US 11,865,904 B2
Automatic light blocking device for vehicle
Young Sung Geum, Jeonju-si (KR); and Tae Ho Keum, Jeonju-si (KR)
Assigned to Young Sung Geum, Jeonju-si (KR)
Appl. No. 17/297,375
Filed by Young Sung Geum, Jeonju-si (KR)
PCT Filed Nov. 21, 2019, PCT No. PCT/KR2019/016056
§ 371(c)(1), (2) Date May 26, 2021,
PCT Pub. No. WO2020/111661, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 10-2018-0146978 (KR), filed on Nov. 26, 2018.
Prior Publication US 2022/0024288 A1, Jan. 27, 2022
Int. Cl. B60J 7/057 (2006.01); B60J 7/00 (2006.01); B60Q 3/53 (2017.01); B60R 11/00 (2006.01)
CPC B60J 7/0573 (2013.01) [B60J 7/0038 (2013.01); B60Q 3/53 (2017.02); B60R 11/00 (2013.01); B60J 7/003 (2013.01); B60R 2011/0028 (2013.01); B60R 2011/0057 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An automatic light blocking device for vehicle, the automatic light blocking device comprising:
a light blocking body provided to a ceiling or roof of a vehicle and having at least one sliding groove that is open in a direction in which light is to be blocked;
a light blocking slider configured to slidably insert into and couple to the at least one sliding groove; and
a driving unit configured to slide the light blocking slider in the light blocking body with power applied from the vehicle or power of a battery provided to the light blocking body,
wherein the light blocking slider comprises:
a driving groove portion formed in parallel to a sliding direction of the light blocking slider in correspondence to a sliding amount of the light blocking slider;
a driving rack portion provided to one side of the driving groove portion: and
a rack flow portion configured to communicate with the at least one sliding groove, and
wherein the driving unit comprises:
a driving portion configured to generate a rotational force with the power applied from the vehicle or the power of the battery provided to the light blocking body;
a driving shaft configured to rotate with the rotational force generated by the driving portion; and
a driving gear configured to couple to the driving shaft and to engage with the driving rack portion in a state of being inserted into the driving groove portion,
wherein the driving rack portion comprises:
a sliding rack portion configured to slidably couple to the rack flow portion: and
a rack coupling unit configured to slide the sliding rack portion based on the light blocking slider for detachably coupling of the sliding rack portion and the driving gear, and
wherein the rack coupling unit comprises:
a coupling rack portion configured to protrude from the sliding rack portion in the rack flow portion;
a coupling rack guide portion configured to support the coupling rack portion to be slidable in the rack flow portion;
a coupling pinion portion configured to gear-couple to the coupling rack portion in the rack flow portion; and
a coupling pinion driving portion configured to rotate the coupling pinion portion in a state of being supported by the rack flow portion for sliding of the sliding rack portion.
 
12. An automatic light blocking device for vehicle, the automatic light blocking device comprising:
a light blocking body provided to a ceiling or roof of a vehicle and having at least one sliding groove that is open in a direction in which light is to be blocked:
a light blocking slider configured to slidablv insert into and couple to the at least one sliding groove; and
a driving unit configured to slide the light blocking slider in the light blocking body with power applied from the vehicle or power of a battery provided to the light blocking body,
wherein the light blocking slider comprises:
a driving groove portion formed in parallel to a sliding direction of the light blocking slider in correspondence to a sliding amount of the light blocking slider: and
a driving rack portion provided to one side of the driving groove portion, and
wherein the driving unit comprises:
a driving portion configured to generate a rotational force with the power applied from the vehicle or the power of the battery provided to the light blocking body;
a driving shaft configured to rotate with the rotational force generated by the driving portion; and
a driving gear configured to couple to the driving shaft and to engage with the driving rack portion in a state of being inserted into the driving groove portion,
wherein the automatic light blocking device further comprises a groove opening and closing unit configured to slidably couple to a side of the light blocking body and to open and close the at least one sliding groove, and
wherein the groove opening and closing unit comprises:
an opening and closing door configured to slidably couple to the side of the light blocking body to correspond to the at least one sliding groove; and
a door driving portion configured to slide the opening and closing door with the power applied from the vehicle or the power of the battery provided to the light blocking body.