A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
A01G 23/093 (2006.01)
Patent
CA 2166085
The invention relates to a wood harvester which includes a cutting unit. With the intention of provid- ing a cutting unit which can selectively effect a cutting operation either by sawing or by shearing, it is pro- posed in accordance with the invention, among other things, that the cutting unit includes a pair of shearing elements (42, 42), of which one can be driven relative to the other in a first plane between an open position and a shearing terminal position, and also a saw means (64) which can be driven in a second plane generally parallel with the first plane between a rest position and a saw terminal position, wherein the saw means (64) when in its rest position is located so close to one of the shearing elements (42) that in the open position the clipping element will form a bottom guard for the saw means (64) before operating the saw means (64) or the shearing elements (42, 42).
Cette invention concerne une abatteuse de bois qui comporte un dispositif de coupe. Pour que ce dispositif puisse effectuer des opérations de coupe, soit par sciage, soit par cisaillement, il est proposé, notamment, de le munir d'une paire d'éléments de cisaillement (42, 42) se déplaçant l'un vers l'autre dans un premier plan entre une position ouverte et une position extrême de cisaillement, ainsi que d'une scie (64) qui peut être actionnée dans un second plan, en général parallèle au premier, entre une position de repos et une position terminale. La scie (64), en position de repos, est si proche de l'un des éléments de cisaillement (42) que l'élément de préhension, en position ouverte, lui sert de protection inférieure, avant que la scie (64) ou les éléments de cisaillement (42, 42) soient actionnés.
Fetherstonhaugh & Co.
Widegren Lars
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