Patent ID: 9603490
Date: 2017-03-28
CPC Classifications: A47J

Claim:
1. A hand blender with a built-in 2-speed gearbox, comprising: a housing; a stirring tool; a motor ( an input shaft ( an output shaft ( a gearbox meshing with the input shaft and the output shaft, and configured for driving the output shaft to rotate in a first direction with a first speed when the motor rotates in the first direction, and for driving the output shaft to rotate in the first direction with a second speed when the motor rotates in a reverse direction; the differential transmission assembly comprises: a sun gear ( an annular gear ( a planet gear set ( a planetary carrier ( an upper transmission turntable ( an upper bevel ring ( a plurality of bevel gears ( a bevel gear carrier ( a lower transmitting turntable ( a second one-way bearing configured at one or both of the following positions: 1) between the input shaft and the sun gear, and 2) between the lower transmitting turntable and the output shaft;