WINDOW OPENING/CLOSING DEVICE

PROBLEM TO BE SOLVED: To provide a window opening/closing device which can changeover simultaneously between an opening amount adjusting device and a lock mechanism without using an operation handle protruding to the indoor side and which is configured to be slim and excellent in design property.SOLUTION: A window opening/closing device includes an opening amount adjusting device 4, a lock mechanism 5, and an operation mechanism 6 configured to conduct a changeover operation between both of them. The operation mechanism 6 includes: a main case 27; a switching lever 28 reversibly supported by the main case 27; and a slider 29 caused by the switching lever 28 to slide in a reciprocating manner. The opening amount adjusting device 4 and the lock mechanism 5 are respectively connected to the slider 29 in an interlocking manner. The opening amount adjusting device 4 and the lock mechanism 5 are switched among the closed lock state, the ventilatable state and the fully openable state when the switching lever 28 is reversibly operated between first and second positions and is slid-operated from the second position to a third position. The switching lever 28 in each of the first, second, and third positions is accommodated in the main case 27.SELECTED DRAWING: Figure 1 【課題】室内側へ突出する操作ハンドルを用いることなく開量調整装置と錠構造を同時に切換え操作できる、スリムで意匠性に優れた窓用の開閉装置を提供する。【解決手段】開量調整装置４と、錠構造５と、これら両者を切換え操作する操作構造６を備えている。操作構造６は、主ケース２７と、主ケース２７で反転操作可能に支持される切換レバー２８と、切換レバー２８で往復スライド操作されるスライダー２９を備えている。開量調整装置４および錠構造５は、それぞれスライダー２９と連動可能に連結されている。切換レバー２８を第１位置と第２位置に反転操作し、切換レバー２８を第２位置から第３位置へスライド操作すると、開量調整装置４および錠構造５を閉じロック状態と、換気可能状態と、全開放可能状態に切換えられる。第１位置から第３位置の各位置における切換レバー２８は主ケース２７内に収容される。【選択図】図１