Winding – tensioning – or guiding – Coil holder or support – Spool or core
Reexamination Certificate
2007-08-07
2007-08-07
Rivera, William A. (Department: 3654)
Winding, tensioning, or guiding
Coil holder or support
Spool or core
Reexamination Certificate
active
11443120
ABSTRACT:
A protective cover is detachably fixed onto a spool to protect an optical fiber wound on the spool. The protective cover includes a pair of half-cylindrical cover members coupled together by a hinge and locked together by a locking mechanism. When an external force allows a pair of hinge members of the hinge to abut together, edges of the cover members are apart from each other at an angle of 2 to 7 degrees as viewed with respect to the center of the hinge. The edges of the cover members are then abut together by an additional external force to lock the locking mechanism.
REFERENCES:
patent: 1808018 (1931-06-01), Charles
patent: 2452378 (1948-10-01), Hudson
patent: 4635789 (1987-01-01), Webb
patent: 5251839 (1993-10-01), Zander et al.
patent: 5482223 (1996-01-01), Bresina et al.
patent: 2001-2323 (2001-01-01), None
“ABS Rib-Flanged Shiping Spool And K-Resin® Spool Cover”, Corning Optical Fiber Application Note AN04 issued in Apr. 1991, pp. 1-4.
Oku Masato
Sakata Yoshiyuki
Suzuki Takashi
Tateishi Toshiaki
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Rivera William A.
The Furukawa Electric Co. Ltd.
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