Patent ID: 8308576
Filing Date: 2012-11-13
Classification: F16C

Abstract:
1. A transmission mechanism of a carving grinder, in which: a motor is connected to a first end of a flexibly displaceable transmission tube via a motor transmission member, and said transmission tube is connected on an opposing end to a working unit via a driving member; said transmission tube consists of a soft tube on an outside, which is a hose clad by a plastic tube, and a wire on an inside, which is an axial wire extending through a spiral tube thereby allowing an articulable working unit; wherein: both ends of said transmission tube are positioning ends in square shape to be received by a square hole of a second socket on the driving member and by the motor transmission member, respectively; said driving member includes a transmission axis with a receiving section, a first bearing is provided on the receiving section, and, behind the first bearing, a first socket and a second bearing, in this order, are provided; in a rear section of the transmission axis, a threaded section of the transmission axis is defined to join a threaded section of a second socket; on the opposite end of the second socket, a square hole is provided to receive and position the transmission tube; the receiving section of the transmission axis is inserted in a locking socket that has a threaded section on each of front and rear ends, these threaded sections engaging with a connecting tube and a joining tube, respectively; said transmission axis is provided a one-piece integrated embossed key on one end.