# US 12,222,091 B2 · Illumination system, light, and holder > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,091 B2 - Document ID: US12222091B2 - Status: Granted - Kind: B2 - Application number: 18/460,850 - Filed: 2023-09-05 - Published: 2024-03-14 - Granted: 2025-02-11 - Earliest claimed: 2022-09-13 - Assignees: Makita Corporation - Applicants: Makita Corporation - Inventors: Isao Yasuda; Louie Siu Heng Chan - Web page: https://patentgrep.com/patent/US12222091B2 ## CPC - F21V 21/116: Fixing lighting devices to arms or standards (F21V21/002 takes precedence) - F21L 4/04: characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device - F21L 4/08: characterised by means for in situ recharging of the batteries or cells - F21V 21/088: Clips; Clamps - F21V 21/406: {for portable lighting devices} - F21Y 2103/20: of polygonal shape, e.g. square or rectangular - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21L: LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract An illumination system includes a light and a holder. The light includes: an illumination part from which light is emitted; a fixing part connected to the illumination part; and a battery mounting part to and from which a battery pack is attached and detached. The holder includes: a holder body; an attachment part connected to the holder body and to be attached to a subject; and an annular clamp unit connected to the holder body and disposed around the fixing part. ## Claims ### Claim 1 An illumination system comprising: a light including: an illumination part from which light is emitted; a fixing part connected to the illumination part; and a battery mounting part to and from which a battery pack is attached and detached; and a holder including: a holder body; an attachment part connected to the holder body and to be attached to a subject; and a clamp unit connected to the holder body and disposed around the fixing part, wherein the light includes a rotation unit that connects the illumination part and the battery mounting part in a relatively rotatable manner. ### Claim 2 (depends on 1) The illumination system according to claim 1, wherein the fixing part is connected to an end of the illumination part. ### Claim 3 (depends on 2) The illumination system according to claim 2, wherein a plurality of the fixing parts are provided, the light includes a handle unit, the fixing parts are connected to the illumination part, and at least one of the fixing parts is disposed between the illumination part and the handle unit. ### Claim 4 (depends on 2) The illumination system according to claim 2, wherein the clamp unit is annular and includes: a base part to be disposed at a part of a circumference of the fixing part; an arm turnably connected to a first end of the base part; a lock lever that is movably supported by a second end of the base part and is capable of locking the arm; and a spring that applies an elastic force to the lock lever, the lock lever is movable between a lock position at which the arm is locked and a release position at which the arm is unlocked, and the spring applies the elastic force to the lock lever in such a manner that the lock lever moves toward the lock position. ### Claim 5 (depends on 1) The illumination system according to claim 1, wherein the attachment part includes a first attachment part and a second attachment part, and the holder includes an extendable unit that connects the first attachment part and the second attachment part in a relatively movable manner. ### Claim 6 (depends on 1) The illumination system according to claim 1, wherein the illumination part includes a first illumination part and a second illumination part, the fixing part includes a first fixing part and a second fixing part, the light includes: a first light unit including the first illumination part and the first fixing part; a second light unit including the second illumination part, the second fixing part, and the battery mounting part; and a bent unit that connects the first light unit and the second light unit in a relatively turnable manner. ### Claim 7 (depends on 6) The illumination system according to claim 6, wherein the battery pack is attached to and detached from the battery mounting part by being moved in a direction parallel to a predetermined attachment/detachment axis with respect to the battery mounting part, and a turning axis of the bent unit and the attachment/detachment axis are orthogonal to each other. ### Claim 8 (depends on 1) The illumination system according to claim 1, wherein the battery pack is attached to and detached from the battery mounting part by being moved in a direction parallel to a predetermined attachment/detachment axis with respect to the battery mounting part, and a rotation axis of the rotation unit and the attachment/detachment axis are orthogonal to each other. ### Claim 9 (depends on 1) The illumination system according to claim 1, wherein the illumination part includes a first illumination part and a second illumination part, the fixing part includes a first fixing part and a second fixing part, the light includes: a first light unit including the first illumination part and the first fixing part; a second light unit including the second illumination part, the second fixing part, the battery mounting part, and a handle unit; and a bent unit that connects the first light unit and the second light unit in a relatively turnable manner, and a strap hook is provided to each of (i) a non-illumination part of the first light unit including the fixing part, (ii) the bent unit, and (iii) the handle unit. ### Claim 10 A light to be held by a holder, the light comprising: an illumination part from which light is emitted; a battery mounting part to and from which a battery pack is attached and detached; a fixing part connected to the illumination part and to be held by a clamp unit provided in a holder, the holder being for holding the light and having an attachment part to be attached to a subject; and a rotation unit that connects the illumination part and the battery mounting part coaxially with a rotation axis of the rotation unit in a relatively rotatable manner about the rotation axis, wherein the battery pack is attached to and detached from the battery mounting part by being moved in a direction parallel to a predetermined attachment/detachment axis with respect to the battery mounting part, and the rotation axis and the attachment/detachment axis are orthogonal to each other. ### Claim 11 (depends on 10) The light according to claim 10, further comprising: a handle unit, wherein a plurality of the fixing parts are provided, the fixing parts are connected to the illumination part, and at least one of the fixing parts is disposed between the illumination part and the handle unit. ### Claim 12 (depends on 10) The light according to claim 10, wherein the illumination part includes a first illumination part and a second illumination part, the fixing part includes a first fixing part and a second fixing part, the light includes: a first light unit including the first illumination part and the first fixing part; a second light unit including the second illumination part, the second fixing part, and the battery mounting part; and a bent unit that connects the first light unit and the second light unit in a relatively turnable manner. ### Claim 13 (depends on 12) The light according to claim 12, wherein a turning axis of the bent unit and the attachment/detachment axis are orthogonal to each other. ### Claim 14 (depends on 10) The light according to claim 10, wherein the illumination part includes a first illumination part and a second illumination part, the fixing part includes a first fixing part and a second fixing part, the light includes: a first light unit including the first illumination part and the first fixing part; a second light unit including the second illumination part, the second fixing part, the battery mounting part, and a handle unit; and a bent unit that connects the first light unit and the second light unit in a relatively turnable manner, and a strap hook is provided on each of (i) a non-illumination part of the first light unit including the fixing part, (ii) the bent unit, and (iii) the handle unit. ### Claim 15 A holder for holding a light, the holder comprising: a holder body; an attachment part connected to the holder body and to be attached to a subject; and a clamp unit that is connected to the holder body and holds at least a part of the light including a battery mounting part to and from which a battery pack is attached and detached, wherein the attachment part includes a first attachment part and a second attachment part, the holder includes an extendable unit that connects the first attachment part and the second attachment part in a relatively movable manner, the light includes an illumination part from which light is emitted and a fixing part connected to the illumination part, the clamp unit holds the fixing part, the clamp unit includes: a base part to be disposed at a part of a circumference of the fixing part; an arm turnably connected to a first end of the base part; a lock lever that is movably supported by a second end of the base part and is capable of locking the arm; and a spring that applies an elastic force to the lock lever, the lock lever is movable between a lock position at which the arm is locked and a release position at which the arm is unlocked, and the spring applies the elastic force to the lock lever in such a manner that the lock lever moves toward the lock position.