B - Operations – Transporting – 27 – G
Patent
B - Operations, Transporting
27
G
B27G 19/00 (2006.01) A01D 75/18 (2006.01) A01D 75/20 (2006.01) B23D 47/04 (2006.01) B27B 5/10 (2006.01) B27G 19/02 (2006.01)
Patent
CA 2076626
ABSTRACT OF THE DISCLOSURE The invention relates to a cutter guard (13, 14) in clearing assemblies (1) provided with a cutter (3) mounted on a shaft (6) and rotatable by means of a motor (11), said shaft (6) being carried in a body (8), the guard comprising a hub section (13) provided in association with the cutter (3) and essentially coaxial with the shaft (6), the hub section (13) having a diameter which is less than the diameter of the rotatable cutter (3) and carrying a plurality of fixed arms (14) which extend outwards beyond the periphery of the cutter (3). The hub section (13) is arranged freely rotatable in relation to the body (8) and those parts of the arms (14) extending beyond the outermost periphery of the cutter (3) are provided with a surface facing in a direction opposite the rotational direction of the cutter (3) and extending up above the plane of the top surface of the cutter as well as to or below the plane of the bottom surface of the cutter (3), said arm surface having a radial extension arranged such that all tangents which can be drawn from the outermost periphery of the cutter between adjacent arms will cut that of the surfaces which is located on that of the two arms which lies rearmost, as viewed in the rotational direction of the cutter, the arms furthermore being formed such that radial movement along the surface of a particle or the like leaving the periphery of the cutter (3) tangentially and hitting the surface will be opposed.
Hult Bror
Linder Lennart
Fmg Timberjack Ab
Marks & Clerk
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