Item of seating furniture

Abstract

An item of seating furniture includes a carrying frame having a carrying element; a seat frame having a seat surface; and a backrest, wherein the carrying element extends into a region of the backrest; a sliding guide, wherein the seat frame is displaceable in the sliding guide relative to the carrying frame between a front working position and a rear resting position. The item also includes a pelvic support disposed in a rear region of the seat surface and inclined in the front working position in relation to a plane of the seat surface; a frame configured to carry the pelvic support and pivotably movable relative and kinematically coupled to the seat frame; a thrust bearing configured to support the frame in a displaceable and pivotably movable manner; and a joint connecting the frame to the seat frame at a trailing end portion of the seat frame.

1 . An item of seating furniture comprising:
 a carrying frame having a carrying element;   a seat frame having a seat surface;   a backrest, wherein the carrying element extends into a region of the backrest;   a sliding guide, wherein the seat frame is displaceable in the sliding guide relative to the carrying frame between a front working position and a rear resting position;   a pelvic support disposed in a rear region of the seat surface and inclined in the front working position in relation to a plane of the seat surface;   a frame configured to carry the pelvic support and pivotably movable relative to the seat frame and kinematically coupled to the seat frame;   a thrust bearing configured to support the frame in a displaceable and pivotably movable manner, wherein the carrying element is configured to carry the thrust bearing; and   a joint connecting the frame to the seat frame at a trailing end portion of the seat frame.   
     
     
         2 . The item of seating furniture as recited in  claim 1 , wherein the pelvic support is disposed in an upwardly inclined manner in the front working position in relation to the plane of the seat surface. 
     
     
         3 . The item of seating furniture as recited in  claim 1 , wherein the pelvic support is disposed in the rear resting position in a common plane with the seat surface. 
     
     
         4 . The item of seating furniture as recited in  claim 1 , wherein the pelvic support and the backrest are immovable relative to each other during a movement between the front working position and the rear resting position. 
     
     
         5 . The item of seating furniture as recited in  claim 1 , wherein the backrest is immovable relative to the frame during a movement between the front working position and the rear resting position relative to each other. 
     
     
         6 . The item of seating furniture as recited in  claim 1 , wherein the frame includes an angular element having a first leg and a second leg, wherein the angular element is connected to the backrest by the first leg and connected to the pelvic support by the second leg. 
     
     
         7 . The item of seating furniture as recited in  claim 1 , wherein the carrying frame includes a stop for stopping a movement of the backrest into the rear resting position. 
     
     
         8 . The item of seating furniture as recited in  claim 1 , wherein the frame is guided in a guide. 
     
     
         9 . The item of seating furniture as recited in  claim 8 , wherein the frame is guided in a profile. 
     
     
         10 . The item of seating furniture as recited in  claim 1 , wherein the thrust bearing is securable in different positions. 
     
     
         11 . The item of seating furniture as recited in  claim 1 , wherein the thrust bearing is one of a sliding and a roller bearing. 
     
     
         12 . The item of seating furniture as recited in  claim 1 , wherein at least one of the seat surface and the backrest is movable into the rear resting position counter to a restoring force of a spring element. 
     
     
         13 . The item of seating furniture as recited in  claim 1 , wherein the seat frame is configured to carry a front seat cushion and the frame is configured to carry a pelvic cushion of the pelvic support directly adjoining the front seat cushion. 
     
     
         14 . The item of seating furniture as recited in  claim 1 , wherein the item of seating furniture is one of a working chair, an office chair, a waiting chair and a resting chair.