PROBLEM TO BE SOLVED: To reduce impact that occurs when a front window is closed, in a work vehicle equipped with the front window that can open/close to a close position where a window opening part of a front side of an operator room is closed and an open position where the window opening part is opened by being stored in an operator room ceiling part.SOLUTION: At a close position side end part of an upper side guide rail part 8A which guides, for free movement, an upper side roller 4 attached at an upper part of a front window 3, an inclination part 8AaX for deceleration is provided which is inclined so that a groove bottom surface of a roller guide groove 8Aa rises as advances to a close position side. At a stage before a lower side roller 5 reaches a closing position side terminal position when the front window 3 is closed, the upper side roller 4 causes the inclination part 8AaX for deceleration to rise toward a close position side, so that closing speed of the front window 3 is decelerated.
【課題】運転室前面の窓用開口部を閉じる閉位置と運転室天井部に収納されて窓用開口部を開く開位置とに開閉自在な前窓が設けられた作業用車両において、前窓を閉めたときの衝撃を小さくする。【解決手段】前窓3の上部に取付けられた上側ローラ4を移動自在にガイドする上側ガイドレール部8Aの閉位置側端部に、ローラガイド溝8Aaの溝底面が閉位置側ほど高位となるよう傾斜した減速用傾斜部8AaXを設けて、前窓3を閉鎖するときに下側ローラ5が閉位置側終端位置に達する前の段階で上側ローラ4が前記減速用傾斜部8AaXを閉位置側に向けて上昇移動することで、前窓3の閉鎖速度を減速させるように構成した。【選択図】図4
GUIDE RAIL STRUCTURE OF FRONT WINDOW
前窓のガイドレール構造
2015-06-11
Patent
Electronic Resource
Japanese
Guide rail support, guide rail assembly and corner window assembly
European Patent Office | 2025
|VEHICLE WINDOW SEALING STRIP GUIDE RAIL AND VEHICLE BODY SIDE TRIANGULAR WINDOW STRUCTURE
European Patent Office | 2022
|