【解決手段】設置面に設けられる開口に固定される方形状の外枠と、前記外枠の内側に開閉可能に設置される方形状の内枠と、前記内枠の内部に装着されるとともに、前記内枠の自由端側に貫通孔が設けられる蓋材と、前記内枠の自由端側の内面の遠位側に固定される遠位ステーと、前記内枠の自由端側の内面の近位側に固定される近位ステーと、前記遠位ステーに固定されるとともに、前記外枠に対して係止可能なラッチ片と、前記ラッチ片を回動させるための鍵孔とを有する錠ユニットと、前記貫通孔を通した状態で前記近位ステーに固定されるとともに、前記鍵孔と軸心同一かつ上下方向に貫通する内面孔を有する鍵カバーと、を備えることを特徴とする点検口。【選択図】図７
INSPECTION HATCH
点検口
NAGATANI ARIHIRO (author) / MATSUNAKA SUEHIRO (author)
2024-08-07
Patent
Electronic Resource
Japanese
IPC:
E04F
FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
,
Ausbau von Bauwerken, z.B. Treppen, Fußböden
INSPECTION HATCH OF A ROLLER SHUTTER BOX AND ROLLER SHUTTER BOX INCLUDING SAID INSPECTION HATCH
| European Patent Office | 2024