GATE DOOR-DRIVING DEVICE

• Main Author: NAKAGAWA KIYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 16.02.2015
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; 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; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

PROBLEM TO BE SOLVED: To provide a gate door-driving device having a wide range covered with a cover member.SOLUTION: One embodiment of the gate door-driving device of the present invention comprise: a drive device main unit; a drive sprocket provided on a drive shaft projecting from the drive device main unit and meshing with a chain connected to a gate door; a support part separately provided in the projecting direction of the drive shaft with respect to the driving sprocket; at least one or more driven sprockets provided on a driven shaft projecting to the driving device body side from the support part and meshing with the chain; and a chain cover member provided along an advance-retreat direction of the chain and moving in response to movement of the chain while passing through a gap between the driven sprockets and the drive device main unit. 【課題】カバー部材によってカバーされる範囲が広い門扉駆動装置を提供する。【解決手段】本発明の門扉駆動装置の一つの態様は、駆動装置本体と、前記駆動装置本体から突出する駆動軸に設けられ、門扉に接続されたチェーンと噛み合う駆動スプロケットと、前記駆動スプロケットに対して前記駆動軸の突出する向きに離間して設けられる支持部と、前記支持部から前記駆動装置本体側に突出する従動軸に設けられ、前記チェーンと噛み合う少なくとも１つ以上の従動スプロケットと、前記チェーンの進退方向に沿って設けられ、前記従動スプロケットと前記駆動装置本体との隙間を通過しながら前記チェーンの移動に伴って移動するチェーンカバー部材と、を備えることを特徴とする。【選択図】図１