Trapezoidal coil for fiber optic gyroscopes

Details Trapezoidal coil for fiber optic gyroscopes Trapezoidal coil for fiber optic gyroscopes

2007-01-30

2007-01-30

Matecki, Kathy (Department: 3654)

Winding, tensioning, or guiding

Bobbin or spool

Cop-tube type

C242S118700

Reexamination Certificate

active

10876327

ABSTRACT:
A trapezoidal bobbin for providing a foundation for a coil of optical fiber comprises an elongated hub, an upper flange and a lower flange. The elongated hub includes a longitudinal axis, a first end, a second end and an exterior surface. The hub is symmetrically disposed about the longitudinal axis. The upper flange is disposed at the first end of the hub, and includes an exterior surface that is substantially perpendicular to the longitudinal axis and faces away from the hub. The upper flange is further includes an interior surface that forms an angle of substantially 60 degrees with respect to the longitudinal axis. The lower flange is disposed at the second end of the hub, and includes an exterior surface that is substantially perpendicular to the longitudinal axis and facing away from the hub, and an interior surface forming an angle of substantially 60 degrees with respect to the longitudinal axis.

REFERENCES:
patent: 4182500 (1980-01-01), Schlicker
patent: 4369389 (1983-01-01), Lambrecht
patent: 4471920 (1984-09-01), Ditton et al.
patent: 4995698 (1991-02-01), Myers
patent: 5181270 (1993-01-01), Hsu et al.
patent: 5205510 (1993-04-01), Schotter
patent: 5211789 (1993-05-01), Christian et al.
patent: 5245687 (1993-09-01), Usui
patent: 5492281 (1996-02-01), Blaszyk et al.
patent: 2002/0179760 (2002-12-01), Gregory

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