Magnetic tape reel setup

Claim 2

A magnetic computer tape reel setup for utilization in storage and use, comprising (1) a plastic hub member having an axis of revolution and having flat surfaces perpendicular to that axis, one toward each end of the hub, with each of the two mentioned surfaces having a groove annular about that axis, (2) an identificatory member which has a cylindrical outer edge with identificatory matter on it and an opening in it large enough for passage of magnetic computer tape and which identificatory member has two side members spaced sufficiently apart to permit tape to build up on the hub in between, which side members extend to a plastic annular projection in each side, each of which projections slidably interfits with a different one of the grooves, the identificatory member being removable from the hub, and (3) for storage a cover having an inner fastener to which the end of the tape is removably attached, which cover covers the opening during storage.

Claim 3

A setup of claim 1, in which the cover in effect constitutes a spring member whose spring action tends to bring its end portions further apart and there are two tonGue-and-groove type interacting fastening means, each of which is on a different one of these end portions and the respective nearby portion of the identificatory member, for fastening the respective end portions and above nearby portions together, when the cover is in closure position.

Claim 4

A setup for magnetic computer tape comprising (1) a teflon annular hub member having an axis of rotation and adapted to be rotated by a tape drive, which hub member has flat surfaces perpendicular to the axis of the hub member, one toward each end of the hub, each of the two mentioned flat surfaces having a groove extending in a complete circle around the axis of the hub member as its center, which groove is semi-circular in cross-section, and said hub member having a radially outside surface cylindrical about the axis of the hub member as its center, which radially outside surface is adapted to have magnetic tape mounted reel-fashion upon it, (2) an identificatory member made of plastic and in outline cylindrical around the axis of the hub member which identificatory member has an outer edge portion with an opening in it for the tape to go in and out of in winding and unwinding in use respectively and identificatory matter on the outer edge portion near but not flush against the opening, and two side portions each extending unbrokenly from the outer edge portion at least to a circle which is just axially beyond the respective previously mentioned flat surfaces toward the end of the hub member and at least as far in from the radial standpoint as the previously mentioned groove, the side portions each having an annular axially inward projection semi-circular in cross-sectional outline slidably interfitting with the respective grooves in the adjacent surfaces of the hub member, the identificatory member being made up of two separable sub-members having means for being snap fit together in the outer edge portion of the identificatory member, which means for snap fitting holds them together in rotation and storage, the outer edge portion of the identificatory member ending in a single edge at each end of the opening and (3) a flexible cover portion included in the setup in storage and having a groove at each end respectively fitting over those edges, tape-end holding means on the inside of the cover portion holding the outer end of the tape, and two spaced projections on the outside of the cover portion, the cover portion having a spring-like tendency to straighten itself and thus keep the grooves in place on the single edges and being adapted by means of a user''s fingers exerting inward force on the outside of the projections to have its curvature increased and its ends brought together to release it from its position over the opening.

Claim 5

A setup for magnetic computer tape comprising (1) a teflon annular hub member having an axis of rotation and adapted to be rotated by a tape drive, which hub member has flat surfaces perpendicular to the axis of the hub member, one toward each end of the hub, each of the two mentioned flat surfaces having a groove extending in a complete circle around the axis of the hub member as its center, which groove is semi-circular in cross-section, and said hub member having a radially outside surface cylindrical about the axis of the hub member as its center, which radially outside surface is adapted to have magnetic tape mounted reel-fashion upon it, (2) an identificatory member made of plastic and in outline cylindrical around the axis of the hub member which identificatory member has an outer edge portion with an opening in it for the tape to go in and out of in winding and unwinding in use respectively and identificatory matter on the outer edge portion near but not flush against the opening, and two side portions each extending unbrokenly from the outer edge portion at least to a circle which is just axially beyond the respective previously mentioned flat surfaces toward the end of the hub member and at least as far in from the radial standpoint as the previously mentioned groove, the side portions each having an annular axially inward projection semi-circular in cross-sectional outline slidably interfitting with the respective grooves in the adjacent surfaces of the hub member, the identificatory member being made up of two separable sub-members having means for being snap fit together in the outer edge portion of the identificatory member, which means for snap fitting holds them together in rotation and storage, the outer edge portion of the identificatory member ending in a single edge at each end of the opening and (3) a flexible cover portion included in the setup in storage and having a groove at each end respectively fitting over those edges, tape-end holding means on the inside of the cover portion holding the outer end of the tape, and two spaced projections on the outside of the cover portion, the cover portion having a spring-like tendency to straighten itself and thus keep the grooves in place on the single edges and being adapted by means of a user''s fingers exerting inward force on the outside of the projections to have its curvature increased and its ends brought together to release it from its position over the opening.

Claim 6

A removable cover for placing over the outside of an opening which extends at least partway along one semi-circular distance of the circumferential edge of a magnetic tape reel, comprising (1) an impervious strip-form body member constituting an impervious shield member of a size to cover the opening and having ends longitudinally of the strip each having a mating surface and adapted to fit against respectively cooperating elements on the reel which have a mating surface circumferentially beyond the corresponding mating surface of the strip, the body member having a spring-like flexibility tending to push the above mating surfaces of the cover against the cooperating mating surfaces on the reel and cause cooperative interfastening of cover and reel and adapted to permit contraction of the body member sufficiently to enable release of the cover from its position over the opening, and (2) a self-contained holding means for the end of the tape, which self-contained holding means is mounted entirely on the body member in a position where any portions of the holding means which may contact the reel are entirely inside of the coverage of the impervious shield constituted by the body member, the body member and holding means being sucH that the cover is adapted to be lifted completely off the reel while retaining hold by the holding means on the end of the tape.

Claim 7

A removable cover for placing over the outside of an opening which extends at least partway along one semi-circular distance of the circumferential edge of a magnetic tape reel, comprising (1) an impervious strip-form body member constituting an impervious shield member of a size to cover the opening and having ends longitudinally of the strip each having a mating surface and adapted to fit against respectively cooperating elements on the reel which have a mating surface circumferentially beyond the corresponding mating surface of the strip, the body member having a spring-like flexibility tending to push the above mating surfaces of the cover against the cooperating mating surfaces on the reel and cause cooperative interfastening of cover and reel and adapted to permit contraction of the body member sufficiently to enable release of the cover from its position over the opening, and (2) a self-contained holding means for the end of the tape, which self-contained holding means is mounted entirely on the body member in a position where any portions of the holding means which may contact the reel are entirely inside of the coverage of the impervious shield constituted by the body member, the body member and holding means being sucH that the cover is adapted to be lifted completely off the reel while retaining hold by the holding means on the end of the tape.

Claim 8

A magnetic tape reel setup comprising in combination (1) a magnetic tape reel having an inner part adapted to have a tape mounted upon it and an outer part adapted to remain stationary when the inner part turns, the outer part having an opening in its outside edge, and (2) a removable cover for that opening in the outside edge of the magnetic tape reel, including (a) a strip-form body member of a size to cover the opening and (b) on the inside of the cover a holding means for the end of the tape, there being intercooperating means including cooperating elements on the ends of the cover and beyond them on the reel to fit together near the ends of the opening, and the body member having a spring-like flexibility tending to push its ends against the cooperating elements on the reel and adapted to permit contraction of the body member to enable release of the cover from its position over the opening.

Claim 9

A magnetic tape reel setup comprising in combination (1) a magnetic tape reel having an inner part adapted to have a tape mounted upon it and an outer part adapted to remain stationary when the inner part turns, the outer part having an opening in its outside edge, and (2) a removable cover for that opening in the outside edge of the magnetic tape reel, including (a) a strip-form body member of a size to cover the opening and (b) on the inside of the cover a holding means for the end of the tape, there being intercooperating means including cooperating elements on the ends of the cover and beyond them on the reel to fit together near the ends of the opening, and the body member having a spring-like flexibility tending to push its ends against the cooperating elements on the reel and adapted to permit contraction of the body member to enable release of the cover from its position over the opening.