| 摘要 |
It comprises four devices coupled together: one converts the circular movement of a shaft into another, rectilinear and oscillating movement by means of an eccentric cylinder and an angle bracket; another consists of a transmission bar equipped with a stretcher and central support; another has a rocker in the front part of the tractor, vertical to the latter, with two springs joined to a framework; and another has jaws, a rotary bar which can be dismantled, is articulated and multi- directional, and also hydraulic cylinders. It is used for gathering olives. <IMAGE>
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