Rollback Braking Mechanism for Non-Motorized Treadmill Belt
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Solution Overview
Problem
Non-motorized treadmills pose a safety hazard due to the belt's ability to move freely in both directions, potentially causing users to fall when mounting the treadmill.
Innovation Solution
A rollback control mechanism is introduced, which can include a cam, skid pads, or a non-rotatable belt guide, coupled to the treadmill frame and in contact with the belt upper portion, providing resistance to the belt's movement in the forward direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the belt is allowed to move freely in both directions, then the treadmill is easier to operate and maintain, but user safety is compromised due to potential rapid forward movement when mounting
Solution Approach 1:
The rollback control mechanism applies preliminary resistance to prevent harmful forward movement of the belt when the user mounts the treadmill. The friction-based control creates an opposing force that counteracts the belt's tendency to move rapidly forward, eliminating the safety hazard before it can occur.
Solution Approach 2:
A rollback control mechanism is introduced as an intermediary element between the belt and the user. This mechanism includes a friction wheel or pad that contacts the belt and provides controlled resistance, mediating the interaction between the user's weight and the belt movement to prevent harmful effects.
2Object-affected harmful factors
If a rollback control mechanism is added to prevent belt movement, then user safety is improved, but device complexity increases
Solution Approach 1:
The rollback control mechanism uses simple, inexpensive friction-based components such as a friction wheel or pad that can be easily manufactured and replaced if needed. These components provide effective safety control without requiring complex mechanical systems, electronics, or expensive materials.
Solution Approach 2:
The friction-based rollback control mechanism is self-regulating and automatically adjusts to the user's weight and belt movement. The friction force naturally increases with the user's weight, providing appropriate resistance without requiring external control systems, sensors, or power sources.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The rollback control mechanism effectively prevents the belt from moving forward when a user steps onto the treadmill, enhancing user safety by reducing the risk of falls and allowing for controlled exercise.
Implementation Method 1
The rollback control mechanism can be configured to be in contact with the belt upper portion and cause resistance of movement of the belt upper portion in at least a forward direction
Data Source
AI summary
This disclosure describes devices for providing rollback braking to a non-motorized treadmill. The device can include a rollback control mechanism configured to be coupled to a frame of a non-motorized treadmill. The rollback control mechanism can be configured to be in contact with a belt upper portion of the non-motorized treadmill thereby causing resistance of movement of the belt upper portion in at least a forward direction. The device may be used with a non-motorized treadmill, and the device and non-motorized treadmill may be implemented in a workout system.