Patent ID: 6371248
Filing Date: 2002-04-16
Classification: B66B

Abstract:
A drive unit for elevators comprising:a motor having a casing and a drive shaft, said drive shaft being rotatably supported in said casing and having a free end extending from one end of said casing; a traction sheave mounted on said free end of said drive shaft for rotation with said drive shaft; a bearing mounted on an exterior of an extension of said one end of said casing and rotatably supporting said traction sheave and said free end of said shaft, said bearing and said traction sheave being axially aligned for supporting a load applied to the traction sheave; and a braking device for preventing rotation of said traction sheave, said braking device including a portion of said traction sheave encircling said extension between said bearing and said one end of said casing to minimize a length of the drive unit.