Paddle With Adjustable Hinge Threshold Force
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Solution Overview
Problem
Existing corporal discipline devices face challenges in applying punishment safely and consistently due to the difficulty in controlling the force and ensuring safe transitions between locked and folded states.
Innovation Solution
A paddle design featuring a hinge device with a settable feature that adjusts the pivoting force threshold, allowing the paddle portion to switch between locked and folded states, ensuring safe and controlled force application during corporal discipline, incorporating a composite elongate flat member and an inset felt strike target for guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fixed rigid connection is used between handle and paddle portion, then structural simplicity is improved, but safety and consistency in force application deteriorates
Solution Approach 1:
The hinge device transforms the rigid fixed connection into a dynamic adjustable connection. The paddle portion can pivot relative to the handle, with the pivoting motion controlled by a spring mechanism that maintains consistent force throughout the striking arc. This dynamic system ensures safety and consistency while adding controlled complexity to the structure.
2Reliability
If a hinge device with adjustable threshold force is implemented, then safety and consistency in force application is improved, but device complexity increases
Solution Approach 1:
The hinge device incorporates adjustable parameters through a spring mechanism with variable stiffness or pre-load. By changing the spring parameter (stiffness or initial compression), the threshold force for pivoting can be adjusted to match different disciplinary needs. This parameter adjustment capability provides safety and consistency while keeping the mechanical structure relatively simple.
3Reliability
If the paddle portion is locked in parallel position, then force application control is improved, but ease of operation deteriorates
Solution Approach 1:
The hinge device with spring mechanism provides self-service functionality. The spring automatically maintains the paddle portion in the locked parallel position during normal use, and automatically allows pivoting when the threshold force is exceeded. The system self-regulates without requiring user intervention to lock or unlock, combining force control with ease of operation.
Data Source
AI summary
A paddle is for corporal discipline. The paddle includes a handle, and a paddle portion having a base, and an elongate flat member extending from the base. The elongate flat member is to be used for striking a subject to be disciplined in the corporal discipline. The paddle also includes a hinge device comprising a first arm coupled to the handle, a second arm coupled to the base, a pivoting hinge coupled between the first arm and the second arm and configured to switch the paddle portion between a locked state where the paddle portion and the handle are substantially parallel and a folded state where the paddle portion and the handle freely move, and a settable feature. The settable feature selectively changes a threshold pivoting force of the pivoting hinge for causing the paddle portion to switch from the locked state to the folded state.