Patent ID: 11867983
Assignee: MITSUI CHEMICALS, INC.
Field: Optics (Instruments)
Classification: CPC G  H  Y | IPC G  H

Claim 10:
11. An eyewear comprising:
a power supply unit configured to detachably couple to the eyewear, the power supply unit comprising:
a first housing portion defining a first interior volume;
a second housing portion defining a second interior volume that is different than the first interior volume; and
a narrow portion positioned between the first housing portion and the second housing portion, wherein the narrow portion is narrower than the first housing portion and the second housing portion,
wherein at least one of the first housing portion, the second housing portion, or the narrow portion is exposed when the power supply unit is coupled to the eyewear; and

a temple comprising, an accommodating portion configured to accommodate the power supply unit,
wherein the accommodating portion is positioned at a distal end portion of the temple, is open to an inner surface and a back surface of the temple, and has a protruding portion that is fitted to the power supply unit,
wherein the protruding portion is configured to elastically deform, and
wherein when the power supply unit is inserted in the accommodating portion, the protruding portion couples to the narrow portion.