Spool for receiving a windable skein material

Details Spool for receiving a windable skein material Spool for receiving a windable skein material

2006-03-08

2009-11-03

Kim, Sang (Department: 3654)

Winding, tensioning, or guiding

Coil holder or support

Spool or core

C242S608200, C242S608500, C242S608600, C242S118400

Reexamination Certificate

active

07611089

ABSTRACT:
Spool for receiving wound skein material with a rotationally symmetrical conical spool body (10) with a detachable flange disc (14) at the end with the smaller diameter, in which the flange disc (14) and spool body (10) have ring surfaces (18, 20) on their facing surfaces, locking projections (20, 22) extend from the ring surface of one or both part(s) in the direction of the other ring surface, detent recesses (24, 26) to receive the locking projections are provided in the ring surface of one or both part(s), the locking projections and detent recesses can be locked in the manner of a bayonet catch by mutually rotating the spool body and the flange disc, and aligned with the detent recesses are spring-loaded tongues (38) which engage behind the locking projections in the connected position of the parts, and prevent the parts from untwisting.

REFERENCES:
patent: 3796387 (1974-03-01), Zielke
patent: 5593108 (1997-01-01), Eck et al.
patent: 5779186 (1998-07-01), Bakker et al.
patent: 5803401 (1998-09-01), Matsuzoe
patent: 6089500 (2000-07-01), Hafner
patent: 6343765 (2002-02-01), Wen
patent: 2007/0181739 (2007-08-01), Derendal
patent: 2007/0262192 (2007-11-01), Derendal
patent: 197 00 185 (1998-07-01), None
patent: 197 06 832 (1998-07-01), None
patent: 298 22 211 (1999-02-01), None
patent: 02/08107 (2002-01-01), None

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