Importance

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Abstract

An adjustable fit ring includes a main ring and a plurality of adjusters. The main ring has a ring inner peripheral surface, a ring outer peripheral surface, a front surface, a rear surface, a through cavity formed as a space surrounded by the ring inner peripheral surface, and a slot formed on the ring inner peripheral surface. The plurality of adjusters are received in the slot of the ring inner peripheral surface. The adjuster has an adjuster inner peripheral surface, an adjuster outer peripheral surface, and a resilient element installed on the adjuster outer peripheral surface to push against an inner wall of the ring outer peripheral surface, the adjuster being connected to the main ring to move between a resting position and a pressed-in position.

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First Claim