Telescopic column that can be calibrated, piece of furniture having a telescopic column that can be calibrated, and method for calibrating a telescopic column
First Claim
1. An adjustable-length column that can be calibrated, wherein the column that can be calibrated comprises telescopic parts including a stationary part and at least one movable part, a driving mechanism having a motor arranged in the telescopic parts and connected to a spindle having an ascending screw thread that causes an adjustment of the length of the column between a retracted state and a completely extended state, a controller for controlling the driving mechanism, a middle part interacting with the screw thread, the position of the middle part relative to the screw thread varying as the length of the column is adjusted between the extended and retracted states, and a calibrating means including a sensor unit having a detection means being in direct effective contact with the middle part when passing the sensor unit, the calibrating means establishing the attainment of a pre-defined calibration position of the movable part with respect to the stationary part, wherein the controller is configured to set a fixed reference point for the length-adjustment at the pre-defined calibration position, and the movable part can be transferred from the retracted state to a plurality of extended states, and wherein the calibration position coincides with a position of the movable part in a partly extended state.
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Accused Products
Abstract
The invention relates to a column that can be calibrated, in particular for a piece of furniture, wherein the column 100, 101 that can be calibrated has a stationary part 4, at least one movable part 2, 3, and a calibrating means 6, 13, 14, and the movable part 2, 3 can be transferred from a retracted state to a plurality of extended states, and wherein a calibration position of the column 100, 101 coincides with the position of the movable part 2, 3 in an extended state. Such a column can be used in a piece of furniture as an extendable column.
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Citations
7 Claims
- 1. An adjustable-length column that can be calibrated, wherein the column that can be calibrated comprises telescopic parts including a stationary part and at least one movable part, a driving mechanism having a motor arranged in the telescopic parts and connected to a spindle having an ascending screw thread that causes an adjustment of the length of the column between a retracted state and a completely extended state, a controller for controlling the driving mechanism, a middle part interacting with the screw thread, the position of the middle part relative to the screw thread varying as the length of the column is adjusted between the extended and retracted states, and a calibrating means including a sensor unit having a detection means being in direct effective contact with the middle part when passing the sensor unit, the calibrating means establishing the attainment of a pre-defined calibration position of the movable part with respect to the stationary part, wherein the controller is configured to set a fixed reference point for the length-adjustment at the pre-defined calibration position, and the movable part can be transferred from the retracted state to a plurality of extended states, and wherein the calibration position coincides with a position of the movable part in a partly extended state.
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7. A piece of furniture with at least one adjustable-length column that can be calibrated, wherein the column that can be calibrated comprises telescopic parts including a stationary part and at least a movable part, a driving mechanism, arranged in the telescopic parts, adjusting the length of the column between a retracted state and a completely extended state, a controller for controlling the driving mechanism, and a calibration means establishing the attainment of a pre-defined calibration position for calibrating a position of the movable part with respect to the stationary part, wherein the controller is configured to set a fixed reference point for the length-adjustment at the pre-set calibration position, and the movable part can be transferred from the retracted state in a plurality of extended states, and wherein the calibration position coincides with a position of the movable part in a partly extended state.
Specification