US 12,303,931 B2
Fastener painting system and method of painting fastener
Tomohiro Miyauchi, Tokyo (JP); and Yohei Matsumoto, Tokyo (JP)
Assigned to SUBARU CORPORATION, Tokyo (JP)
Filed by SUBARU CORPORATION, Tokyo (JP)
Filed on Aug. 11, 2022, as Appl. No. 17/819,024.
Claims priority of application No. 2021-148649 (JP), filed on Sep. 13, 2021.
Prior Publication US 2023/0084296 A1, Mar. 16, 2023
Int. Cl. B05C 5/02 (2006.01); B05C 11/11 (2006.01); B05D 1/26 (2006.01)
CPC B05C 5/0208 (2013.01) [B05C 5/0225 (2013.01); B05C 11/11 (2013.01); B05D 1/26 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A fastener painting system for painting a head of a fastener, the fastener painting system comprising:
a cup for covering the head of the fastener by contacting an edge of the cup with a surface of an object, the cup having a cavity for being filled up with paint;
a supply system configured to store the paint and supply the paint into the cavity of the cup, the supply system having a syringe;
a liquid discharging system configured to discharge surplus paint in the cavity out of the cup, the liquid discharging system having a vacuum pump or an ejector; and
a moving mechanism configured to change a position of the cup relative to the object, the moving mechanism having an articulated robot or at least one drive shaft;
wherein the cup has:
a supply port for supplying the paint into the cavity;
a vent for discharging air in the cavity out; and
a liquid discharging port for discharging the surplus paint out of the cavity.