公开(公告)号：US5280695A

公开(公告)日：1994-01-25

申请号：US832858

申请日：1992-02-07

申请人： John F. Nunes, Jr. ,  Aaron M. Days ,  Gilbert W. Borba ,  Manuel Furtado, Jr.

发明人： John F. Nunes, Jr. ,  Aaron M. Days ,  Gilbert W. Borba ,  Manuel Furtado, Jr.

IPC分类号： A01D75/30

CPC分类号： A01D75/30 ,  Y10S56/09 ,  Y10S56/14

摘要： Wide area mower which can be attached to and detached from a tractor in a relatively short time. In one disclosed embodiment, the mower has a main frame which is detachably connected to the rear mount of a tractor, swing frames pivotally connected to the main frame for movement into and out of engagement with the side mounts of the tractor, means detachably locking the swing frames in engagement with the side mounts, and mowing heads mounted on the frames to the sides and rear of the tractor. In another disclosed embodiment, the mower includes a frame adapted for connection to a towing vehicle, a pair of side decks positioned on opposite sides of the frame, a center deck positioned between the side decks, a pair of rear decks positioned to the rear of and between the side decks and the center deck. Ground engaging wheels at the front and rear of each deck support the decks, with the wheels at the rear of the side decks and the center deck being aligned with the wheels at the front of the rear decks, and means pivotally mounting the decks to the frame so that the decks can follow the contour of the ground.

摘要翻译： 宽幅割草机可以在相对较短的时间内与拖拉机相连和分离。 在一个公开的实施例中，割草机具有可拆卸地连接到拖拉机的后部安装件的主框架，枢转地连接到主框架的摆动框架用于与拖拉机的侧面安装件移动和脱离啮合，装置可拆卸地锁定 与侧面安装件接合的摆动框架，以及安装在框架上的拖拉机的侧面和后部的割草头。 在另一个公开的实施例中，割草机包括适于连接到牵引车辆的框架，位于框架的相对侧上的一对侧甲板，位于侧甲板之间的中间甲板，位于侧板之后的一对后甲板 以及侧甲板和中甲板之间。 每个甲板前部和后部的地面接合轮支撑甲板，车轮位于侧甲板的后部，中间甲板与后甲板前部的轮对准，并且装置将甲板枢轴安装到 使得甲板可以跟随地面的轮廓。