Electromotive drive for a furniture item
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 23, 2002
Grant Date -
N/A
app pub date -
Nov 3, 2000
filing date -
Nov 3, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A electromotive drive for a furniture item, in particular lifting device; includes a housing, a drive motor mounted to the housing, a reduction gear unit interacting with the motor, a rotating spindle driven by the reduction gear unit and carrying a spindle nut which is secured against executing a rotational movement so as to move in a linear direction. A flanged tube is mounted to the housing and accommodates a lifting tube which is mounted to the spindle nut so as to be movable between retracted and extended positions when the spindle rotates and the nut is moved in a linear direction. At least one gas spring is arranged within the flanged tube for assisting the lifting tube during a movement of the lifting tube to the extended position, with the gas spring having a piston rod which is movable in retracted and extended positions in synchronism with the lifting tube.
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