US 9,808,115 B2
Full-automatic tea-making machine
Meichee Choi, Shenzhen (CN); Li Dong, Shenzhen (CN); Jianbo Liu, Shenzhen (CN); and Xuefeng Shang, Shenzhen (CN)
Assigned to MAIN POWER INNOTECH (SHENZHEN) MANUFACTURING CO., LTD., Shenzhen, Guangdong Province (CN)
Appl. No. 14/653,837
Filed by MAIN POWER INDUSTRIAL (SHEN ZHEN) CO., LTD., Shenzhen, Guangdong Province (CN)
PCT Filed Sep. 3, 2013, PCT No. PCT/CN2013/082852
§ 371(c)(1), (2) Date Jun. 18, 2015,
PCT Pub. No. WO2014/094457, PCT Pub. Date Jun. 26, 2014.
Claims priority of application No. 2012 1 0551617 (CN), filed on Dec. 18, 2012; and application No. 2013 1 0334511 (CN), filed on Aug. 2, 2013.
Prior Publication US 2015/0327716 A1, Nov. 19, 2015
Int. Cl. A47J 31/40 (2006.01); A47J 31/46 (2006.01); A47J 31/20 (2006.01)
CPC A47J 31/46 (2013.01) [A47J 31/20 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A full-automatic tea-making machine, comprising a base assembly and a tea-making assembly arranged on the base assembly; wherein
a water pump configured to pump water into the tea-making assembly and a motor are arranged on the base assembly;
the tea-making assembly includes:
a tea-making cavity with an open top part, a closed bottom part and a closed peripheral wall;
a tea basket driven by the motor; and
a drain valve arranged at the bottom of the tea-making cavity and communicated with the tea-making cavity; wherein
the full-automatic tea-making machine further comprises a first clutch and a second clutch cooperated with each other to transmit a power between the motor and the tea basket, wherein the first clutch is driven by the motor, and the second clutch is configured to transmit the power to the tea basket; wherein
when the motor has rotated in a first direction for a preset period, tea leaves in the tea basket has been washed thoroughly;
when the motor rotates in a second direction for a preset period, water configured to wash the tea leaves has been completely discharged; wherein
a helicoidal surface is defined on the first clutch; when the motor rotates in the first direction, the first clutch is cooperated with the second clutch at a lowest point of the helicoidal surface; and when the motor rotates in the second direction, the first clutch is cooperated with the second clutch at a highest point of the helicoidal surface; or
a helicoidal surface is defined on the second clutch; when the motor rotates in the first direction, the first clutch is cooperated with the second clutch at a highest point of the helicoidal surface; and when the motor rotates in the second direction, the first clutch is cooperated with the second clutch at a lowest point of the helicoidal surface.