Suspension filing system for folders and other document containers

Claim 1

A SUSPENSION TYPE FILING DEVICE, COMPRISING: AN ELONGATED AND RIGID SUPPORTING RAIL OF UNIFORM CROSSSECTION HAVING FIRST AND SECOND PARALLEL FLANGE MEANS EXTENDING ALONG THE OPPOSITE LENGTHWISE SIDES THEREOF AND PROJECTING IN OPPOSITE SIDEWARD DIRECTIONS; A FOLDER FABRICATED FROM SHEET MATERIAL AND HAVING AN UPPER SUSPENSION EDGE PORTION; A SUBSTANTIALLY FLAT AND STIFF SUSPENSION MEMBER SECURED TO SAID SUSPENSION EDGE PORTION, SAID MEMBER HAVING A RECESS OPENING THROUGH THE UPPER EDGE THEREOF, SAID RECESS BEING DEFINED BY A BOTTOM EDGE, A PAIR OF SPACED, SIDE EDGES, AND A PAIR OF CARRIER NOSES EXTENDING TOWARD EACH OTHER FROM THE UPPER ENDS OF SAID SIDE EDGES, THE DISTANCE BETWEEN SAID CARRIER NOSES BEING LESS THAN THE DISTANCE BETWEEN THE REMOTE EDGES OF SAID FLANGE MEANS, SAID RAIL BEING RELATIVELY MOVABLE TRANSVERSELY THEREOF INTO SAID RECESSES AND INTO A POSITION WITH RESPECT THERETO SO THAT SAID NOSES ARE RESPECTIVELY ENGAGED BY AND SUPPORTED UPON SAID FLANGE MEANS, THE DISTANCE BETWEEN AT LEAST A PORTION OF ONE SIDE EDGE AND THE ONE CARRIER NOSE ADJACENT THE OPPOSITE SIDE EDGE OF SAID RECESS BEING GREATER THAN SAID DISTANCE BETWEEN SAID REMOTE EDGES OF SAID FLANGE MEANS ON SAID RAIL; FIRST ABUTMENT MEANS ON THE LOWER SURFACE OF SAID RAIL AND EXTENDING LENGTHWISE THEREOF BETWEEN SAID FLANGE MEANS: SECOND ABUTMENT MEANS ON THE BOTTOM EDGE OF SAID RECESS AND SPACED FROM SAID SIDE EDGES, SAID SECOND ABUTMENT MEANS INCLUDING A PROJECTION EXTENDING UPWARDLY FROM THE BOTTOM EDGE OF SAID RECESS BETWEEN SAID CARRIER NOSES FOR ENGAGING THE LOWER SIDE OF SAID SUPPORTING RAIL, SAID RAIL BEING SPACED FROM SAID BOTTOM EDGE ON BOTH SIDES OF SAID SECOND ABUTMENT MEANS, SAID FIRST AND SECOND ABUTMENT MEANS BEING IN CONTACT WITH EACH OTHER WHEN SAID FLANGE MEANS ARE IN SUPPORTING POSITIONS BENEATH SAID CARRIER NOSES, WHEREBY PIVOTING OF SAID SUSPENSION MEMBER AND SAID FOLDER AROUND THE LENGTHWISE AXIS OF SAID RAIL IS POSITIVELY OPPOSED, SAID BOTTOM EDGE OF SAID RECESS HAVING ONE PORTION BETWEEN SAID SECOND ABUTMENT MEANS AND SAID ONE SIDE EDGE, WHICH PORTION IS BELOW SAID SECOND ABUTMENT MEANS AND IS SPACED A SUBSTANTIAL DISTANCE FROM THE FLANGE MEANS WHEN IT IS IN SAID SUPPORTING POSITION, SAID RAIL BEING RELATIVELY MOVABLE WITHIN SAID RECESS FROM SAID SUPPORTING POSITION TOWARD SAID ONE SIDE EDGE SO THAT SAID FIRST ABUTMENT MEANS IS MOVED AWAY FROM SAID SECOND ABUTMENT MEANS AND THE FLANGE MEANS IS MOVED FROM BENEATH THE ONE CARRIER NOSE, WHEREBY SAID FOLDER CAN BE MOVED DOWNWARDLY AWAY FROM SAID RAIL.