Electric Power-Feeding Structure for Moving Body
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Solution Overview
Problem
Conventional electric power-feeding structures for moving vehicle window glasses, which incorporate heating wires, face issues with looseness and potential malfunction due to excessive length requirements, leading to a bulky accommodation case that occupies valuable space within the door.
Innovation Solution
An electric power-feeding structure featuring an arm with a rotatable distal end and a proximal end that swings, routing the electrical wire alongside the arm, allowing it to bend around a rotating shaft, thereby reducing excess length and eliminating the need for a separate case to restrict movement, ensuring the wire follows the window's motion without interference with the raising/lowering mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the feeding line is accommodated in a case turned back in a U-shape to cope with the raising or lowering of the window glass, then the looseness of the feeding line is restricted and biting by the raising and lowering mechanism is prevented, but the case becomes large in size and occupies valuable space in the door inner space
Solution Approach 1:
The invention extracts the feeding line from the accommodation case and routes it along the arm structure itself. The feeding line is guided through grooves formed on the arm, eliminating the need for a separate bulky case while maintaining protection and proper routing during window glass movement.
Solution Approach 2:
The arm structure serves multiple functions: it provides mechanical support for the window glass, guides the feeding line through its grooves, and prevents feeding line malfunction. This multi-functionality eliminates the need for a separate accommodation case, reducing overall space occupation.
2Adaptability or versatility
If an excess length by at least more than half the stroke of the window glass is required for the feeding line turned back in a U-shape, then the raising or lowering motion is accommodated, but the amount of looseness produced is relatively large requiring a larger case
Solution Approach 1:
The feeding line is routed dynamically along the arm structure, following its motion path during window glass raising and lowering. This dynamic routing allows the feeding line to accommodate motion with minimal excess length, as it moves with the arm rather than being stored in a static U-shaped configuration.
Solution Approach 2:
Instead of routing the feeding line in a simple U-shape parallel to the window glass motion, the invention routes it along the arm structure in a different spatial dimension and configuration. This alternative routing path reduces the required excess length while still accommodating the full range of motion.
Data Source
AI summary
An electric power-feeding structure for feeding electric power to a moving body which is driven to be raised or lowered, includes: an arm having a distal end connected to the moving body movably in a direction perpendicular to a raising or lowering direction of the moving body, and a proximal end adapted to be rotatably driven so as to swing, to thereby drive the raising or lowering of the moving body. An electrical wire is routed alongside the arm, and one end of the electrical wire extending from the distal end of the arm is connected to the moving body to feed electric power to the moving body. In a vicinity of a rotating shaft of the arm, the electrical wire is routed around the rotating shaft to be bent and deformed.