Soil cultivating implements and screening elements专利检索-栽培板无土农业专利检索查询-专利查询网

Soil cultivating implements and screening elements

阅读：873发布：2023-12-23

专利汇可以提供Soil cultivating implements and screening elements专利检索，专利查询，专利分析的服务。并且A cultivating implement has tined soil working members mounted side-by-side in a row. A screening plate element is pivotably mounted adjacent at least one side of the implement to deflect debris thrown by the soil working members. Each screening element being mounted to pivot at its forward end about a vertical rod in a sleeve secured to the implement''s frame. The rod is attached to the screen together with a second and third rod which are arranged in U-shaped configuration. The screening element is slideable and vertically adjustable in the sleeve and rides on the ground with a rim. A spring on the sleeve biases the screening element against the frame''s side so that the element returns to extend in the direction of travel once debris is dislodged from between the frame and the element.，下面是Soil cultivating implements and screening elements专利的具体信息内容。

权利要求

1. A soil-working cultivating implement comprising a frame and a plurality of soil-working members rotatably mounted on said frame, said soil-working members being mounted on upwardly extending shafts located in a transverse row and driving means on said implement being connected to rotate said shafts, a platelike screening element being pivotably mounted on said frame adjacent each end of said row, said element having a forward end pivoted to said frame and being turnable about an axis that extends substantially parallel to said shafts, a spring associated with said element and said spring biasing said element to turn same towards said soil-working members, against a stop on said implement, whereby the turning movement of said screening element about said axis is limited.

2. An implement as claimed in claim 1, wherein said screening element has means for adjustment thereof in a direction substantially parallel to said axis.

3. An implement as claimed in claim 1, wherein the axis about which said screening element is pivotable is located in front of a plane containing said shafts and the axes of rotation of said soil-working members with respect to the normal direction of travel.

4. An implement as claimed in claim 3, wherein said soil-working members each have tines and the perpendicular distance between said axis and said plane is substantially equal to the total length of one tine of one of said rotary soilworking members.

5. An implement as claimed in claim 1, wherein the axis about which said screening element is turnable is defined by a rod, said rod being secured to said screening element and being turnable in bearing sleeve attached to said frame.

6. An implement as claimed in claim 5, wherein said spring is associated with the screening element to exert a minimum of force upon said element when the latter extends substantially parallel to the direction of travel.

7. An implement as claimed in claim 5, wherein a roller is connected to trail at the rear of said soil-working members, said roller being connected to said frame with arms and said arms having adjustment means that raise and lower said frame to regulate the working depth of said soil-working members, said stop being comprised by one of said arms.

8. An implement as claimed in claim 7, wherein a second rod is secured to the lowermost end of said first mentioned rod, said second rod normally extending rearwardly therefrom with respect to the direction of travel and being secured to said screening element.

9. An implement as claimed in claim 8, wherein an upwardly extending abutment rod is attached to said second rod to accupy a fixed position, relative to said screening element, said abutment rod being positioned to cooperate with said stop.

10. An implement as claimed in claim 9, wherein said spring includes convolutions that surround said bearing sleeve for said rod.

11. An implement as claimed in claim 9, wherein at least a portion of said spring normally contacts said upwardly extending abutment rod.

12. An implement as claimed in claim 11, wherein said portion of the spring normally contacts that side of the abutment rod remote from said row of soil-working members.

13. An implement as claimed in claim 5, wherein said bearing sleeve is secured to one end of said frame.

14. An implement as claimed in claim 5, wherein said rod is vertically slideable in said bearing sleeve and has a plurality of transverse holes that receive a locking pin, whereby said pin is insertable in any selected one of said holes to bear against an upper end of said sleeve and restrict the vertical movements of the screening element.

15. An implement as claimed in claim 1, wherein said screening element is freely displaceable to a predetermined extent in an upward direction.

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