Seating furniture

A seating furniture comprising base means, right and left lateral side wall means including rear sides and lower sides, said lower sides being secured to said base means, two substantially upright column means secured to said base means and respectively to said rear sides of said lateral side wall means, seat means proper, back rest means including a lower part and an upper part, said lower part of the back rest means forming a structural unit with said lateral side wall means, said column means having upper ends above said lower part of said back rest means, said upper part of said back rest means interconnecting said upper ends of said columns, journal means securing said seat means proper to said side wall means, and electrical means in at least one of said substantially upright column means, and further comprising means connected to said seat means proper at the lower surface thereof for releasably holding a desk or table top.

A seating furniture comprising base means, right and left lateral side wall means including rear sides and lower sides, said lower sides being secured to said base means, two substantially upright column means secured to said base means and respectively to said rear sides of said lateral side wall means, seat means proper, back rest means including a lower part and an upper part, said lower part of the back rest means forming a structural unit with said lateral side wall means, said column means having upper ends above said lower part of said back rest means, said upper part of said back rest means interconnecting said upper ends of said columns, journal means securing said seat means proper to said side wall means, and electrical means in at least one of said substantially upright column means, said seating furniture comprising at least two chairs including a front chair and a rear chair, said front chair comprising desk means including a desk top for converting the front chair into a desk unit for the rear chair, whereby said desk top extends between said substantially upright column means.

A seating furniture comprising base means, right and left lateral side wall means including rear sides and lower sides, said lower sides being secured to said base means, two substantially upright column means secured to said base means and respectively to said rear sides of said lateral side wall means, seat means proper, back rest means including a lower part and an upper part, said lower part of the back rest means forming a structural unit with said lateral side wall means, said column means having upper ends above said lower part of said back rest means, said upper part of said back rest means interconnecting said upper ends of said columns, journal means securing said seat means proper to said side wall means, and electrical means in at least one of said substantially upright column means, said seating furniture comprising means removably securing said seat means proper to said side wall means, and means releasably securing said back rest means to said substantially upright column means, whereby an aisle may be formed between adjacent columns of chairs.

A seating furniture comprising first and second fixed spaced apart side walls and including a fixed back portion, a middle portion suspended for horizontal sliding movement between said side walls and comprising first and second spaced apart arm rests, a back rest and a seat, said seat being pivotally mounted on a horizontal axis in said middle portion, and a rearwardly foldable writing surface pivotally mounted between said side walls.

A seating system comprising a plurality of rows of chairs, at least one of said chairs comprising fixed spaced apart side walls, and a middle portion suspended for horizontal sliding movement between said side walls, said middle portion comprising first and second spaced apart arm rests, a back rest and a seat, said seat being pivotally mounted on a horizontal axis in said middle portion.