Two-sided use of floppy disks

Claim 1

A system for enabling the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket further defining disk-positioning ("DP") apertures through said jacket, said disk-positioning apertures being aligned on opposite sides of said disk and centered at a first pre-set location, and said jacket still further defining a write-protect ("WP") notch at a second pre-set location on an edge of said jacket, said system comprising, (A) for creating new disk-postioning apertures, a disk-positioning ("DP") punch comprising a plunger and a plate spaced from and cooperating with said plunger, and a positioning matrix to center said DP punch plunger over a third pre-set location said third pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said positioning matrix comprising a flat top section and a flat bottom section, said top section being joined along a portion of its perimeter to the perimeter of said bottom section to define a slot of sufficient length, depth and width to receive said unit therebetween, one edge of said top section defining a DP notch adapted to receive said DP punch, said slot and said notch being located, sized and shaped so that when said unit and said DP punch are fully inserted into said slot and said notch respectively, said DP punch cannot readily be moved more than 1/8 inch in any direction with respect to said unit, and a portion of said DP punch plunger is over said third pre-set location, and (B) for creating a new write-protection notch, a write-protect ("WP") punch comprising a plunger and a plate cooperating with and spaced from said plunger to receive an edge of said jacket therebetween, and a positioning means to position said WP punch over a fourth pre-set location on the edge of said jacket, said fourth pre-set location bearing the same spacial relationship to said second access slot as said second pre-set location does to said first access slot, said positioning means comprising a spacer of a pre-established dimension corresponding to the distance between a reference point on said jacket and said fourth pre-set location, said WP punch comprising a means for stopping insertion of said jacket edge between said WP plunger and said WP plate when said fourth pre-set location has traversed no more than ninety percent of the width of the area directly beneath said plunger.

Claim 2

A system for enabling the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket further defining disk-positioning ("DP") apertures through said jacket, said disk-positioning apertures being aligned on opposite sides of said disk and centered at a first pre-set location, and said jacket still further defining a write-protect ("WP") notch at a second pre-set location on an edge of said jacket, said system comprising, (A) for creating new disk-postioning apertures, a disk-positioning ("DP") punch comprising a plunger and a plate spaced from and cooperating with said plunger, and a positioning matrix to center said DP punch plunger over a third pre-set location said third pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said positioning matrix comprising a flat top section and a flat bottom section, said top section being joined along a portion of its perimeter to the perimeter of said bottom section to define a slot of sufficient length, depth and width to receive said unit therebetween, one edge of said top section defining a DP notch adapted to receive said DP punch, said slot and said notch being located, sized and shaped so that when said unit and said DP punch are fully inserted into said slot and said notch respectively, said DP punch cannot readily be moved more than 1/8 inch in any direction with respect to said unit, and a portion of said DP punch plunger is over said third pre-set location, and (B) for creating a new write-protection notch, a write-protect ("WP") punch comprising a plunger and a plate cooperating with and spaced from said plunger to receive an edge of said jacket therebetween, and a positioning means to position said WP punch over a fourth pre-set location on the edge of said jacket, said fourth pre-set location bearing the same spacial relationship to said second access slot as said second pre-set location does to said first access slot, said positioning means comprising a spacer of a pre-established dimension corresponding to the distance between a reference point on said jacket and said fourth pre-set location, said WP punch comprising a means for stopping insertion of said jacket edge between said WP plunger and said WP plate when said fourth pre-set location has traversed no more than ninety percent of the width of the area directly beneath said plunger.

Claim 14

A system for creating new disk-positioning apertures to enable the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket further defining disk-positioning ("DP") apertures through said jacket, said disk-positioning apertures being aligned on opposite sides of said disk and centered at a first pre-set location, said system comprising, a disk-positioning ("DP") punch comprising a plunger and a plate spaced from and cooperating with said plunger, and a positioning matrix to center said DP punch plunger over a second pre-set location said second pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said positioning matrix comprising a flat top section and a flat bottom section, said top section being joined along a portion of its perimeter to the perimeter of said bottom section to define a slot of sufficient length, depth and width to receive said unit therebetween, one edge of said top section defining a DP notch to receive said disk-positioning punch, said slot and said DP notch being located, sized and shaped so that when said unit and said DP punch are fully inserted into said slot and said DP notch respectively, said DP punch cannot readily be moved more than 1/8 inch in any direction with respect to said unit, and a portion of said DP punch plunger is over said second pre-set location.

Claim 15

A system for creating new disk-positioning apertures to enable the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket further defining disk-positioning ("DP") apertures through said jacket, said disk-positioning apertures being aligned on opposite sides of said disk and centered at a first pre-set location, said system comprising, a disk-positioning ("DP") punch comprising a plunger and a plate spaced from and cooperating with said plunger, and a positioning matrix to center said DP punch plunger over a second pre-set location said second pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said positioning matrix comprising a flat top section and a flat bottom section, said top section being joined along a portion of its perimeter to the perimeter of said bottom section to define a slot of sufficient length, depth and width to receive said unit therebetween, one edge of said top section defining a DP notch to receive said disk-positioning punch, said slot and said DP notch being located, sized and shaped so that when said unit and said DP punch are fully inserted into said slot and said DP notch respectively, said DP punch cannot readily be moved more than 1/8 inch in any direction with respect to said unit, and a portion of said DP punch plunger is over said second pre-set location.

Claim 21

A system for creating new disk-positioning holes to enable the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket further defining disk-positioning ("DP") apertures through said jacket, said disk-positioning apertures being aligned on opposite sides of said disk and centered at a first pre-set location, said system comprising, a positioning matrix adapted to position a disk-positioning ("DP") punch having a plunger so that said DP punch plunger is centered over a second pre-set location said second pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said positioning matrix comprising a flat rectangular top section and a flat rectangular bottom section, said top section being positioned over said bottom section and said top section being joined along three sides of its perimeter to the corresponding three sides of the perimeter of said bottom section, said top and bottom sections defining a slot of sufficient length, depth and width to receive said unit therebetween, one edge of said top section defining a notch adapted to receive said disk-positioning punch, one edge of said bottom section defining a notch the same size as and directly beneath said slot in said edge of said top section, said slot being located, sized and shaped so that, when said unit is fully inserted into said slot, said unit cannot readily be moved with respect to said slot more than 1/8 of an inch in any direction, and said notches will be located over said second pre-set location.

Claim 22

A system for creating new disk-positioning holes to enable the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket further defining disk-positioning ("DP") apertures through said jacket, said disk-positioning apertures being aligned on opposite sides of said disk and centered at a first pre-set location, said system comprising, a positioning matrix adapted to position a disk-positioning ("DP") punch having a plunger so that said DP punch plunger is centered over a second pre-set location said second pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said positioning matrix comprising a flat rectangular top section and a flat rectangular bottom section, said top section being positioned over said bottom section and said top section being joined along three sides of its perimeter to the corresponding three sides of the perimeter of said bottom section, said top and bottom sections defining a slot of sufficient length, depth and width to receive said unit therebetween, one edge of said top section defining a notch adapted to receive said disk-positioning punch, one edge of said bottom section defining a notch the same size as and directly beneath said slot in said edge of said top section, said slot being located, sized and shaped so that, when said unit is fully inserted into said slot, said unit cannot readily be moved with respect to said slot more than 1/8 of an inch in any direction, and said notches will be located over said second pre-set location.

Claim 23

A system for enabling the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket still further defining a write-protect ("WP") notch at a first pre-set location on an edge of said jacket, said system comprising, a write-protect ("WP") punch comprising a plunger and a plate cooperating with and spaced from said plunger to receive an edge of said jacket therebetween, and a spacer to position said WP punch over a second pre-set location on the edge of said jacket, said second pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said spacer having a pre-established dimension corresponding to the distance between a reference point on said jacket and said second pre-set location, and said spacer being attached to said WP punch, said WP punch comprising a stop means stopping insertion of said jacket edge between said WP plunger and said WP plate when said second pre-set location has traversed no more than ninety percent of the width of the area directly beneath said plunger.

Claim 24

A system for enabling the use of both sides of a conventional floppy disk/jacket unit, said unit jacket defining a first access slot to one side of said disk and a second access slot to the opposite side of said disk, said jacket still further defining a write-protect ("WP") notch at a first pre-set location on an edge of said jacket, said system comprising, a write-protect ("WP") punch comprising a plunger and a plate cooperating with and spaced from said plunger to receive an edge of said jacket therebetween, and a spacer to position said WP punch over a second pre-set location on the edge of said jacket, said second pre-set location bearing the same spacial relationship to said second access slot as said first pre-set location does to said first access slot, said spacer having a pre-established dimension corresponding to the distance between a reference point on said jacket and said second pre-set location, and said spacer being attached to said WP punch, said WP punch comprising a stop means stopping insertion of said jacket edge between said WP plunger and said WP plate when said second pre-set location has traversed no more than ninety percent of the width of the area directly beneath said plunger.