Patent ID: 7296672
Filing Date: 2007-11-20
Classification: B66B

Abstract:
1. A wheel for driving a flexible handrail of an escalator or moving walk, the wheel having a power transmission element that can be turned about an axis of rotation and having cross sections perpendicular to the axis of rotation have circular enveloping curves with centers lying on the axis of rotation and having on a circumference a contact surface through which an outwardly acting radial force can be exerted, the wheel further comprising: two base sheaves arranged coaxially to the power transmission element, each base sheave having a plurality of cutouts arranged on a side of the base sheave that faces the other base sheave, the cutouts being located in an outer edge area of the base sheave and form, with the cutouts of the other base sheave, cutout pairs; a circumferential cover with an inner surface that faces the axis of rotation and an outer surface upon which at least part of a contact surface of the power transmission element rests; and a plurality of pins arranged in the circumferential cover, a different one of the pins engaging in each cutout pair.