Height adjustment mechanism for a movable support part of seating furniture and seating furniture
AssigneeHettich Franke GmbH & Co. KG
InventorsSteffen GRATHWOL, Oliver NILL
Life of this patent
Estimating the term…
Abstract
A height adjustment mechanism for a movable support part of a piece of seating furniture has a guide rod fastenable to a back part of the piece of seating furniture, a bracket support guided on the guide rod so as to be displaceable in the longitudinal direction of the guide rod, at least one support part bracket fastened to the bracket support, a drive unit fastened to the back part of the seating furniture, and an electric motor and a drive shaft drivable by the electric motor and by which the bracket support is displaceable by a motor along the guide rod, a traction drive coupled to the bracket support and driven by the drive shaft being fastened to the guide rod.
Claims13
1-11. (canceled)
A height adjustment mechanism for a movable support part of a seating furniture, the height adjustment mechanism comprising:
- a guide rod configured to be attached to a back part of the seating furniture;
- a bracket support displaceably guided on the guide rod in the longitudinal direction of the guide rod;
- at least one support bracket attached to the bracket support;
- a drive unit, attached to the back part of the seating furniture, having an electric motor, a drive shaft drivable by the electric motor and with which the bracket support is displaceable along the guide rod by the electric motor;
- and
- a flexible traction drive, coupled to the bracket support and driven by the drive shaft, attached to the guide rod.
A seating furniture, comprising:
- a seat;
- a backrest arranged at an angle to the seat, having a back part accommodated in the backrest, and having a support part movable relative to the back part;
- and
- a height adjustment mechanism for height adjustment of the movable support part relative to the back part, wherein the height adjustment mechanism comprises
- a guide rod configured to be attached to a back part of the seating furniture;
- a bracket support displaceably guided on the guide rod in the longitudinal direction of the guide rod;
- at least one support bracket attached to the bracket support;
- a drive unit, attached to the back part of the seating furniture, having an electric motor, a drive shaft drivable by the electric motor and with which the bracket support is displaceable along the guide rod by the electric motor;
- and
- a flexible traction drive, coupled to the bracket support and driven by the drive shaft, attached to the guide rod.
Dependencies are inferred from the claim text.