Patent ID: 8607659

Claim:
A robotic arm assembly, comprising: a support body; a first segment rotatably connected to an end of the support body; and a second segment rotatably connected to the first segment; a first driving member and a second driving member received in the support body; a first bevel gear and a second bevel gear rotatably sleeved on opposite ends of the first segment; a third bevel gear fixed to the second segment and meshing with the first bevel gear and the second bevel gear; a first transmission mechanism transmitting the power of the first driving member to the first bevel gear; and a second transmission mechanism transmitting the power of the second driving member to the second bevel gear; wherein the first transmission mechanism comprises a first worm coupled to the first driving, member, a first worm (sear meshing with the first worm a first drive wheel driven by the first worm gear, a first action gear, a first flexible member sleeved on the first drive wheel and the first action gear, and a first transmission subassembly connecting the first action gear to the first bevel gear; wherein the second transmission mechanism comprises a second worm coupled to the second driving member, a second worm gear meshing with the second worm, a second drive wheel driven by the first worm gear a second action gear, a second flexible member sleeved on the first drive wheel and the second action gear, and a second transmission subassembly connecting the second action gear to the second bevel gear, and wherein the support both comprises a first support arm and a second support arm detachably fixed to the first support arm, the first support arm defines two first receiving grooves on opposite sides the first worn and the first worm rear are received in one first receiving groove, and the second worm and the second worm gear are received in the other first receiving groove.