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US 7,347,397 B2Granted
Reel and recording tape cartridge
AssigneeFUJIFILM Corporation
InventorsRen Ishikawa, Teruo Ashikawa
Life of this patent
Estimating the term…
Abstract
A reel includes a hub around which recording tape is wound and flanges that are disposed on both end portions of the hub and hold width direction end portions of the recording tape. The hub includes a cylindrical reinforcement ring, a resin ring integrally molded on the outer peripheral surface of the reinforcement ring, and a consecutive portion made of resin that covers one end portion of the reinforcement ring and is continuous with the resin ring. Exposure portions where the one end portion of the reinforcement ring is exposed are formed in the consecutive portion.
Claims30
A reel comprising:
- a hub around which recording tape is wound;
- and
- flanges that are disposed on both end portions of the hub and hold width direction end portions of the recording tape,
- wherein
- the hub includes
- a cylindrical reinforcement ring,
- a resin ring integrally molded on the outer peripheral surface of the reinforcement ring, and
- a consecutive portion made of resin that covers one end portion of the reinforcement ring and is continuous with the resin ring,
- and exposure portions where the one end portion of the reinforcement ring is exposed are formed in the consecutive portion.
6 more elements
A reel comprising:
- a hub around which recording tape is wound;
- and
- flanges that are disposed on both end portions of the hub and hold width direction end portions of the recording tape,
- wherein
- each of the flanges includes projections,
- the hub includes
- a reinforcement ring in which anti-rotation grooves that fit together with the projections formed on the flanges to regulate movement of the hub in the circumferential direction are formed in one end portion,
- a resin ring integrally molded on the outer peripheral surface of the reinforcement ring,
- a consecutive portion made of resin that covers the other end portion of the reinforcement ring and is continuous with the resin ring, and
- second ribs that are formed continuously with the consecutive portion in the inner peripheral surface of the reinforcement ring and whose width becomes wider near the consecutive portion,
- and exposure portions where the other end portion of the reinforcement ring is exposed are formed in the consecutive portion.
8 more elements
Dependencies are inferred from the claim text.