Seeding Implement Depth Adjustment via Slot Fastener
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Solution Overview
Problem
Existing seeding implement depth adjustment mechanisms are time-consuming due to the need to remove and reposition fasteners in multiple openings, leading to prolonged delays in reconfiguring penetration depths for varying soil conditions, especially when multiple openers are involved.
Innovation Solution
A depth adjustment assembly that allows for rapid reconfiguration by adjusting the position of a fastener within slots in both the packer support structure and packer arm, enabling quick variation of the penetration depth without removing the fastener, thereby facilitating faster adjustments across multiple openers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the fastener is removed and repositioned in different openings to adjust penetration depth, then the penetration depth can be varied, but the adjustment process becomes time-consuming and reduces seeding efficiency
Solution Approach 1:
The patent applies the dynamics principle by making the fastener position adjustable within a continuous slot rather than fixed in discrete openings. The slot allows the fastener to be moved dynamically to different positions along its length, enabling continuous penetration depth adjustment without removing the fastener. This dynamic repositioning capability significantly reduces adjustment time while maintaining adaptability to various penetration depth requirements.
2Manufacturing precision
If multiple openers are configured to maintain the same penetration depth, then consistent seeding depth is achieved, but the total adjustment duration is multiplied by the number of openers
Solution Approach 1:
The patent applies segmentation by providing independent depth adjustment mechanisms for each opener, with each opener having its own packer arm and fastener system. This allows each opener to be adjusted independently to the desired penetration depth, ensuring consistent depth control across all openers while avoiding the time penalty of adjusting multiple openers simultaneously as a single unit.
3Productivity
If the fastener remains disposed within the slots during adjustment, then rapid reconfiguration is achieved, but the structural complexity of the depth adjustment assembly increases
Solution Approach 1:
The patent applies universality by designing the slot structure to serve multiple functions: it guides the fastener position, allows fastener movement for adjustment, and maintains structural integrity during operation. The same slot structure that enables rapid reconfiguration also provides the necessary mechanical support and positioning, eliminating the need for separate complex adjustment mechanisms and reducing overall structural complexity.
Data Source
AI summary
A seeding implement includes a depth adjustment mechanism configured to facilitate rapid reconfiguration of a ground engaging tool for varying penetration depths. The seeding implement includes a ground engaging tool and a packer arm pivotally coupled to a packer support structure. The seeding implement also includes a packer wheel rotatably coupled to the packer arm, and configured to rotate across a soil surface to limit a penetration depth of the ground engaging tool into the soil. The seeding implement further includes a depth adjustment assembly including a slot within the packer support structure, a corresponding slot within the packer arm, and a fastener disposed through the slots. In this configuration, the penetration depth of the ground engaging tool is varied by adjusting a position of the fastener within the slots.