Patent EP0163293A2 successfully refreshed from Google Patents.
EP0163293A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Tape cartridge
Assignee: Hitachi Ltd
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Filing: 1985-05-29
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Granted: —
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Expires: 2005-05-29
Abstract
Abstract O In a tape cartridge of the type having a pocket for drawing out a recording tape from the cartridge for tape loading and a shutter slidably mounted on the bottom portion of the cartridge for opening and closing the bottom opening of the pocket, there are provided a plurality of ribs extending in frontward and backward directions on the inner face of the shutter so as to assure a smooth sliding movement of the shutter.
Inventors
- 👤 Takashi Sumida
- 👤 Sigeo Sasaki
- 👤 Takao Ketori
- 👤 Kazuhiro Fujita
- 👤 Kenji Ogiro
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 09:24
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
105 words
In a tape cartridge having a cartridge case, a pocket formed in the front portion of the cartridge case in the form of an opened space for enabling tape loading and a shutter means mounted to the bottom portion of the cartridge case so as to move in the frontward and backward directions of the cartridge case along the bottom face of the cartridge case for opening and closing the lower opening of the pocket, the improvement comprises rib means formed on any one of the opposed faces between the shutter means and cartridge case so as to slidably contact partially to another opposed face.
Claim 2
Dependent Claim
105 words
In a tape cartridge having a cartridge case, a pocket formed in the front portion of the cartridge case in the form of an opened space for enabling tape loading and a shutter means mounted to the bottom portion of the cartridge case so as to move in the frontward and backward directions of the cartridge case along the bottom face of the cartridge case for opening and closing the lower opening of the pocket, the improvement comprises rib means formed on any one of the opposed faces between the shutter means and cartridge case so as to slidably contact partially to another opposed face.
Claim 3
Dependent Claim
44 words
The tape cartridge according to claim 1, wherein said shutter means comprises a main wall for facing to the bottom face of the cartridge case and a pair of vertical walls protruded vertically from the left and right end portions of the main plate.
Claim 4
Dependent Claim
64 words
The tape cartridge according to claim 2, wherein said rib means are formed on the inner surface of the left half portion and right half portion of the main wall and on the innner surface of the central portion with respect to the top and bottom directions in the vertical walls, each of the rib means being extended in the frontward and backward directions.
Claim 5
Dependent Claim
16 words
The tape cartridge according to claim 1, wherein said shutter means is made of plastic resin.
Claim 6
Dependent Claim
15 words
The tape cartridge according to claim 1, wherein said shutter means is made of metal.
Claim 7
Dependent Claim
143 words
In a tape cartridge having a cartridge case, a pocket formed in the front portion of the cartridge case in the form of an opened space for enabling tape loading and a shutter means mounted to the bottom portion of the cartridge case so as to move in the frontward and backward directions of the cartridge case along the bottom face of the cartridge case for opening and closing the lower opening of the pocket, the improvement comprises rib means formed on the inner face of the shutter means facing to the cartridge case so as to slidably contact partially to the cartridge case and a guide slot formed on the outer face of the shutter means at the position opposite to the rib means for guiding a lock releasing member of a tape player entered in the inside of the cartridge case.
Claim 8
Dependent Claim
143 words
In a tape cartridge having a cartridge case, a pocket formed in the front portion of the cartridge case in the form of an opened space for enabling tape loading and a shutter means mounted to the bottom portion of the cartridge case so as to move in the frontward and backward directions of the cartridge case along the bottom face of the cartridge case for opening and closing the lower opening of the pocket, the improvement comprises rib means formed on the inner face of the shutter means facing to the cartridge case so as to slidably contact partially to the cartridge case and a guide slot formed on the outer face of the shutter means at the position opposite to the rib means for guiding a lock releasing member of a tape player entered in the inside of the cartridge case.
References Cited (Backward Citations)
No citation records indexed.
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