Chair

Claim 1

A CHAIR COMPRISING A PAIR OF LATERALLY SPACED SIDEFRAMES, EACH HAVING FRONT AND REAR LEGS RIGIDLY CONNECTED BY UPPER AND LOWER CROSS-RAILS, AN ARM REST ELEMENT RIGIDLY SECURED TO THE UPPER CROSS-RAILS AND CONNECTING THE SIDEFRAMES AT AN UPPER LEVEL, SAID UPPER CROSS-RAILS AND SAID ARM REST ELEMENT HAVING SETS OF VERTICALLY ALIGNED APERTURES, SCREW MEANS MOUNTED WITHIN SAID ALIGNED APERTURES FOR RIGIDLY SECURING THE ARM REST ELEMENT TO THE SIDE-FRAMES, SAID REAR LEGS BEING PROVIDED WITH FORWARDLY PRESENTED APERTURES SPACED UPWARDLY FROM THE LOWER CROSS-RAILS, A SEAT-FRAME HAVING A PAIR OF SIDE-RAILS ADAPTED TO FIT SNUGLY BETWEEN THE FRONT AND REAR LEGS OF THE SIDEFRAMES AND REST UPON THE LOWER CROSS-RAILS THEREOF, A REARWARDLY PROJECTING PIN IN EACH OF SAID SIDE-RAILS OF THE SEAT-FRAME, SAID PINS BEING LOCATED FOR ENTRY INTO THE APERTURES OF THE REAR LEGS AND BEING SIZED FOR SNUG-FITTING ENGAGEMENT WITH SUCH APERTURES, AN ATTACHMENT PLATE RIGIDLY SECURED TO EACH OF THE SIDE-RAILS AT THEIR FORWARD MARGINS, SAID ATTACHMENT PLATES AND SAID FRONT LEGS HAVING ALIGNED APERTURES, SCREW MEANS MOUNTED IN SAID APERTURES, MEANS FOR RIGIDLY ATTACHING SAID SIDE-RAILS AT THEIR FORWARD ENDS TO THE FRONT LEGS WHEREBY THE SIDE-FRAMES ARE RIGIDLY INTERCONNECTED AT A LOWER LEVEL, A SEAT SECURED UPON THE SEATFRAME, SAID REAR LEGS BEING PROVIDED WITH UPWARDLY EXTENDING BACK SUPPORTING POSTS, SAID POSTS BEING PROVIDED AT THEIR UPPER ENDS WITH FORWARDLY PROJECTING PINS, AND A BACK MEMBER SECURED TO AND EXTENDING TRANSVERSELY BETWEEN SAID BACK SUPPORTING POSTS, SAID BACK MEMBER BEING MOUNTED UPON AND SECURED TO SAID PINS.