US 11,999,096 B2
Protection film attaching apparatus and protection film attaching method using the apparatus
Inyong Song, Seongnam-si (KR); and Dong Guen Kwag, Suwon-si (KR)
Assigned to DMT SOLUTION CO., LTD, Gumi-si (KR)
Appl. No. 17/416,019
Filed by DMT SOLUTION CO., LTD, Gumi-si (KR)
PCT Filed Dec. 23, 2019, PCT No. PCT/KR2019/018347
§ 371(c)(1), (2) Date Jun. 18, 2021,
PCT Pub. No. WO2020/138897, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 10-2018-0168811 (KR), filed on Dec. 24, 2018.
Prior Publication US 2022/0063181 A1, Mar. 3, 2022
Int. Cl. B29C 63/00 (2006.01); B29C 63/02 (2006.01); B29C 63/48 (2006.01)
CPC B29C 63/48 (2013.01) [B29C 63/0004 (2013.01); B29C 63/02 (2013.01); B29C 2063/022 (2013.01); B29C 2063/488 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A protection film attaching apparatus for attaching a protection film onto a glass surface of an electronic device, comprising:
a housing having a through hole having a width and a length in a lengthwise direction of an upper shelf;
a jig installed on an upper surface of the housing where the electronic device is mounted;
a first fixing part installed on one side of the jig and fixing one side of the protection film;
a gripper installed on one side of the housing and configured for elastically supporting another side of the protection film; and
a film attaching part installed in the housing to move in a lengthwise direction of the jig so as to pressurize and attach the protection film onto the glass surface of the electronic device,
wherein the film attaching part includes:
a pair of rails installed in the lengthwise direction of the jig on a lower part of the upper shelf;
a pair of moving bodies movably coupled to each of the pair of rails;
a middle bar integrally fixed to the pair of moving bodies;
an elastic body installed between the middle bar and a lower end connecting bar;
a pair of standing bars which are erected by respectively penetrating through holes of the upper shelf;
a lower end connecting bar for connecting lower ends of the pair of standing bars;
an upper end connecting bar for connecting upper ends of the standing bars to be integrally coupled therewith; and
one or more rollers installed on one side of a lower part of the upper end connecting bar for pressurizing an upper surface of the protection film.