Videocassette tape spool having a wear button

Details Videocassette tape spool having a wear button Videocassette tape spool having a wear button

1986-06-10

1988-06-21

Fidei, David T.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242199, 206405, 206406, B65H 7518

Patent

active

047520469

ABSTRACT:
A tape spool provides resistance to disassembly from shocks caused by rough handling by providing an annular hub projection extending axially of the spool hub to define a shoulder which interacts with an inner radial wall of a disk providing the second flange of the spool. The inner radial wall of the disk defines a central hole surrounding the hub projection, with contact between the radial wall of the disk and the shoulder of the hub restricting radial movement of the disk with respect to the hub. The disk and the hub also may include intermeshing splines which prevent relative rotation of the disk and the hub.

REFERENCES:
patent: 2790609 (1957-04-01), Hawthorne et al.
patent: 3227269 (1966-01-01), Martinez et al.
patent: 3389872 (1968-06-01), Lymann

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