Recording tape cartridge
AssigneeFuji Photo Film Co., Ltd.
InventorKazuo Hiraguchi
Life of this patent
Estimating the term…
Abstract
Structure of a lower case that reinforces a recording tape cartridge. At an inner side of the lower case, an annular projecting portion is provided along and at an inner side of a reel area rib that demarcates a reel area, raising stiffness of the case. At a periphery of a hole for positioning, which is formed in an outer face of the lower case, a recessed surface, which provides a height direction reference surface, is formed. At the inner side of the lower case, a boss is formed in correspondence to the hole for positioning. The boss is located along an outer face of the reel area rib. A thickness-enhancing portion is formed at the periphery of a base portion of the boss. Thus, thickness at the reference surface, that is, the recessed surface, is substantially the same as thickness at portions therearound.
Claims20
A recording tape cartridge which accommodates a recording tape and is loaded at a drive device for use, the recording tape cartridge comprising:
- a reel at which the recording tape is wound;
- and
- a case which includes an inner face on which the reel is disposed, the case accommodating the reel,
- wherein the case includes:
- a rib which protrudes on the inner face and bounds a region accommodating the reel, and
- an annular protruding surface formed on the inner face, which surface is adjacent to and located at an inner side of the rib.
A recording tape cartridge which accommodates a recording tape and is loaded at a drive device for use, the recording tape cartridge comprising:
- a reel at which the recording tape is wound;
- and
- a case which includes an inner face on which the reel is disposed, the case accommodating the reel,
- wherein the case includes:
- an outer face obverse to the inner face;
- a recessed surface at the outer face for providing a reference surface for a height direction of the recording tape cartridge;
- and
- a protruding surface formed at the inner face for a region corresponding to at least the recessed surface.
Dependencies are inferred from the claim text.