Vehicle Load Securing Apparatus with Ratcheting Spool
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Solution Overview
Problem
Existing load securing devices for vehicles lack ease of mounting and convenient storage, and often fail to provide efficient and secure load retention mechanisms.
Innovation Solution
A vehicle load securing apparatus featuring a frame with a spool and ratcheting structure, where a flexible elongate member is wrapped around the spool and secured with a hook, allowing for easy mounting on a vehicle's load bed and secure load retention through a ratcheting mechanism that controls spool rotation, along with a mounting structure for adjustable and secure attachment to the vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing load securing devices are used, then load retention is provided, but ease of mounting and convenient storage are compromised
Solution Approach 1:
The load securing device is divided into separate modular components: a frame assembly with spool and ratcheting mechanism, an elongate member (strap), and a hook. This segmentation allows the frame to be mounted independently on the vehicle while the strap and hook can be stored separately or attached as needed, improving ease of mounting and storage while maintaining load retention security through the integrated ratcheting mechanism.
Solution Approach 2:
The spool is designed to be rotatable within the frame, allowing the elongate member to be dynamically deployed and retracted. The ratcheting mechanism provides dynamic control by allowing rotation in one direction (unwinding) while preventing rotation in the opposite direction (re winding), enabling easy operation for mounting and adjustment while maintaining secure load retention when engaged.
2Ease of operation
If existing load securing devices are used, then load retention is provided, but convenient storage when not in use is compromised
Solution Approach 1:
The elongate member is wound and stored within the frame structure, with the spool nested inside the frame's interior space. The hook can be positioned to rest against or attach to the frame when not in use. This nesting arrangement allows the entire device to be compactly stored within the vehicle's cargo area without requiring separate storage compartments, improving convenient storage while managing device complexity through integrated design.
3Reliability
If a ratcheting structure is added to control spool rotation, then load retention security is improved, but device complexity increases
Solution Approach 1:
The ratcheting mechanism is designed as a self-locking system that automatically engages to prevent rotation of the spool in the unwinding direction once the elongate member is tensioned. The pawl and ratchet teeth automatically interact to maintain load retention security without requiring additional actuators, sensors, or complex control systems, thereby improving reliability while minimizing increases in device complexity.
4Ease of operation
If the spool is made rotatable for easy deployment, then ease of operation is improved, but control over unwinding direction becomes challenging
Solution Approach 1:
The rotational control function is extracted from the spool itself and implemented through a separate ratcheting mechanism consisting of a pawl and ratchet teeth. The spool remains freely rotatable for easy deployment, while the ratcheting mechanism selectively engages to control rotation in the unwinding direction. This separation of functions improves ease of operation while managing device complexity by using a simple mechanical locking system rather than complex rotational controls.
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 apparatus enables easy installation and storage, provides secure load retention by resisting unwinding of the spool, and allows for adjustable positioning on the vehicle, enhancing load security and convenience.
Implementation Method 1
A ratcheting structure may be configured to control rotation of the spool, and the ratcheting structure may have an engaged position in which the ratcheting structure resists rotation of the spool in an unwind direction of the spool
Implementation Method 2
A spool may be rotatably mounted on the frame and including a rotating shaft. A length of an elongate member may be at least partially wrapped about the spool
Implementation Method 3
The rotating shaft may have a first end portion extending through one of the side walls of the frame, with a section of the first end portion having a substantially hexagonal cross-sectional shape for engagement by a tool
Implementation Method 4
The apparatus may comprise a frame for mounting on the load bed of the vehicle
Data Source
AI summary
A vehicle load securing apparatus comprising a frame including opposite side walls and an end wall extending between the side walls, with the frame having open sides positioned in opposition to each other. A spool is rotatably mounted on the frame and includes a rotating shaft, and a length of an elongate member at least partially wrapped about the spool with a hook mounted thereon. A ratcheting structure may control rotation of the spool with engaged position in which the ratcheting structure resists rotation of the spool in an unwind direction and a disengaged position in which the ratcheting structure permits rotation of the spool in the unwind direction. The shaft may have a first end portion extending through one of the side walls of the frame, and a section of the first end portion having a substantially hexagonal cross-sectional shape for engagement by a tool.