Drive for closure elements
AssigneeMarantec Antriebs-und Steuerungstechnik GmbH & Co. KG
InventorMichael Hormann
Life of this patent
Estimating the term…
Abstract
The invention relates to a drive for closure elements, in particular in the area of garage and industrial doors, but also for example in the form of roller shutters, with a reference value generator arranged in the motor or in the gearing of the drive for determining the actual position of the closure element. When a reference point position is reached, the reference value generator emits a signal or causes a signal modification, on the basis of which the actual-value generator can be calibrated. According to the invention, the reference value generator has two reference discs rotating in different speeds, which, in predetermined angular positions to one another, define the reference point positions which can be scanned by means of at least one scanning device.
Claims12
A drive for closure elements, in particular garage and industrial doors and for example also sliding shutters with a reference value generator arranged in or on the motor or in or on the gearing of the drive for determining the actual position of the closure element,
- characterised in that
- the reference value generator has two reference discs rotating at different speeds, which, in predetermined angular positions to one another, define the reference point positions which can be scanned by means of at least one scanning device.
Dependencies are inferred from the claim text.