We assist in the creation of objects (used with hands and fingers) in human and life engineering.
We will introduce evaluation criteria that can be utilized in the design and development of user-friendly device controls and components, easy-to-open containers, and child lock mechanisms.
【Classification of Items Used with Fingers】 There are many items in the world that are used with fingers, and the required "ease of use" varies accordingly. Therefore, we first classified "items used with fingers." - Pressing with fingers, pushing up with fingers, pulling up with fingers, lifting with fingers, pinching with fingers (pulling, pushing, etc.), pressing and spreading open with fingers, grasping with hands (pulling, twisting, etc.), pressing with the palm of the hand. For measurement items related to each action, related products, and the purpose of data usage, please refer to the attached materials. 【Measurement Items That Can Be Evaluated by Our Company】 Below are representative actions and their measurement items that can be evaluated by our company. ■ Pressing with fingers (1) Operation interfaces of various devices (keyboards, mobile phones, operation parts of various devices) - Subjective evaluation of ease of pressing, height and angle that can be used without strain, error operation rate. (2) Child lock mechanism - Force exerted, success and failure rates of unlocking. ■ Pushing up and pulling up with fingers (containers) - Force required to open existing products, force exerted by a person, tolerance when opening daily. ■ Lifting with fingers - Force required to open existing products, force exerted by a person, tolerance when opening daily. ■ Pinching with fingers and pulling (child lock mechanism) - Force exerted (unlocking force). For further details, please refer to the basic information.
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basic information
■Pinch and press with fingers (container, child lock mechanism) ・Exerted force (lock release force) ・Subjective evaluation (ease of opening) ■Pinch and pull up/rotate with fingers (container, child lock mechanism) ・Exerted force (lock release force) ・Subjective evaluation (ease of opening) ・Required force to open existing products, human exerted force, tolerance when opening daily ■Pinch and twist with fingers (child lock mechanism) ・Exerted force (lock release force) ■Pinch and tear with fingers / push apart and open with fingers (container) ・Required force to open existing products, human exerted force, tolerance when opening daily ■Grip and push/pull/twist with hands (child lock mechanism) ・Exerted force (lock release force) ■Grip and take out/set up/lift/lower with hands (devices like copiers where a person sets something, display shelves, etc.) ・Minimum and maximum height ■Grip and rotate with hands (various containers) ・Subjective evaluation (ease of opening, ease of holding, ease of pouring) ・Required force to open existing products, human exerted force, tolerance when opening daily ・Muscle strain, contact area between hand and container, etc. ■Press with palm of hand (child lock mechanism) ・Exerted force (lock release force) If you are interested, please feel free to contact us.
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HAL Design Research Institute Co., Ltd. is a company that conducts analysis, design, engineering, and consulting based on various measurements and measurement data. Our main product is the "Markerless 3D Motion Analysis System." We also offer a variety of other measurement services, so please feel free to contact us if you have any requests.