Tape reel
AssigneeHitachi Maxell, Ltd.
InventorsYoshiaki Higashisaka, Hirofumi Sakagami
Life of this patent
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Abstract
The tape reel of the present invention includes: a cylindrical hub for winding recording tape; and a pair of upper and lower flanges respectively projecting circumferentially from upper and lower portions of the hub. The tape reel further comprises: a lower piece including the lower flange and a first cylinder wall formed integrally with the lower flange; and an upper piece including the upper flange and a second cylinder wall formed integrally with the upper flange. The hub is formed in a double cylinder form by a fit engagement between the first cylinder wall of the lower piece and the second cylinder wall of the upper piece.
Claims13
A tape reel comprising:
- a cylindrical hub for winding recording tape;
- and a pair of upper and lower flanges respectively projecting circumferentially from upper and lower portions of the hub,
- wherein the tape reel further comprises:
- a lower piece including the lower flange and a first cylinder wall formed integrally with the lower flange;
- and an upper piece including the upper flange and a second cylinder wall formed integrally with the upper flange,
- the hub is formed in a double cylinder form by a fit engagement between the first cylinder wall of the lower piece and the second cylinder wall of the upper piece,
- wherein the lower piece forms a cylindrical body with a bottom composed of a hub bottom wall and the first cylinder wall,
- in the inside the cylindrical body with the bottom, a mounting groove is formed on an outer peripheral portion of the hub bottom wall, and
- an end portion of the second cylinder wall of the upper piece is fitted into and is in engagement with the mounting groove.
A tape reel comprising:
- a cylindrical hub for winding recording tape;
- and a pair of upper and lower flanges respectively projecting circumferentially from upper and lower portions of the hub,
- wherein the tape reel further comprises:
- a lower piece including the lower flange and a first cylinder wall formed integrally with the lower flange;
- and an upper piece including the upper flange and a second cylinder wall formed integrally with the upper flange,
- the hub is formed in a double cylinder form by a fit engagement between the first cylinder wall of the lower piece and the second cylinder wall of the upper piece,
- wherein of the first and the second cylinder walls that form the hub, an inner cylinder includes a notch formed to expose an outer cylinder wall, and a portion of the hub on which the notch is formed is in a single cylinder form.
Dependencies are inferred from the claim text.