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US 7,407,125 B2Granted
Recording tape cartridge and driving device
AssigneeFUJIFILM Corporation
InventorHideaki Shiga
Life of this patent
Estimating the term…
Abstract
In a recording tape cartridge provided with a reel having a hub at which a recording tape is wound, a case that accommodates the reel such that the reel is rotatable, and an opening formed at the case from which a leader member attached to a distal end of the recording tape is pulled out, the hub is formed in a substantial barrel shape. Further, the hub of a take-up reel of a drive device into which the recording tape cartridge is loaded is formed in a substantial barrel shape.
Claims19
A recording tape cartridge, comprising:
- a reel having a recording tape wound at a hub;
- a case accommodating the reel such that the reel is rotatable;
- and
- an opening formed at the case from which a leader member attached to a distal end of the recording tape is pulled out, wherein
- the hub is formed in a substantial barrel shape, and
- the recording tape is wound such that the recording tape is regulated at a substantially central portion of the hub in a transverse direction of the hub;
- and
- wherein the difference between the maximum radius and the minimum radius of the hub is from 0.03 mm to 0.30 mm.
5 more elements
:
- A drive device, comprising a take-up reel that winds up a recording tape pulled out from a recording tape cartridge loaded into the drive device, wherein
- a hub of the take-up reel is formed in a substantial barrel shape, and
- the recording tape is wound such that the recording tape is regulated at a substantally central portion of the hub in a transverse direction of the hub;
- and
- wherein the difference between the maximum radius and the minimum radius of the hub is from 0.03 mm to 0.30 mm.
2 more elements
Dependencies are inferred from the claim text.