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US 5,305,482 AGranted
Lifting device
AssigneeDewert Antriebs- und Systemtechnik GmbH & Co. KG
InventorEckhart Dewert
Life of this patent
Estimating the term…
Abstract
A lifting device for turnable parts of a furniture article has a scissors-type element, an electric motor actuating the scissors-type element and having a driven member formed as a rotatable nut, and a stationary threaded spindle on which the electric motor is displaceable.
Claims21
A furniture article, comprising a furniture article unit with turnable parts;
- and a lifting device for said turnable parts of said furniture article unit, said lifting device including a scissors-type element mountable directly on said furniture article unit, means for mounting said scissors-type element directly on said furniture article unit, an electric motor actuating said scissors-type element and having a driven member formed as a rotatable nut, and a stationary threaded spindle on which said electric motor is displaceable.
A lifting device for turnable parts of a furniture article, comprising a scissors-type element;
- an electric motor actuating said scissors-type element and having a driven member formed as a rotatable nut;
- and a stationary threaded spindle on which said electric motor is displaceable, said scissors-type element having a steplessly displaceable wing and a stationary wing, and two scissors arms, said scissors arms having first ends rotatably supported on said wings and second ends displaceably guided on said wings.
A lifting device for turnable parts of a furniture article, comprising a scissors-type element;
- an electric motor actuating said scissors-type element and having a driven member formed as a rotatable nut;
- a stationary threaded spindle on which said electric motor is displaceable;
- and a fork on which said electric motor is suspended, said fork having a beam which is fixed on one of said scissors arms.
Dependencies are inferred from the claim text.