Retractable Headrest Mount for Multi-Passenger Device Sharing
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Solution Overview
Problem
Existing auxiliary apparatuses for vehicles do not conveniently allow two backseat passengers to share a mounted electronic device, as they are typically fixed to the headrest posts behind a single front seat, limiting viewing accessibility.
Innovation Solution
A positioning apparatus with a retractable rod, clamping units, and a connection joint unit that allows lateral adjustment of an electronic device from behind one front seat to between two front seats, enabling convenient sharing by multiple passengers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the auxiliary apparatus is fixed to the headrest posts behind a single front seat, then the device is simple and stable, but it cannot be conveniently shared by two or more backseat passengers
Solution Approach 1:
The positioning apparatus is divided into multiple independent clamping units (first clamping unit and second clamping unit) that can be separately adjusted. Each clamping unit can independently clamp onto different headrest posts, allowing the device to span across multiple front seats and be shared by multiple backseat passengers.
Solution Approach 2:
The apparatus incorporates an adjustable rod with multiple telescopic sections that can dynamically change its length and position. This dynamic structure allows the device to adapt to different seating configurations, enabling sharing between passengers while maintaining structural integrity.
2Ease of operation
If the electronic device is mounted directly behind a front seat, then the mounting position is fixed and simple, but it is not accessible to passengers seated between two front seats
Solution Approach 1:
The positioning apparatus extends the mounting position from a single vertical dimension (behind one front seat) to a horizontal dimension spanning between front seats. The adjustable rod and multiple clamping units enable the device to reach across the space between front seats, making it accessible to backseat passengers seated in between.
3Length of moving object
If the retractable rod is made extendible to reach between two front seats, then the sharing capability is improved, but the stability and locking mechanism become more complex
Solution Approach 1:
A locking assembly acts as an intermediary mechanism between the extendible rod and the clamping units. This locking assembly includes a locking ball that engages with positioning grooves on the rod, providing reliable position stabilization without requiring complex mechanical structures. The locking assembly mediates between the need for extendibility and the need for stability.
Data Source
AI summary
A positioning apparatus for seat headrest posts in vehicle is provided, including a retractable rod, two clamping units and a connection joint unit; wherein the retractable rod having an extendible rod able to extend and retract; a locking assembly being disposed on the outer surface of the retractable rod; the locking assembly being able to fasten the position after lateral adjustment of the retractable rod; the two clamping units being disposed on the retractable rod for clamping onto the posts of seat headrest; the connection joint unit being disposed to the end of the extendible rod for engaging an object to be mounted here. As such, when an electronic device, such as, tablet or thin screen display is mounted to the connection joint unit, the position of the electronic device can be adjusted by adjusting the length of the extendible rod for convenient viewing.