| 摘要 |
The present invention relates to a buffer device for a door of heavy equipment with a deflection prevention function, capable of absorbing a shock, made when a door of heavy equipment is closed, preventing the door from being deflected by a load, and fundamentally blocking noises, caused when a door of heavy equipment moves up and down or left and right. According to the present invention, the buffer device, installed in the heavy equipment to absorb a shock and limit the deflection of the door rotating around the rotation center vertical to the ground, includes: a metal body of which screw thread is formed on a cylindrical outer surface; a polymer buffer member combined with an end part of the body, and of which width is gradually reduced towards a front end part; and a deflection prevention member including an attachment surface, of which shape corresponds to the shape of the buffer member, to be attached to the front end part and side of the buffer member. The body is screwed to one among a door frame and the door and the deflection prevention member is installed in the other one. When the door is closed, the buffer member is attached to the deflection prevention member. |
