Cutting head forming part of mowing machine using flexible cords for use on long grass has nut compressing cord holding discs against flange on head

摘要

The flexible cord guide head (1) has a flange with a very slightly conical surface (10) adjacent to a hollow generally cylindrical body with a male thread (6) and with several equispaced longitudinal slits (4). There are two pressure discs (2). A first cord is compressed between the two discs and a second cord is compressed between the lowermost cord and the flange on the head. The nut (3), which presses on the disc, has a female thread in a stepped though-bore (7). -