Pivoting Vehicle Seat Backrest With Detachable Auxiliary Seating
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Solution Overview
Problem
Current seating solutions in stationary vehicles lack flexibility and safety features, particularly in allowing auxiliary seating configurations that are not accessible or safe while the vehicle is in motion, limiting user convenience and safety.
Innovation Solution
A seating assembly with a pivotable backrest and detachable auxiliary seat base that can transition between stowed and deployed positions, using a connection interface with hooks and bars, allowing the auxiliary seat to be securely attached or detached from the primary seat, ensuring safety and convenience only when the vehicle is stationary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an auxiliary seat base is added to provide flexible seating arrangements, then seating versatility is improved, but device complexity increases
Solution Approach 1:
The seating system is divided into independent modular components: a primary seat base, a detachable auxiliary seat base, and a common backrest. The auxiliary seat base can be selectively attached or detached from the primary seat base, allowing flexible seating configurations without permanently complicating the overall structure. This segmentation enables versatility while maintaining manageable complexity through modular design.
Solution Approach 2:
The primary seat base serves multiple functions: it acts as a standalone seat and simultaneously serves as a mounting structure for the auxiliary seat base. The connection interface is designed to be universal, allowing the auxiliary seat base to be attached to the primary seat base which itself is attached to the vehicle floor, creating adaptable seating arrangements without requiring separate complex mounting systems.
2Ease of operation
If a detachable auxiliary seat base is implemented, then ease of operation is improved, but reliability decreases
Solution Approach 1:
The connection interface between the auxiliary seat base and primary seat base is pre-configured with alignment features and guiding structures. The auxiliary seat base is designed to automatically align with the primary seat base during attachment, and the connection mechanism includes pre-positioned engagement elements that guide the coupling process. This preliminary arrangement of connection elements ensures reliable attachment while maintaining ease of operation.
Solution Approach 2:
A connection interface acts as an intermediary mechanism between the auxiliary seat base and primary seat base. This interface includes engaging members and receiving members that mediate the attachment process, ensuring proper alignment and secure connection. The intermediary connection interface provides reliable mechanical engagement while allowing simple user operation through intuitive attachment and detachment movements.
Data Source
AI summary
A seating assembly for a vehicle includes a backrest extending between a first surface and a second surface. The second surface opposes the first surface. A first seat base operably couples with the backrest to form a first seat of the seating assembly. The backrest is pivotable between a first use position and a second use position. A second seat base is operably coupled via a connection interface with the backrest. The second seat base and the backrest form a second seat of the seating assembly in the second use position. The second seat faces away from the first seat in the second use position. A cross-sectional plane intersecting each of the first surface and the second surface defines a cross-sectional area of the backrest that remains constant between the first use position and the second use position of the backrest.