Carrycot with coupler for attaching to a carriage, stand, or other support structure
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Solution Overview
Problem
Conventional child carriers, such as carrycots, lack efficient mechanisms for secure and versatile attachment to various support frames, limiting their usability and stability.
Innovation Solution
The child carrier is designed with sets of attachment features that allow it to be removably coupled to bayonets on support frames, such as carriages or stands, using a combination of couplers and plungers to ensure secure and adjustable attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional attachment features are used, then the carrycot can be attached to a stroller, but the attachment mechanism lacks versatility for different support frames
Solution Approach 1:
The bayonet attachment mechanism is designed with a universal receptacle that can accommodate different bayonet configurations on various support frames. The receptacle includes a body portion and a plunger that work together to provide secure attachment across multiple support frame types, making the carrycot adaptable to different strollers and support structures without requiring multiple specialized attachment mechanisms
Solution Approach 2:
The attachment mechanism incorporates a movable plunger that can transition between retracted and extended positions. The plunger is biased by a spring to automatically engage with the bayonet when inserted, and can be manually actuated to disengage. This dynamic behavior allows the mechanism to adapt during the attachment and detachment processes while maintaining simplicity in its basic structure
2Reliability
If a secure attachment mechanism is implemented, then the carrycot stability improves, but the ease of operation for attachment and detachment decreases
Solution Approach 1:
The plunger is pre-positioned in a retracted state by a biasing spring, ready to automatically engage with the bayonet upon insertion. This preliminary positioning ensures that secure attachment occurs automatically as part of the natural insertion motion, without requiring additional steps or force from the user, thus maintaining ease of operation while ensuring reliable attachment
Solution Approach 2:
The attachment mechanism uses the user's own insertion motion to trigger the attachment process. When the bayonet is inserted into the receptacle, the plunger is automatically pushed and then released to engage with the bayonet features. The mechanism serves itself by converting the user's attachment action into the securing action, eliminating the need for separate locking steps while maintaining security
Data Source
AI summary
In one example, a carrycot couples to a support frame to support the carrycot above a support surface. The carrycot has a carrycot frame having a first side and a second side that are spaced from one another so as to define a space therebetween that supports a child therein. The carrycot has a set of attachment features that is disposed at the first side and removably attaches to a bayonet of the support frame. The set of attachment features includes (1) a bayonet receptacle that receives a first portion of the bayonet and (2) a plunger that is spaced below the bayonet receptacle with respect to a vertical direction and is configured to engage an opening in a second portion of the bayonet.