US 11,805,946 B2
Coffee machine
Toshio Saito, Tokyo (JP); and Takayuki Wakabayashi, Tokyo (JP)
Assigned to DAITO GIKEN, INC., Tokyo (JP)
Appl. No. 18/026,238
Filed by DAITO GIKEN, INC., Tokyo (JP)
PCT Filed Oct. 24, 2022, PCT No. PCT/JP2022/039436
§ 371(c)(1), (2) Date Mar. 14, 2023,
PCT Pub. No. WO2023/090056, PCT Pub. Date May 25, 2023.
Prior Publication US 2023/0255406 A1, Aug. 17, 2023
Int. Cl. A47J 42/56 (2006.01); A47J 42/44 (2006.01); A47J 42/46 (2006.01); A47J 42/26 (2006.01)
CPC A47J 42/56 (2013.01) [A47J 42/26 (2013.01); A47J 42/44 (2013.01); A47J 42/46 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A coffee machine, comprising:
a grinder configured to grind coffee beans by a predetermined rotation operation in a normal state; and
an operation portion, wherein
when the grinder is in an abnormal state in which the predetermined rotation operation cannot be performed, if the operation portion is operated, a reverse rotation operation is executed in a direction opposite to that of the predetermined rotation operation, and in the normal state, the reverse rotation operation is not executed even if the operation portion is operated.