Elevator drive machine placed in the counterweight

Details Elevator drive machine placed in the counterweight Elevator drive machine placed in the counterweight

1994-06-28

1996-10-22

Skaggs, H. Grant

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

187404, 310268, B66B 902

Patent

active

055667856

ABSTRACT:
An elevator suspended by ropes is provided with a rotating elevator motor placed in a counterweight of the elevator. The motor has a traction sheave. A gear system is not necessarily needed, because the structure and placement of the motor allow the use of a motor having a large diameter and a high torque. Because the length of the motor remains small, the motor and counterweight can be accommodated in a space normally reserved for a counterweight in the elevator shaft. The motor shaft lies in the counterweight substantially midway between the guide rails. The number of ropes is equal on both sides of a plane going through a center of the guide rails.

REFERENCES:
patent: 3101130 (1963-08-01), Bianca
patent: 4771197 (1988-09-01), Ivanto et al.
patent: 4960186 (1990-10-01), Honda
patent: 5018603 (1991-05-01), Ito
patent: 5062501 (1991-11-01), Pavoz et al.
patent: 5086881 (1992-02-01), Gagnon et al.

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