US 2024/0200768 A1Published application

Ring-type lighting device

AssigneeKowa Company, Ltd.

InventorsKentaro KANEKO, Takayuki FUJIOKA

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Abstract

Ring-type lighting device of the present invention comprises: a case member having an annular shape and comprising an inner wall portion and an outer wall portion, the inner wall portion defining a hollow portion at a center, the outer wall portion defining an opening portion that has an annular shape and surrounds the hollow portion; one or more LED members provided to face an opening of the opening portion; and a cover member that has an annular shape and is provided between the opening and the LED members to close the opening portion. Such a ring-type lighting device is easy to assemble and is reduced in size while having waterproof properties.

Claims6

Dependent claims

A ring-type lighting device comprising:

a case member having an annular shape and comprising an inner wall portion and an outer wall portion, the inner wall portion defining a hollow portion at a center, the outer wall portion defining an opening portion that has an annular shape and surrounds the hollow portion;
one or more LED members provided to face an opening of the opening portion;
and
a cover member that has an annular shape and is provided between the opening and the LED members to close the opening portion,
wherein the case member is formed with a mounting portion on which a circumferential edge portion of the cover member is mounted and held,
an elastic member having an annular shape is provided between the mounting portion and the cover member,
a pressing member is provided to press the circumferential edge portion of the cover member from the opening side, and
the pressing member is engaged with and fixed to the case member.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/287,210Filed 8 Mar 2022
Priority: JP 2021-07291822 Apr 2021
Published: 20 Jun 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

F21V 31/005
Gas-tight or water-tight arrangements: sealing arrangements therefor
F21V 15/01
Protecting lighting devices from damage: housings, e.g. material or assembling of housing parts
F21V 17/12
Characterised by specific fastening means or way of fastening: by screwing
F21V 17/16
Characterised by specific fastening means or way of fastening: by deformation of parts; Snap action mounting

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