Magnetic computer tape reel

Claim 2

A magnetic computer tape reel for use on a rotatable projection of a magnetic computer tape drive, such use being in a place where the outer edge surface of the reel can be looked at any time, and the reel being in the same form both in storage and in use, which reel comprises: a. a hub member adapted to be mounted on the projection to rotate with that projection and having a radially outwardly facing cylindrical surface adapted to support magnetic computer tape in a rolled-up position; b. A bearing setup including a rolling surface contact which bearing setup is mounted on the hub member, and, c. An identificatory member generally cylindrical in outline mounted on the bearing setup and including identificatory material located on the generally cylindrical outside surface of the reel, the structure of the identificatory member being such as to permit passage by the tape between a place outside the reel and the rolled-up position of the tape.

Claim 3

A magnetic computer tape reel of claim 1, in which the bearing setup includes two sets of such bearings including balls, each set toward a different end axially of the hub member, and the identificatory member has two side portions, one located to cooperate with one set of bearings and the other with the other.

Claim 4

A magnetic computer tape reel of claim 2, in which the balls of each set of bearings are located in depressions in faces of the hub member and the identificatory member, which faces are perpendicular to the axis of rotation of the hub member when the hub member is mounted on the rotatable projection.

Claim 5

A magnetic computer tape reel for use on a rotatable projection of a magnetic computer tApe drive, such use being in a place where the outside edge surface of the reel can be looked at any time, which comprises: a. A hub member having a surface adapted to fit upon the rotatable projection in order to mount the hub member upon the projection to rotate therewith the hub member having also a radially outer cylindrical surface adapted to support magnetic computer tape in rolled-up position thereon; b. Two sets of bearings including rolling surface contact which are mounted on the hub member, one on either side axially of the above-mentioned outer cylindrical surface; and c. An identificatory member mounted on the bearings by means of radially extending side portions, one on each side of the above-mentioned rolled-up position of the tape, the identificatory member having also a peripheral portion mostly cylindrical in outline which is radially beyond the above mentioned rolled-up position of tape, on which peripheral portion is located identifactory material, said peripheral portion including structure near the identificatory material, which structure defines an opening sufficient to permit tape to run between a place outside the reel and the above mentioned rolled-up position of the tape, and the peripheral portion extending beyond the cylindrical, in the area where is located the identificatory material, to a place at the edge of the opening where it terminates in a ledge facing the opening.

Claim 6

A magnetic computer tape reel for use on a rotatable projection of a magnetic computer tApe drive, such use being in a place where the outside edge surface of the reel can be looked at any time, which comprises: a. A hub member having a surface adapted to fit upon the rotatable projection in order to mount the hub member upon the projection to rotate therewith the hub member having also a radially outer cylindrical surface adapted to support magnetic computer tape in rolled-up position thereon; b. Two sets of bearings including rolling surface contact which are mounted on the hub member, one on either side axially of the above-mentioned outer cylindrical surface; and c. An identificatory member mounted on the bearings by means of radially extending side portions, one on each side of the above-mentioned rolled-up position of the tape, the identificatory member having also a peripheral portion mostly cylindrical in outline which is radially beyond the above mentioned rolled-up position of tape, on which peripheral portion is located identifactory material, said peripheral portion including structure near the identificatory material, which structure defines an opening sufficient to permit tape to run between a place outside the reel and the above mentioned rolled-up position of the tape, and the peripheral portion extending beyond the cylindrical, in the area where is located the identificatory material, to a place at the edge of the opening where it terminates in a ledge facing the opening.

Claim 7

A magnetic computer tape reel for use on a rotatable projection of a magnetic computer tape drive, such use being in a place where the outside edge surface of the reel can be looked at at any time, the reel being in the same form in both storage and use, which reel comprises: a. a hub member having a surface adapted to be mounted on that projection to rotate therewith and having an outwardly directed cylindrical surface adapted to support magnetic computer tape in rolled-up position; b. two sets of bearings including rolling surface contact by means of balls, which bearing sets are mounted on the hub member, one set toward one end of it axially speaking, and the other set toward the other; and c. an outer member mounted on the bearings to give free rotatability as between outer member and hub member, the outer member having two radially extending sides extending from the bearings to the periphery, one on each side of the above mentioned rolled-up position of the tape, and a peripheral portion beyond that rolled-up position which peripheral portion is mostly cylindrical in outline and connects the sides together but leaves an opening for the tape to run between the interior and exterior of the reel, said peripheral portion including a place on the periphery of the reel adapted for putting identificatory material on, which place extends beyond the cylindrical and terminates in a ledge facing the opening at the edge of the opening.

Claim 8

A magnetic computer tape reel for use on a rotatable projection of a magnetic computer tape drive, such use being in a place where the outside edge surface of the reel can be looked at at any time, the reel being in the same form in both storage and use, which reel comprises: a. a hub member having a surface adapted to be mounted on that projection to rotate therewith and having an outwardly directed cylindrical surface adapted to support magnetic computer tape in rolled-up position; b. two sets of bearings including rolling surface contact by means of balls, which bearing sets are mounted on the hub member, one set toward one end of it axially speaking, and the other set toward the other; and c. an outer member mounted on the bearings to give free rotatability as between outer member and hub member, the outer member having two radially extending sides extending from the bearings to the periphery, one on each side of the above mentioned rolled-up position of the tape, and a peripheral portion beyond that rolled-up position which peripheral portion is mostly cylindrical in outline and connects the sides together but leaves an opening for the tape to run between the interior and exterior of the reel, said peripheral portion including a place on the periphery of the reel adapted for putting identificatory material on, which place extends beyond the cylindrical and terminates in a ledge facing the opening at the edge of the opening.

Claim 9

A magnetic computer tape reel for use on a reel motor hub of a magnetic computer tape drive, which reel comprises: a. an annular hub member located around an axis and having a radially inwardly directed cylindrical surface adapted to be mounted on the hub to turn therewith, the hub member also having as its radially outside surface a first radially outwardly directed cylindrical surface adapted to support magnetic computer tape in rolled-up position thereon, and the hub member having radially extending surfaces perpendicular to the axis and extending toward the axis from the ends of the above mentioned radially outwardly directed cylindrical surfaces extending axially outwardly from the radially inward end of the previously mentioned radially extending surfaces, and pockets adapted to hold balls for bearing purposes in the hub member which pockets form depressions in the radially extending surfaces; b. balls rotatably held in the pockets and protruding through the radially extending surfaces; and c. an identificatory member made of colored, at least translucent, plastic and mounted on the bAlls for overall rotatability relative to the hub portion, this identificatory member having two annular radially extending side portions with grooves on their axially inward sides to serve as races for the balls, said side portions being one on either side of the above mentioned rolled-up position of the tape, and each constituting a continuous unitary wall along its entire side of that position beyond the other radially outwardly directed cylindrical surfaces of the hub member, and a peripheral portion mostly cylindrical in outline which is located on the periphery of the reel, which is also the periphery of the identificatory member, and joining the two side portions together in an area radially beyond the rolled-up position of the tape, the peripheral portion extending between the side portions continuously around the major arc of the periphery of the reel between two places approximately seven-fortieths of the circumference apart, the periphery of the reel between the side portions being open to a width at least as great as that of the tape throughout the minor arc between these two places, and the outside surface of the peripheral portion extending gradually somewhat beyond cylindrical in the area of one of these places and terminating in a ledge facing the open portion at the edge of the open portion and having in that area identificatory material which is upright and legible from a point radially beyond the peripheral portion when the reel is held with that area higher than the open portion of the periphery of the reel, and the identificatory member being functionally a unitary piece when forming part of the device as a whole, and in operation forming with the balls and the hum member a single article though the article has a continuous free capability of relative rotation as between hub member and identificatory member, but the identificatory member having a tongue-and-groove-structured snap-in connection located toward one side of the periphery and running circumferentially throughout the entire previously mentioned major arc in the periphery to join the identificatory member together, which tongue-and-groove-structured snap-in connection will normally be closed out can be opened without permanent injury to the device to permit temporary separation of the identificatory member into two parts, enabling separation of the identificatory member from the balls and the rest of the device.

Claim 10

A magnetic computer tape reel for use on a reel motor hub of a magnetic computer tape drive, which reel comprises: a. an annular hub member located around an axis and having a radially inwardly directed cylindrical surface adapted to be mounted on the hub to turn therewith, the hub member also having as its radially outside surface a first radially outwardly directed cylindrical surface adapted to support magnetic computer tape in rolled-up position thereon, and the hub member having radially extending surfaces perpendicular to the axis and extending toward the axis from the ends of the above mentioned radially outwardly directed cylindrical surfaces extending axially outwardly from the radially inward end of the previously mentioned radially extending surfaces, and pockets adapted to hold balls for bearing purposes in the hub member which pockets form depressions in the radially extending surfaces; b. balls rotatably held in the pockets and protruding through the radially extending surfaces; and c. an identificatory member made of colored, at least translucent, plastic and mounted on the bAlls for overall rotatability relative to the hub portion, this identificatory member having two annular radially extending side portions with grooves on their axially inward sides to serve as races for the balls, said side portions being one on either side of the above mentioned rolled-up position of the tape, and each constituting a continuous unitary wall along its entire side of that position beyond the other radially outwardly directed cylindrical surfaces of the hub member, and a peripheral portion mostly cylindrical in outline which is located on the periphery of the reel, which is also the periphery of the identificatory member, and joining the two side portions together in an area radially beyond the rolled-up position of the tape, the peripheral portion extending between the side portions continuously around the major arc of the periphery of the reel between two places approximately seven-fortieths of the circumference apart, the periphery of the reel between the side portions being open to a width at least as great as that of the tape throughout the minor arc between these two places, and the outside surface of the peripheral portion extending gradually somewhat beyond cylindrical in the area of one of these places and terminating in a ledge facing the open portion at the edge of the open portion and having in that area identificatory material which is upright and legible from a point radially beyond the peripheral portion when the reel is held with that area higher than the open portion of the periphery of the reel, and the identificatory member being functionally a unitary piece when forming part of the device as a whole, and in operation forming with the balls and the hum member a single article though the article has a continuous free capability of relative rotation as between hub member and identificatory member, but the identificatory member having a tongue-and-groove-structured snap-in connection located toward one side of the periphery and running circumferentially throughout the entire previously mentioned major arc in the periphery to join the identificatory member together, which tongue-and-groove-structured snap-in connection will normally be closed out can be opened without permanent injury to the device to permit temporary separation of the identificatory member into two parts, enabling separation of the identificatory member from the balls and the rest of the device.