Truck Rack Lifter Assembly With Quick Release for Easy Removal
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Solution Overview
Problem
Existing truck rack systems are heavy and cumbersome, making them difficult to remove and install from truck beds.
Innovation Solution
A truck rack lifter assembly with a lever assembly and quick release system that facilitates easy lifting, securing, and releasing of truck racks using wheels, telescoping legs, and a quick lift mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional truck rack systems are used, then the rack structure is stable and strong, but the rack becomes heavy and cumbersome, making it difficult to remove and install
Solution Approach 1:
The truck rack system is divided into separate components: the rack structure itself and the lifter assembly. The lifter assembly includes segmented elements such as telescoping legs, wheels, and lever mechanisms that can independently manipulate the rack. This segmentation allows the heavy rack to be handled by a separate mechanical system rather than requiring manual lifting, resolving the contradiction between rack weight and ease of installation/removal.
Solution Approach 2:
The lifter assembly serves as an intermediary mechanical system between the user and the heavy truck rack. It includes components like telescoping legs that extend to reach the rack, wheels that roll under the rack for support, and lever arms that provide mechanical advantage for lifting. This intermediary device enables easy installation and removal of heavy racks without requiring direct manual handling of the entire rack structure.
2Reliability
If a secure attachment system is used to firmly secure the rack to the truck bed, then the rack stability is improved, but the time and effort required to attach and detach the rack increases
Solution Approach 1:
The attachment system incorporates dynamic elements including telescoping legs that can extend and retract, and a quick-release lever mechanism that transitions between locked and unlocked states. The telescoping legs dynamically adjust to reach the rack and provide stable support, while the lever mechanism dynamically changes the attachment state from secured to released. This dynamic design allows secure attachment when needed while enabling rapid detachment when required, resolving the contradiction between rack security and attachment time.
Solution Approach 2:
The lifter assembly performs preliminary actions by positioning itself beneath the rack using telescoping legs and wheels before the actual attachment occurs. The legs extend to reach the rack, the wheels roll into position for support, and the lever mechanism is pre-positioned to engage with the rack's attachment points. These preliminary positioning actions enable subsequent quick and secure attachment without requiring time-consuming alignment or manual positioning during the attachment process itself.
3Device complexity
If a manual lifting system is used, then the device complexity is low, but the physical effort required to lift and secure the rack becomes excessive
Solution Approach 1:
The lifter assembly employs mechanical advantage principles where the lever arms and telescoping leg structure create counterbalancing forces against the heavy rack. The lever mechanism acts as a force multiplier, allowing a small input force applied by the user to generate sufficient lifting force to overcome the rack's weight. The telescoping legs distribute the load across multiple contact points, reducing the force required at any single point. This mechanical advantage system resolves the contradiction between device simplicity and required physical effort by using basic mechanical principles rather than complex systems.
Solution Approach 2:
The lifting system transitions the lifting action from a purely vertical force application to a multi-dimensional mechanical process. The telescoping legs extend horizontally to reach the rack, the wheels roll horizontally into position, and the lever arms rotate through an arc to engage and lift the rack. By distributing the lifting action across multiple dimensions (horizontal extension, rolling motion, rotational leverage), the system reduces the concentrated physical effort required in any single dimension while maintaining overall simplicity.
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
Enables efficient and effortless installation and removal of truck racks by minimizing the effort required to lift and secure them to and from truck beds.
Implementation Method 1
a first lever arm rotatably coupled with the angled support member and the horizontal support member at the first attachment point, the first lever arm is coupled with the tapered end of the lifter arm
Implementation Method 2
a lifter arm having tapered end, the lifter arm coupled with the slider body
Implementation Method 3
one or more wheels coupled with the assembly frame
Data Source
AI summary
Various systems and apparatus are disclosed for lifting, securing, and releasing a truck rack from a truck, car, SUV or automobile. In some embodiments, a lifter assembly is disclosed. In some embodiments, a lever assembly is disclosed. In some embodiments, a quick release system is disclosed. In some embodiments, a quick release pin is disclosed.