B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
198/2
B66B 23/02 (2006.01)
Patent
CA 1059461
ABSTRACT OF THE DISCLOSURE An improved drive-unit arranged within the step-belt of an excalator, the drive-unit consisting of an electric motor, tran- smission, and hand-rail drive, the drive-shaft for the transmis- sion also serving as the main drive-shaft for the said step-belt. In one known drive arrangement for escalators, the drive for the hand-rail, arranged within the step-belt, is combined into a unit with the main transmission in order to achieve a compact drive. In this arrangement the hand-rail driving wheels are connected to the drive by means of cardan shafts. This known arrangement has the advantage of taking up less space and being more reliable than con- ventional drives. However, in view of the space restrictions as- sociated with escalators, a design occupying even less space and of less complex construction would be of greater advantage, while being less costly. The present invention proposes to provide a drive arrangement for escalators which will take up less space than known similar arrangements and which, at the same time, is economi- cally more satisfactory due to its simplified design. According to one embodiment of the present invention, this is achieved in that the rotor constituting the housing for the electric motor is mounted floatingly upon the imput shaft of a transmission. Torque from the transmission is absorbed by a torque support arranged upon the hand- rail shaft. The hand-rail shaft extends at right angles to the imput shaft and is driven by a chain.
260649
Na
O. And K. Orenstein And Koppel Aktiengesellschaft
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