US 11,805,949 B2
Toilet device
Hiroki Hata, Kitakyushu (JP); Yuji Maruyama, Shimotsuke (JP); Maya Teraoka, Tokyo (JP); Haruki Suzuki, Shimotsuke (JP); and Toshihiko Shimizu, Shimotsuke (JP)
Assigned to TOTO LTD., Fukuoka (JP); DAIICHI KASEI CO., LTD., Tochigi (JP); and YOKO INDUSTRY CO., LTD., Tokyo (JP)
Filed by TOTO LTD., Kitakyushu (JP); DAIICHI KASEI CO., LTD., Shimotsuke (JP); and YOKO INDUSTRY CO., LTD., Tokyo (JP)
Filed on Sep. 13, 2022, as Appl. No. 17/931,594.
Claims priority of application No. 2021-158241 (JP), filed on Sep. 28, 2021.
Prior Publication US 2023/0096767 A1, Mar. 30, 2023
Int. Cl. A47K 13/10 (2006.01)
CPC A47K 13/10 (2013.01) 4 Claims
OG exemplary drawing
 
1. A toilet device, comprising:
an electric opening/closing unit configured to open and close at least one of a toilet seat or a toilet lid,
the electric opening/closing unit including
a case,
a motor housed in the case,
an output shaft outputting a rotation of the motor to one of the toilet seat or the toilet lid, at least a part of the output shaft protruding from the case,
a transmission mechanism housed in the case, the transmission mechanism transmitting the rotation of the motor to the output shaft, and
a spring housed in the case and connected to the transmission mechanism and the output shaft, the spring including a coil part including a wire wound into a spiral shape, the spring urging the output shaft in a rotational direction of the output shaft,
the transmission mechanism including an engaging part engaging the spring,
the engaging part engaging an end part of the spring at the transmission mechanism side and restricting the end part from moving in a circumferential direction of the spring and from moving in a radial direction of the spring.