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Class Information
Number: 242/118.41
Name: Winding, tensioning, or guiding > Bobbin or spool > Double-headed spool > Plural spools axially connected
Description: Winding cores including at least two flanged spools secured together flange-to-flange or end-to-end for common rotation about the axis of the joined spool.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7100856 |
Thread spool and bobbin holder |
Sep. 5, 2006 |
| 7028781 |
Deep-well, continuous-coiled-tubing apparatus and method of use |
Apr. 18, 2006 |
| 6725793 |
Bobbin for sewing machine |
Apr. 27, 2004 |
| 6598824 |
Electrical and mechanical coil system for dual and single action solenoids |
Jul. 29, 2003 |
| 6533216 |
System and methods for providing under-wrap access to optical fiber wound onto spools |
Mar. 18, 2003 |
| 6511010 |
Optical fiber management installation appliance |
Jan. 28, 2003 |
| 6435450 |
Multi-compartment paralleling reel having independent compartments |
Aug. 20, 2002 |
| 6311912 |
Shuttle bobbin for sewing machines |
Nov. 6, 2001 |
| 5704478 |
Centering bush |
Jan. 6, 1998 |
| 5354012 |
Bobbin for rotatable, releasable attachment to identical bobbins |
Oct. 11, 1994 |
| 5335874 |
Connectorized optical fiber cable reel |
Aug. 9, 1994 |
| 5332989 |
Horizontal compartmentized square bobbin of high-voltage transformer |
Jul. 26, 1994 |
| 5211353 |
Spool with an integral bobbin holder |
May. 18, 1993 |
| 5078331 |
Sewing machine bobbin and mini-spool rotatably mounted thereon |
Jan. 7, 1992 |
| 5058821 |
Coil bobbin |
Oct. 22, 1991 |
| 5033228 |
Tackle holder for fishermen |
Jul. 23, 1991 |
| 4980664 |
Transformer bobbin |
Dec. 25, 1990 |
| 4947900 |
Winding template for coils drawable into the stator of an electrical machine |
Aug. 14, 1990 |
| 4904975 |
Coil Former for a high-voltge transformer |
Feb. 27, 1990 |
| 4837544 |
Spiral windings |
Jun. 6, 1989 |
| 4824041 |
Bobbin-receiving spool for sewing thread and the like |
Apr. 25, 1989 |
| 4819892 |
Yarn carrier for winding a filamentary thread and a method of forming a thread reserve |
Apr. 11, 1989 |
| 4739945 |
Spool for winding thereon flexible elongate materials |
Apr. 26, 1988 |
| 4736579 |
Variable length bobbin holder for a textile machine |
Apr. 12, 1988 |
| 4733832 |
Cable winding device |
Mar. 29, 1988 |
| 4720986 |
Spool mounting apparatus and method of using the same |
Jan. 26, 1988 |
| 4716394 |
Bobbin device |
Dec. 29, 1987 |
| 4696438 |
Spool for holding optical fiber |
Sep. 29, 1987 |
| 4667896 |
Three flange cable spool |
May. 26, 1987 |
| 4662572 |
Method of forming inductor coils with mechanically coupleable bobbins |
May. 5, 1987 |
| 4583315 |
Supply and dispenser device for fishing lines and like threads |
Apr. 22, 1986 |
| 4569491 |
Spool package |
Feb. 11, 1986 |
| 4462016 |
Inductor coils with mechanically coupleable bobbins |
Jul. 24, 1984 |
| 4418877 |
Fishing reel |
Dec. 6, 1983 |
| 4386621 |
Wind-up mechanism for a tiltable umbrella |
Jun. 7, 1983 |
| 4250479 |
Transformer bobbin assembly |
Feb. 10, 1981 |
| 4155519 |
Findings structure |
May. 22, 1979 |
| 4103268 |
Dual coil hinged bobbin assembly |
Jul. 25, 1978 |
| 4076185 |
Duplex spool for an open face spinning reel |
Feb. 28, 1978 |
| 3985359 |
Portable sports court boundary |
Oct. 12, 1976 |
| 3958328 |
Method of making a transformer coil assembly |
May. 25, 1976 |
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