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Class Information
Number: 242/573.2
Name: Winding, tensioning, or guiding > Coil holder or support (e.g., spindle, dispenser, or spool) > Radially expansible or contractile > Longitudinally shiftable operator > Cam and follower > Longitudinally spaced cams
Description: Subject matter wherein the axially movable actuator includes plural wedgelike or lobed members or coactive elements disposed at axially separated points on the movable actuator so that the member or element is shiftable in an axial direction.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6405970 |
Alignin core shaft |
Jun. 18, 2002 |
| 6227479 |
Sealing strip separation film retriever and method |
May. 8, 2001 |
| 6113025 |
Coil holder for at least one coil having a displacing element which moves clamping elements between a clamping position and a releasing position |
Sep. 5, 2000 |
| 5984544 |
Paper core locator |
Nov. 16, 1999 |
| 5683057 |
Core chuck |
Nov. 4, 1997 |
| 5673871 |
Lubricating device for an expanding reel mandrel |
Oct. 7, 1997 |
| 5509619 |
Printing equipment accessory, especially for making proof prints |
Apr. 23, 1996 |
| 5211349 |
Sleeve and reel for winding strip into coil |
May. 18, 1993 |
| 5165620 |
Expanding roll core spindle |
Nov. 24, 1992 |
| 4911376 |
Expandable shaft |
Mar. 27, 1990 |
| 4893761 |
Air pressure activated collet |
Jan. 16, 1990 |
| 4830299 |
Tube gripping system for a winder chuck |
May. 16, 1989 |
| 4773656 |
Clamping shaft |
Sep. 27, 1988 |
| 4767125 |
Expansion chuck |
Aug. 30, 1988 |
| 4765562 |
Device for positioning and holding a yarn support tube during an operation of unwinding or winding |
Aug. 23, 1988 |
| 4667890 |
Coreless winder |
May. 26, 1987 |
| 4492346 |
Positive retracting mechanical expansible shaft |
Jan. 8, 1985 |
| 4469288 |
Expansible shaft with actuator retaining member and spherical bearing surface |
Sep. 4, 1984 |
| 4433814 |
Core-engager retainer for an expansible shaft |
Feb. 28, 1984 |
| 4243468 |
Roofing machine |
Jan. 6, 1981 |
| 4107969 |
Hot strip coiling mandrel |
Aug. 22, 1978 |
| 3977616 |
Yarn winding apparatus |
Aug. 31, 1976 |
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