Chair or couch with motor-driven movable parts

a motor-driven, chair technology, applied in the field of adjustable seating furniture, can solve the problems of affecting the overall installation, and requiring a long time to complete, so as to facilitate the overall installation
US20130234477A1Inactive Publication Date: 2013-09-12STANZWERK WETTER SICHELSCHMIDT
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
STANZWERK WETTER SICHELSCHMIDT
Publication Date
2013-09-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

A couch or chair has a frame, a movable seat, a movable back, a movable footrest, and a linkage connected to the seat, back, and footrest to shift same between different positions on the frame. A drive has a motor, a transmission, a drive housing holding the motor and transmission and secured to the frame underneath the seat, and a rigid tube having a front end fixed to the housing and a rear end. A mounting bracket fixed to the rear end of the tube is secured to the frame, and a drive element in the tube is connected to the transmission. A slide on the tube between the ends thereof engages the drive element and is connected to the linkage to shift the seat, back, and footrest. A cable is connected to the motor, extends rearward along the tube past the bracket, and carries a plug.
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Description

FIELD OF THE INVENTION

[0001] The present invention relates to a piece of adjustable seating furniture. More particularly this invention concerns a chair or couch with motor-driven movable parts.BACKGROUND OF THE INVENTION

[0002] The invention relates to a piece of seating furniture, that is a couch or chair, with parts that are adjustable by an electric motor, and that specifically include at least one seat and / or back and / or footrest. The piece of furniture has a frame normally comprised of two vertical end members or plates interconnected by front and back longitudinal beams on which parts of the adjustment mechanism of the adjustable parts are pivotally linked or attached.

[0003] A drive having an electric motor is attached to parts of the adjustment mechanism and also has a step-down transmission as well as a tube that projects from the motor and transmission and that surrounds a drive element, in particular, a threaded drive spindle that is operatively connected to the step-down tra...

Claims

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