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Lifting device especially a lift or a lifting platform

  • US 20070056804A1
  • Filed: 09/28/2004
  • Published: 03/15/2007
  • Est. Priority Date: 10/01/2003
  • Status: Abandoned Application
First Claim
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1. A lifting device, especially an elevator or a lifting platform, having a displacement unit (1, 6, 7, 8) for at least partly displacing a load-receiving device vertically, the displacement unit (1, 6, 7, 8) comprising at least one first drive motor (1) having a first motor shaft (3), and also at least one first brake unit (2) arranged on a first brake shaft (3) and a second brake unit (2) arranged on a second brake shaft (3), and also at least one first drive element (7) rotatable about a first drive shaft (6) and intended for driving at least one first traction element (8) loaded in tension, and a second drive element (7) rotatable about a second drive shaft (6) and intended for driving at least one second traction element (8) loaded in tension, the traction elements (8) being arranged in each case at least between the drive shaft (6) and the load-receiving device, characterized in that means are provided for producing a continuously mechanical form fit, the form fit comprising at least the first and the second brake unit (2) and the first and the second drive element (7).

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