| US 7,543,685 B2 | ||
| Elevator | ||
| Ernst Ach, Ebikon (Switzerland); Gert Silberhorn, Rigi (Switzerland); Peter Spless, Meggen (Switzerland); and Karl Weinberger, Cham (Switzerland) | ||
| Assigned to Inventio AG, Hergiswil NW (Switzerland) | ||
| Filed on Aug. 31, 2005, as Appl. No. 11/215,901. | ||
| Prior Publication US 2006/0070818 A1, Apr. 06, 2006 | ||
| Int. Cl. B66B 9/02 (2006.01); B66B 11/04 (2006.01) | ||
| U.S. Cl. 187—250 [187/252; 187/411] | 8 Claims |
| 1. An elevator having an elevator car and a counterweight movable in an elevator shaft, a supporting and driving device connecting
the car and the counterweight is guided over redirecting rollers and an elevator drive that drives the supporting and connecting
device to move the elevator car and the counterweight comprising:
a mechanical drive being the elevator drive and being arranged at a head of the elevator shaft;
a belt included in the supporting and driving device and being connected to the car and the counterweight with a 2:1 belt
guide;
said mechanical drive having at least one drive wheel driven by said mechanical drive; and
said mechanical drive having a pair of deflecting rollers adjacent said drive wheel, said deflecting rollers looping said
belt about said drive wheel whereby said belt engages said drive wheel and said deflecting rollers and a direction of a belt
run at an outlet of said mechanical drive is changed in a range of approximately 0° to approximately 90° relative to a direction
of a belt run at an inlet of said mechanical drive.
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