Patent ID: 6789599
Filing Date: 2004-09-14
Classification: E05D,E05F,E05Y,E06B

Abstract:
A motorized door-driving mechanism driving a panel by way of a spring torsioned door shaft in an overhead door, comprising a door-driving motor assembly with a geared motor; a door driving-mechanism torque transmission transmitting torque from said door-driving motor with said geared motor to said door shaft connected to said door panel; comprising the door-driving mechanism a driving component rotating around a first axis and engaged with said geared motor; a driven component rotating around a second axis and engaged with said door shaft a bearing assembly wherein said driving component and said driven component are mounted on separated axes of rotation; a coupling connection between both components; said bearing assembly having a driving component bearing half mounting said driving component, a driven component bearing half separated from said driving component half and mounting said driven component, said bearing halves being connected elastically for attenuating torsional vibrations and impacts.