Resilient Vehicle Seat Suspension Device for Headrest Guide Rods
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Solution Overview
Problem
Existing hanging systems for vehicle compartments are economically inefficient due to complex constructions and user-unfriendly assembly and disassembly processes, particularly when attaching to metal guide rods of the headrest.
Innovation Solution
A suspension device with resiliently bendable legs and brackets designed to fit the distance between metal guide rods, featuring intuitive assembly and disassembly through pivoting handles and contact surfaces, made of solid plastic for easy attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hanging system with multiple parts (hook element, tab, pin, hinge) is used to attach to metal guide rods, then the attachment can be secure, but the construction becomes complicated and assembly/disassembly becomes difficult
Solution Approach 1:
The patent combines multiple separate components (hook element, tab, pin, hinge) into a single integrated suspension device made of resilient plastic. The bracket incorporates both the hooking function and the attachment mechanism in one piece, eliminating the need for separate parts and simplifying the overall construction while maintaining secure attachment to metal guide rods.
Solution Approach 2:
The resilient plastic bracket serves multiple functions simultaneously: it provides the hooking surface for hanging items, acts as the attachment mechanism to metal guide rods through its resilient properties, and incorporates the pivoting handle for easy assembly and disassembly. This multi-functionality reduces the need for separate specialized components.
2Reliability
If a hanging system with multiple parts and assembly steps is used, then secure attachment is achieved, but assembly and disassembly become user-unfriendly and time-consuming
Solution Approach 1:
The bracket is pre-designed with a resilient structure that automatically engages with the metal guide rods upon insertion. The pivoting handle is pre-positioned to enable one-handed operation, and the overall geometry is pre-optimized so that the device attaches securely in a single motion without requiring multiple assembly steps or adjustments.
Solution Approach 2:
The resilient plastic material allows the bracket to dynamically adapt to the metal guide rods during attachment. The pivoting handle provides dynamic motion that transforms the attachment action into a simple pivoting movement, making assembly and disassembly quick and intuitive while maintaining secure connection during use.
3Reliability
If traditional hanging systems with separate components are used, then attachment functionality is achieved, but manufacturing cost increases due to multiple parts
Solution Approach 1:
The patent merges multiple separately manufactured components into a single molded resilient plastic part. This consolidation reduces the number of manufacturing operations, eliminates the need for assembling multiple parts, and simplifies inventory management, thereby reducing overall manufacturing costs while maintaining attachment functionality.
Solution Approach 2:
The invention changes the material parameter from traditional rigid materials requiring mechanical assembly to resilient plastic that can be molded as a single piece. This parameter change enables more economical manufacturing through single-piece molding while maintaining the necessary attachment functionality and mechanical properties.
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 suspension device provides a simple, economical, and user-friendly method to hang items by securely anchoring to the headrest guide rods, allowing easy installation and removal without complicated assembly, enhancing usability and reducing economic inefficiencies.
Implementation Method 1
both legs (5, 5') are designed to be resiliently bendable
Data Source
Figure 1
Figure 2
AI summary
A suspension device (4) that can be attached to the metal guide rods (3) of the headrest (2) of the vehicle seat (1) and serves to suspend items for the needs of the occupants. The suspension device (4) has two legs (5, 5'). The embodiment of the invention lies in the fact that both legs (5, 5') are designed to be resiliently bendable and each of these legs (5, 5') has a bracket (6, 6') at its end. These brackets (6, 6') are arranged on the suspension device (4) at a distance from each other that corresponds to the distance between the metal guide rods (3) of the headrest (2). Each of the brackets (5, 5') has an actuating handle (7, 7'). Both actuating handles (7, 7') are designed for pivoting individual brackets (6, 6'). Each of the brackets (6, 6') has a contact surface (8, 8') for quickly hooking the suspension device (4) onto the metal guide rods (3) of the headrest (2).