JPH02117778U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a plan view of a disk cassette to which this invention can be applied, FIG. 2 is a plan view of the inner and outer surfaces of the upper shell of this disk cassette, and FIG. 3 is a plan view of the inner and outer surfaces of the lower shell of this disk cassette. A plan view, FIG. 4 is a partially enlarged view used to explain the shutter lock structure of an embodiment of this invention, and FIGS. 5 and 6 are a front view, bottom view, side view, and sectional view used to explain the structure of the shutter. ,
FIG. 7 is a perspective view used to explain another example of the shutter. Explanation of main symbols in the drawings: 1: magnetic disk, 2: center core, 4: upper shell, 5:
Lower shell, 6: Shutter lock claw, 7: Shutter, 21, 41: Opening where the center core of the magnetic disk is placed, 42: Head insertion window, 29
, 71: Stepped portion, 72, 73, 74, 75: Slit, 79: Guide groove, 94, 95: Cut and raise,
96, 97: Tail part, 99: Tongue piece.

Claims (1)

[Scope of utility model registration request] The U-shape has a first end and a second end, and elasticity is provided between the first end and the second end, and the first end is formed with elasticity. What is claimed is: 1. A shutter lock member for a disk cassette, the shutter lock member having a concave portion with a diameter of 100 mm and a shutter locking protrusion capable of engaging the concave portion with a shutter locking protrusion when the shutter lock member is disposed within a cassette case.