Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Cartridge system
Reexamination Certificate
2005-02-15
2005-02-15
Nguyen, John Q. (Department: 3654)
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Cartridge system
C360S132000
Reexamination Certificate
active
06854680
ABSTRACT:
A recording tape cartridge in which contact resistance, which is caused by a door and an inner wall of a case when the door is moved for opening and closing a case opening, is reduced. The case is rectangular and accommodates a reel for winding a tape. The opening is formed by cutting away a case side wall for drawing out a leader pin attached to a tape end portion. The door is formed in a circular arc form in plan view and rotates for opening and closing the opening. The door rotates around a rotation axis which is parallel to a reel rotation axis. The center of rotation of the door is positioned on an axis Y, which intersects a loading direction into a drive device, and a center of rotation of the reel is also positioned on the axis Y. Consequently, a degree of curvature of the door can be moderated, and thus sliding resistance between the door and the case can be reduced.
REFERENCES:
patent: 5570252 (1996-10-01), Sumner et al.
patent: 6663036 (2003-12-01), Ishihara et al.
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