Multi-Joint Load Support Arm for Smooth Precise Positioning
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Solution Overview
Problem
Existing load support systems, such as support arms, are difficult to use, lack aesthetic appeal, and provide limited load positioning and movement, often being clunky and bulky.
Innovation Solution
A load support unit comprising a lower arm, an upper arm, a mounting swivel, a swivel joint, a knuckle joint, and a rotational joint, which allows for wide-ranging load positioning and smooth movement while being aesthetically superior and easy to use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional support arms are used to support and extend loads, then load support functionality is provided, but the system becomes bulky and movement becomes clunky and jerky
Solution Approach 1:
The support arm is divided into multiple modular segments (lower arm, upper arm, extension arms) connected by specialized joints. Each segment can be independently positioned and locked, allowing smooth incremental movement rather than clunky continuous adjustment. The segmentation enables precise positioning while maintaining a compact overall structure.
Solution Approach 2:
The system employs dynamic locking mechanisms that allow the arm to transition smoothly between locked and unlocked states. The friction-based locking system provides continuous adjustability with smooth movement, while the trigger-based quick-release mechanism enables rapid repositioning without jerky movements.
2Adaptability or versatility
If traditional levered support systems are used, then load support is provided, but positioning capability is limited and the system becomes difficult to use
Solution Approach 1:
The support system provides positioning freedom in multiple dimensions through spherical joints and rotational capabilities. The arm can be positioned not only in elevation and extension but also rotated azimuthally and tilted, creating a multi-dimensional positioning space that greatly enhances adaptability while maintaining ease of operation through intuitive mechanical adjustment.
Solution Approach 2:
The system allows continuous variation of multiple parameters including arm extension length, elevation angle, azimuthal rotation, and tilt angle. Each parameter can be independently adjusted within a wide range, providing versatile positioning capability. The friction-based locking allows smooth parameter changes without discrete steps.
3Shape
If traditional support arms are used, then load support functionality is provided, but aesthetic appeal is compromised
Solution Approach 1:
The support arm employs sleek, aerodynamic tubing with smooth contours and polished surfaces that provide aesthetic appeal. The thin-walled but structurally sound construction allows for elegant curves and streamlined appearance while maintaining the structural integrity needed for versatile load positioning.
4Ease of operation
If friction-based locking mechanisms are used, then smooth continuous positioning is achieved, but the system may become less reliable
Solution Approach 1:
The friction-based locking system incorporates tactile feedback through adjustable friction springs that provide resistance during positioning. The user can feel when the arm approaches the desired position, and the system provides audible or tactile confirmation when locked. The trigger mechanism provides clear feedback when engagement or disengagement occurs, ensuring reliable operation.
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 load support unit enables precise adjustment of load orientation, providing smooth and controlled movement, while maintaining a stable and aesthetically pleasing configuration.
Implementation Method 1
a biasing spring configured to bias the engagement arm away from interaction with the at least one actuator pawl
Implementation Method 2
a spring element configured to bias the at least one actuator pawl towards the interior surface of the body
Implementation Method 3
provide friction during relative rotation with the outer shell
Implementation Method 4
The rotation of the plurality of friction plates relative to the plurality of clutch plates causes resistance to the rotation of the holder post
Data Source
AI summary
The invention relates to a load support unit for holding and adjusting the orientation of the load. The load support unit includes a lower arm, a upper arm, a mounting swivel, a swivel joint, a knuckle joint and a rotational joint. The mounting swivel allows the load support unit to rotate relative to its surroundings, the swivel joint allows the upper arm to rotate relative to the lower arm, the knuckle joint allows the upper arm to pivot in a rotational direction relative to the lower arm, and the rotational joint allows the load to rotate about the upper arm.