Patent ID: 9084475
Filing Date: 2015-07-21
Classification: A47B,H02J,H02P

Abstract:
1. A height adjustable piece of furniture comprising, at least one extendable column, an electric motor adapted for driving the extendable column, at least one switch for operation control of the electric motor, and a power control unit adapted to control the power distribution to the height adjustable piece of furniture, and wherein the power control unit is connected to a power source, wherein: the connection between the power source and the height adjustable piece of furniture is provided via the switch, the switch in an activated state is adapted to connect the power source to the height adjustable piece of furniture, and in a deactivated state is adapted to disconnect the power source from the height adjustable piece of furniture, the switch includes an operation switch and a relay in direct electrical connection with the operation switch, the connection between the power source and the height adjustable piece of furniture is provided via the relay, the operation switch in an activated state is adapted to set the relay in an activated state, and the power supply to the electric motor and to the power control unit is connected via the relay when the relay is in the activated state.