Human-Powered Vehicle Control Device Independent Pivoting

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Solution Overview

Problem

Existing human-powered vehicle operating devices are not easily accessible, leading to discomfort and reduced operability for users.

Innovation Solution

A human-powered vehicle operating device with a base member, first and second operating members, and electrical switches, where the operating members pivot independently and are arranged to reduce size, with asymmetrical and inclined surfaces for easy recognition and access, and a clamp system that minimizes interference with the tubular member.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If the operating device is made compact by arranging operating members and electrical switches in between base member and operating members, then the device size is reduced, but the ease of operation may be compromised

Engineering Contradiction:
Improvedevice sizeVSAvoiduser access
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The patent positions electrical switches between the base member and operating members along the thickness direction (first direction), rather than arranging them side-by-side in the planar direction. This vertical stacking approach reduces the planar footprint while maintaining operational accessibility, effectively resolving the contradiction between compact size and ease of operation.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The operating members are designed to pivot independently about vertical axes, allowing dynamic adjustment of their positions and angles. This pivoting capability enables users to access and operate the members comfortably while maintaining a compact overall device structure, as the members can be positioned optimally during use.

Inventive Principle:
Principle #15Dynamics

2Area of stationary object

If the first operating member and second operating member are arranged next to each other in the first direction, then the device width is reduced, but the operability of each member may be affected

Engineering Contradiction:
Improvedevice widthVSAvoidmember operability
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The patent stacks the first and second operating members along the first direction (thickness direction) with electrical switches positioned between them, rather than arranging them side-by-side in the second direction. This reduces the device width while maintaining adequate spacing and operability of each member through the vertical arrangement.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The operating device is segmented into distinct layers: base member, first electrical switch, first operating member, second electrical switch, and second operating member. This segmentation along the thickness direction allows each component to be independently optimized for its function while maintaining a compact overall width.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If the operating members are made asymmetric with respect to the center line, then the ease of recognition is improved, but the manufacturing complexity increases

Engineering Contradiction:
ImproverecognitionVSAvoidmanufacturing complexity
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The patent intentionally designs the first operating surface and second operating surface to be asymmetric with respect to their respective center lines. This asymmetry provides tactile and visual cues that help users easily recognize and differentiate between the operating members, improving ease of operation. The manufacturing complexity is managed by implementing this asymmetry through standard molding or machining processes.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentUS10780940B2Human-powered vehicle control device
Publication Date: 2020.09.22 SHIMANO INC
  • US10780940B2 patent drawing
  • US10780940B2 patent drawing
  • US10780940B2 patent drawing

AI summary

A human-powered vehicle operating device including a base member, a first operating member, a second operating member, a first electrical switch and a second electrical switch. The first operating member includes a first operating surface and configured to pivot about a first axis with respect to the base member. The second operating member includes a second operating surface and configured to pivot about a second axis with respect to the base member. The first electrical switch is provided between the base member and the first operating member. The second electrical switch is provided between the base member and the second operating member. The first operating member and the second operating member are arranged next to each other in a first direction and configured to pivot independent from each other.