DESIGN OF BUCKLE MECHANISM FOR SAFETY NUCKLE
The buckle can be divided into six parts. They are the tongue member, the shape of tongue member, the button member, the lock member, the ejection member, and the lower housing member. When the tongues are sufficiently plugged into the buckle main body over the lock member, the tongue usually forces the ejection member to move away from the side of the lock member allowing the lock member to lock the tongues. A flexibility element normally urges the lock member against the button member limiting movement of the button member but is yieldable to allow the lock member to be moved apart from the button member. The purpose of this study is to design a new buckle and to design around the existing patents by following four steps: (1) planning and clarifying the task, (2) conceptual design, (3) embodiment design, and (4) detailed design. Some useful tools from Quality Function Development(QFD) technique and Theory of Inventive Problem Solving(TRIZ) method are used during the design process.
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