Seat with moveable worksurface

Abstract

A seat includes a chassis and a working attachment. The chassis has a seating surface, a backrest, and an armrest. The working attachment is fixedly secured to the chassis and includes a worksurface. The worksurface has a first position in which the worksurface is positioned at a height above a top surface of the armrest on a first side of the armrest such that the worksurface is positioned over the seating surface. The worksurface has a second position in which the worksurface is positioned at a height below the top surface of the armrest on a second side of the armrest opposite of the first side.

1 . A seat comprising:
 a chassis having a seating surface, a backrest, and an armrest; and   a working attachment fixedly secured to the chassis, the working attachment including a worksurface, the worksurface having a first position in which the worksurface is positioned at a height above a top surface of the armrest on a first side of the armrest such that the worksurface is positioned over the seating surface, the worksurface having a second position in which the worksurface is positioned on a second side of the armrest opposite of the first side.   
     
     
         2 . The seat according to  claim 1 , wherein the working attachment includes a support section and a vertical section, the vertical section defining a first axis of rotation, the support section extending perpendicular to the vertical section, the support section including a support coupling that is coupled to the worksurface. 
     
     
         3 . The seat according to  claim 2 , wherein the support coupling is pivotally coupled to the worksurface such that the worksurface rotates relative to the support section about a second axis of rotation that extends through the support coupling and is parallel to the first axis of rotation. 
     
     
         4 . The seat according to  claim 2 , wherein the chassis includes a mount, the mount defining a receiver that selectively receives a first portion of a mounting shaft, the working attachment selectively receiving a second portion of the mounting shaft, the mounting shaft fixedly securing the working attachment to the chassis. 
     
     
         5 . The seat according to  claim 2 , the working attachment including a mounting section having a horizontal tube and a vertical tube, the horizontal tube fixedly secured to the chassis, the vertical tube extending perpendicular to the horizontal tube, the vertical tube receiving the vertical section of the working attachment. 
     
     
         6 . The seat according to  claim 5 , wherein the vertical tube defines a central longitudinal axis, the first axis of rotation being coaxial with the central longitudinal axis of the vertical tube. 
     
     
         7 . The seat according to  claim 6 , wherein the vertical section is rotatably fixed relative to the vertical tube. 
     
     
         8 . The seat according to  claim 6 , wherein the vertical section translates into and out of the vertical tube between the first position and the second position such that the worksurface is below the top surface of the armrest in the second position. 
     
     
         9 . The seat according to  claim 8 , wherein the working attachment includes an actuator that translates the vertical section into and out of the vertical tube. 
     
     
         10 . The seat according to  claim 9 , wherein the actuator is a linear actuator. 
     
     
         11 . A seat comprising:
 a chassis having a seating surface, a backrest, and an armrest; and   a working attachment fixedly secured to the chassis, the working attachment including a worksurface, the worksurface having a first position in which the worksurface is configured to function as a worksurface above the seating surface, the worksurface having a second position in which the worksurface is configured to function as a side table.   
     
     
         12 . The seat according to  claim 11 , wherein in the first position the worksurface is positioned at a first height above a top surface of the armrest and in the second position the worksurface is positioned at a second height below the top surface of the armrest. 
     
     
         13 . The seat according to  claim 12 , wherein in the first position the worksurface is positioned above the seating surface. 
     
     
         14 . The seat according to  claim 11 , wherein the chassis includes a headrest, the backrest moveable between a first state in which the backrest is substantially upright relative to the seating surface and a second state in which the backrest is reclined relative to the seating surface, the headrest having a backward pose in which the headrest is substantially aligned with the backrest and a forward pose in which the headrest is tilted forward relative to the backrest. 
     
     
         15 . The seat according to  claim 14 , wherein the chassis includes a first actuator and a second actuator, the first actuator configured to move the backrest between the first state and the second state and the second actuator configured to tilt the headrest between the backward pose and the forward pose, the chassis further including a first control interface in signal communication with the first actuator and a second control interface in signal communication with the second actuator, the second actuator synced with the first actuator such that when the backrest is moved from the second position towards the first position the second actuator tilts the headrest towards the backward pose when the headrest is in the forward pose in response to the movement of the backrest towards the first position. 
     
     
         16 . A working attachment for a seat, the working attachment comprising:
 a mounting section configured to fixedly mount to a chassis of a seat;   a securement section that extends from the mounting section; and   a worksurface directly coupled to the securement section, the worksurface having a first position in which the worksurface is configured to function as a worksurface over a seating surface of the seat within a footprint of the seat, the worksurface having a second position in which the worksurface is configured to function as a side table outside of the footprint of the seat.   
     
     
         17 . The working attachment according to  claim 16 , wherein the mounting section includes a horizontal tube and a vertical tube, the horizontal tube configured to fixedly mount to the chassis of the seat, the vertical tube extending perpendicular to the horizontal tube, the vertical tube receiving a portion of the securement section. 
     
     
         18 . The working attachment according to  claim 16 , wherein securement section includes a vertical shaft and a horizontal shaft, the vertical shaft defining a first axis of rotation, the horizontal shaft rotated about the first axis of rotation between the first position and the second position. 
     
     
         19 . The working attachment according to  claim 18 , wherein the worksurface is rotatably coupled to the securement section about a second axis of rotation that is parallel to the first axis of rotation, the worksurface rotated about the second axis of rotation between the first position and the second position. 
     
     
         20 . The working attachment according to  claim 19 , further comprising an actuator disposed in a vertical tube of the mounting section, the actuator translating the vertical shaft into and out of the vertical tube between the first position and the second position. 
     
     
         21 - 33 . (canceled)