3D Push Pull Chain Multi-Plane Joint Orientation
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Solution Overview
Problem
Push pull chains require more space for storage and rolling, limiting their use due to their linear guidance and swivel direction, which hampers their application in systems requiring compactness and flexibility.
Innovation Solution
The joint axes of chain joints in a push pull chain are aligned in two different orientations, allowing the chain to be divided into sections that can be guided and rolled up in multiple planes, enhancing flexibility and compactness by enabling two-dimensional movement and storage independent of operational direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the chain is designed with linear guidance and single swivel direction, then the chain can transmit thrust forces effectively, but the space required for storage and rolling increases
Solution Approach 1:
The patent applies dimensionality change by introducing a second swivel direction perpendicular to the first, transforming the chain from single-plane operation to multi-plane operation. This allows the chain to store in a compact three-dimensional configuration rather than requiring linear extension in a single plane, thereby reducing storage volume while maintaining thrust transmission capability through the first swivel direction
2Device complexity
If the chain is designed with single swivel direction, then the structure remains simple, but the flexibility and adaptability of the chain is limited
Solution Approach 1:
The patent introduces a second swivel direction that is perpendicular to the first swivel direction, enabling the chain to operate in multiple planes. This dimensional addition provides guidance flexibility and adaptability while maintaining relatively simple chain link and joint structures, avoiding complex mechanical systems
Solution Approach 2:
The patent makes the chain structure dynamically adaptable by allowing each chain joint to swivel in two perpendicular directions independently. This dynamic capability enables the chain to adapt to various guidance requirements and operational configurations without requiring complex adjustable mechanisms, achieving versatility through inherent joint flexibility
Data Source
AI summary
A push pull chain is provided with chain links that are connected to each other by respectively one chain joint, designed in a space-efficient manner. The chain joints of a first chain section with their joint axes have a first orientation, whereby the joint axes of the chain joints of a second chain section are arranged in a second orientation that is twisted around the longitudinal axis of the push pull chain or whereby they can be set to this orientation. In addition, a pertaining chain drive is provided.