(F3)Elastic Closed-loop Mechanism Made of a Certain Spring Beam

Aiming to manufacture cheap mechanisms having few parts, novel elastic closed-loop mechanisms made of a certain spring beam are designed. Based on large deformation analysis of a curved beam, an elastic closed-loop composed of many curved beam segments is designed so as to generate the desired output displacement for the input force by using optimization. For an example, an one-loop elastic pinset for medical use is designed and examined.
Fig.1   Fig.2   Fig.3
Shape design with optimization Prototyped pinset Output displacement

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