Document Type and Number:
Japanese Patent JPS53114224
Kind Code:
U
Abstract:
The present invention is directed to a hub for use in a tape casette for winding a recording tape around the periphery of the cylindrical surface. The hub includes a drive shaft inserting hole at the center portion thereof; a notch for fastening the end of the recording tape in association with a tape securing member on the peripheral cylindrical surface; a first and a second surface opposed to each other, each surface having an inner annular surface and an outer annular surface; and a resin injection gate surrounded by a concave recess located in the outer annular surface of the first surface. In addition, the present invention includes a recess formed on the outer annular surface of the second surface at a position opposite to the resin injection gate, the bottom face of the recess being substantially parallel to the outer annular surface of the second surface.
Application Number:
JP1938977U
Publication Date:
September 11, 1978
Filing Date:
February 18, 1977
Export Citation:
International Classes:
G03B21/54; G11B23/037; G11B23/087; (IPC1-7): G11B23/04; G03B21/00