Headrest Cushion Magnetic Attachment for Adjustable Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current headrest cushion attachment methods using elastic or Velcro straps are unreliable due to loss of elasticity over time, restrict adjustability, and lack aesthetic appeal.
Innovation Solution
A head support assembly featuring magnetizable plate members on the headrest and magnets in the cushion, allowing magnetic attachment and adjustable positioning without physical or mechanical means, with a deformable cushion design and carrier member to securely retain the magnets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If elastic straps are used to attach the cushion to the headrest, then the cushion can be initially secured, but the elasticity is lost after prolonged stretching and relaxing cycles, causing the cushion to become loosely attached
Solution Approach 1:
The patent replaces the elastic mechanical strap system with a magnetic field-based attachment system. Magnets embedded in the headrest and corresponding magnetic elements in the cushion create a non-contact holding force that eliminates the wear and elasticity loss problems of traditional elastic straps, thereby improving both attachment reliability and service life.
Solution Approach 2:
The invention changes the fundamental attachment parameter from elastic mechanical force to magnetic field force. This parameter change allows the cushion to be securely held without the degradation issues inherent in elastic materials, maintaining consistent attachment strength over time.
2Reliability
If elastic or Velcro straps are used to attach the cushion, then the cushion can be secured to the headrest, but the straps restrict the adjustability of the cushion to different positions
Solution Approach 1:
By replacing the mechanical strap system with a magnetic attachment system, the invention enables continuous adjustability along the magnetic field path. The cushion can be positioned at multiple locations and securely held by the magnetic force without the need for straps, simultaneously improving attachment security and adjustability.
Solution Approach 2:
The magnetic attachment system provides dynamic adjustability, allowing the cushion to be easily moved to different positions and securely held at each position. This dynamic capability exceeds the fixed or limited adjustment options provided by traditional strap systems.
3Reliability
If elastic or Velcro straps are used for cushion attachment, then the cushion can be held in place, but the straps lose elasticity over time and do not look good aesthetically
Solution Approach 1:
The magnetic attachment system replaces visible mechanical straps with hidden magnetic fields and embedded magnets. This substitution maintains reliable attachment functionality while eliminating the aesthetic drawbacks of visible straps, as the magnetic components can be concealed within the headrest and cushion structures.
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 magnetic attachment provides secure, adjustable, and aesthetically pleasing support for the headrest cushion, maintaining stability and adjustability over time without the limitations of elastic or Velcro straps.
Implementation Method 1
the one or more magnetizable plate members and the plurality of magnets are configured to magnetically attach the cushion to the headrest for supporting the cushion at the first or second position
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A head support assembly and a method of supporting a cushion on a headrest are disclosed. The head support assembly comprises a headrest extending upwardly from a seatback, the headrest comprising one or more magnetizable plate members; a cushion adjustable between a first position and a second position relative to the headrest, the cushion comprising a plurality of magnets, wherein the one or more magnetizable plate members and the plurality of magnets are configured to magnetically attach the cushion to the headrest for supporting the cushion at the first or second position.