INNER WINDOW

• Main Authors: YAMADA MASAKANE, SUGIMOTO MIKU
• Format: Patent
• Language: English; Japanese
• Published: 18.05.2022
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

To provide an inner window capable of preventing a sash from falling off.SOLUTION: An inner window 1 is disposed at an indoor side of an outer window and has a frame body 2 having a headsill 21, and sashes 3, 4 that are disposed inside the frame body 2 and can slide in a lateral direction. The headsill 21 has downward protruding rails 212, 213 that protrude downward. The sashes 3, 4 have rail storing guide portions 312, 412 that open upward and store at least a portion of the downward protruding rails 212, 213 and guide sliding movement in the lateral direction of the sashes 3, 4, and are equipped with a sash fall stop member 7 that is configured to be mountable to the headsill 21 at least at a portion of the sashes 3, 4 within a range of the sliding movement, and has a lower end 212a positioned below the lower ends 212a, 213a of the downward protruding rails 212, 213.SELECTED DRAWING: Figure 2 【課題】障子の脱落を防止できる内窓を提供すること。【解決手段】内窓１は、外窓の屋内側に配置される内窓であって、上枠２１を有する枠体２と、枠体２内に配置され、横方向にスライド移動可能な障子３，４と、を備え、上枠２１は、下方に突出する下方突出レール２１２，２１３を有し、障子３，４は、上方に向けて開放すると共に下方突出レール２１２，２１３の少なくとも一部を収容して障子３，４の横方向へのスライド移動をガイドするレール収容ガイド部３１２，４１２を有し、障子３，４のスライド移動の移動範囲の少なくとも一部において、上枠２１に取り付け可能に構成され、下端部２１２ａの位置が、下方突出レール２１２，２１３の下端部２１２ａ，２１３ａの位置よりも下方に位置する障子外れ止め部材７を備える。【選択図】図２