Tape cartridge
OwnerE. Dean Morleyinventor
Life of this patent
Estimating the term…
Abstract
A cartridge for an endless magnetic tape which includes a tape reel, a pressure roller and a drive connection between the pressure roller and a portion of the tape reel. In this way, the pressure roller can be utilized to drive that portion of the tape reel with which it is connected. The tape reel comprises two discs each having a hub portion. The hub portions serve to align the discs in assembly. One of the discs has a plurality of rollers concentrically arranged with respect to its hub portion around which a tape roll is formed. The other disc has a plurality of tape-engaging ribs extending outwardly from one surface and a rotation imparting structure extending outwardly from the other surface.
Claims1
A cartridge for an endless magnetic tape, comprising:
- a. a housing;
- b. a disc mounted within said housing for rotation relative thereto and about a first axis, said disc including rotation imparting means extending from one surface thereof, a hub portion extending from the other surface thereof, said rotation imparting means and said hub portion defining said first axis, and a plurality of tape engaging ribs which extend outwardly from the other surface thereof;
- c. tape roll forming means mounted within said housing to be stationary therewith and defining an axis coincident with said first axis, said tape roll forming means including a further disc provided with a slot through which a magnetic tape passes, a hub portion extending from said further disc and defining said coincident axis and a plurality of annularly spaced rollers also extending from said further disc and concentrically arranged about said portion, with the two hub portions forming aligning means for the assembly of said disc and tape roll forming means into a tape reel, and with said rollers forming a hub about which a magnetic tape is spirally wound
- c. a first roller mounted within said housing for rotation relative thereto and about a second axis, said roller including tape engaging means;
- d. a second roller mounted within said housing for rotation relative thereto and about a third axis, said roller including tape-engaging means and rotation transmitting means;
- e. an endless magnetic tape spirally wound into a roll about said tape roll forming means, said tape extending from the inner radius of said tape roll through the slot in said further disc into engagement with the tape engaging means of said first and second roller to define thereby a predetermined path of travel;
- and
- f. means connecting said rotation imparting means and said rotation transmitting means for imparting rotation to said disc and tape roll in relation to the rotation of said second roller, wherein:
- i. said rotation transmitting means comprises an extension of said second roller;
- ii. said rotation imparting means and said rotation transmitting means form annular grooves within which said connecting means are received;
- iii. the diameter of the annular groove defined by said rotation imparting means is greater than the diameter of said rotation transmitting means'
- iv. said second roller exclusive of said rotation transmitting means is formed of rubber;
- v. said connecting means is a flexible endless member;
- and
- vi. said ribs have inclined surfaces which increase in height in their extent away from said hub portion such that only a limited portion of the tape roll near the outer radius thereof engages said ribs.
Dependencies are inferred from the claim text.