According to an aspect of the present disclosure, a multi-step height adjuster includes a base tube portion including a first base tube and a second base tube vertically reciprocating inside the first base tube; a spindle portion including a first spindle installed inside the first base tube to vertically reciprocate and a second spindle installed inside the second base tube to vertically reciprocate; and an adjustment portion installed in the spindle portion to transmit power to the spindle portion, wherein the first spindle and the second base tube are integrally moved.

An intelligent automated chair that is configured to have uploaded various operating models to run a sequence of patterns that cause the intelligent automated chair to alternate between various positions. An intelligent automated chair system configured to receive data from various inputs including user input, sensors, biosensors, historical usage, profile, and others to generate a recommended operating model for the intelligent automated chair. An intelligent automated chair system running an operating model that is interruptible manually by a user or as a result of sensed date, which can alter the pattern or parameters of the operating model.

An intelligent automated chair that is configured to have uploaded various operating models to run a sequence of patterns that cause the intelligent automated chair to alternate between various positions. An intelligent automated chair system configured to receive data from various inputs including user input, sensors, biosensors, historical usage, profile, and others to generate a recommended operating model for the intelligent automated chair. An intelligent automated chair system running an operating model that is interruptible manually by a user or as a result of sensed date, which can alter the pattern or parameters of the operating model.

The present invention relates to a piece of furniture comprising at least one adjustable use portion, in particular an office chair having an adjustable seat and/or an adjustable backrest. The present invention further relates to an adjusting assembly that can be used, for example, for a piece of furniture of said type.

The present invention relates to a piece of furniture comprising at least one adjustable use portion, in particular an office chair having an adjustable seat and/or an adjustable backrest. The present invention further relates to an adjusting assembly that can be used, for example, for a piece of furniture of said type.

The invention relates to an electrically adjustable piece of furniture comprising an electric drive motor for adjusting as least one furniture adjusting section with respect to a furniture support section, wherein the piece of furniture comprises sensor devices for detecting the inclination or the change of inclination of the furniture adjusting section.

A seating furniture chassis including a drive mechanism, a drive shaft, a gear mechanism and a lifting mechanism. The drive mechanism sets the drive shaft in rotation, while the lifting mechanism raises and lowers a seat face. The drive shaft is connected to the lifting mechanism via the gear mechanism. Rotation of the drive shaft in a first direction triggers raising of the seat face, while rotation of the drive shaft in a second direction triggers lowering of the seat face.

A seating furniture chassis including a drive mechanism, a drive shaft, a gear mechanism and a lifting mechanism. The drive mechanism sets the drive shaft in rotation, while the lifting mechanism raises and lowers a seat face. The drive shaft is connected to the lifting mechanism via the gear mechanism. Rotation of the drive shaft in a first direction triggers raising of the seat face, while rotation of the drive shaft in a second direction triggers lowering of the seat face.

A device that prevents the self-adjustment of a leveling glide for the tubular legs of various types of furniture, including tables and chairs, is disclosed. The device comprises a threaded insert for a furniture leveling assembly that includes a polymeric washer secured to the bottom of the threaded insert. The polymeric washer is aligned with the axis of the internally threaded of the threaded insert and has a hole diameter that is smaller than the diameter of the externally threaded stem of the leveling glide.

A portable seat apparatus including a support seat having a support seat body sized to support a user's back, the support seat body having a first end and a second end opposite the first end, the second end sized to terminate a distance above a user's hamstrings, at least one strap coupled to the support seat body and configured to surround a user's body part, and a support assembly including a base couplable to a ground surface and a height adjustable support column having a proximal end opposite a distal end, the proximal end coupled to the support seat and the distal end rotatably coupled to the base such that the proximal end of the support column is rotatable toward and away from the base.