Multi-chamber gripper device and gripping method using the same

Shape-Adaptive Gripper Using Individual Pressure Control for Multi-Jamming Chambers

This technology is a multi-chamber gripper device and gripping method that utilizes first to third chambers with individual pressure control and a jamming phenomenon to flexibly adapt to an object's shape and secure gripping force by forming a vacuum.

Conventional suction-based grippers are effective for picking up flat objects but have limitations in stably gripping objects with three-dimensional shapes or irregular surfaces.

This technology fills internal and external jamming chambers made of flexible material with jamming particles and independently controls the internal pressure of each chamber via a pressure regulator and flow paths, allowing the gripper to change its shape to match the target object for a secure, close-contact grip. It can be applied to logistics sorting, food packaging, and handling irregular parts, enabling a single gripper to stably handle a variety of shapes.

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Key Features:

• A gripper base with an open-bottom first space and a flexible barrier that seals the first space
• A flexible internal jamming chamber filled with jamming particles, forming a second space separated from the first space at the bottom
• An external jamming chamber that surrounds a portion of the internal jamming chamber to form a third space and is filled with jamming particles
• A pressure control unit configured to individually regulate the pressure of the first, second, and third spaces