Magnetic tape cassette
AssigneeU.S. Philips Corporation
InventorFranz Werner
Life of this patent
Estimating the term…
Abstract
A tape hub connection assembly, and a magnetic tape cassette containing such an assembly, in which an end of a length of tape is fixed to a reel hub by a clamping member pressed into a hub recess. The clamping member has a tool recess extending radially from the outer wall, for engagement by an assembly or an extraction tool so that the member is easily put in place or removed by a tool extending radially between the reel flanges.
Claims10
A tape hub connection assembly comprising:
- a winding hub having an axis of rotation defining an axial direction, a generally cylindrical outer wall adapted for winding a tape thereon, and a recess in said wall extending generally in said axial direction for receiving an end of a tape to be wound on the hub, and
- a deformable clamping member arranged to be pressed into said recess for fixing the end of a tape wound on the hub,
- characterized in that the clamping member has a wall side facing away from said axis of rotation, said wall side being generally cylindrical about said axis and having a tool recess extending toward said axis, said tool recess being adapted for insertion of an assembly tool therein, and
- the clamping member further comprises means permitting deformation of the member while an assembly tool is inserted in the tool recess so that the member can be pressed in a radial direction towards said axis into the hub recess.
A tape hub connection assembly comprising:
- a winding hub having an axis of rotation defining an axial direction, a generally cylindrical outer wall adapted for winding a tape thereon, and a recess in said wall extending generally in said axial direction for receiving an end of a tape to be wound on the hub, and
- a deformable clamping member arranged to be pressed into said recess for fixing the end of a tape wound on the hub,
- characterized in that the clamping member comprises a hollow tubular portion defining a cavity extending in a direction generally parallel to said axis of rotation;
- an outer portion having a wall side facing from said axis of rotation;
- and a connecting portion between said hollow tubular and outer portions having a dimension circumferential to said axis of rotation less than a corresponding dimension of the tubular and outer portions;
- and
- said clamping member has a tool recess extending in a direction radial to said axis of rotation and communicating between said wall side and the cavity.
A tape cassette comprising a housing, two winding reels disposed in the housing and rotatable about parallel axes of rotation, each reel having a winding hub and a flange at each end of the winding hub,
- each winding hub having an axis of rotation defining an axial direction, a generally cylindrical outer wall adapted for winding a tape thereon, and a recess in said wall extending generally in said axial direction for receiving an end of a tape to be wound on the hub, and
- a deformable clamping member arranged to be pressed into said recess for fixing the end of a tape wound on the hub,
- characterized in that the cassette housing and reels are arranged such that the clamping members are accessible only through a space between the reel flanges,
- each clamping member has a wall side facing away from said axis of rotation,
- characterized in that the clamping member has a wall side facing away from said axis of rotation, said wall side being generally cylindrical about said axis and having a tool recess extending toward said axis, said tool recess being adapted for insertion of an assembly tool therein,
- the clamping member further comprises means permitting deformation of the member while an assembly tool is inserted in the tool recess so that the member can be pressed in a radial direction towards said axis into the hub recess, and
- the clamping member has a length in the axial direction at least as small as the distance between the flanges of the respective reel, whereby the clamping members can be inserted and removed radially from between the reel flanges.
Dependencies are inferred from the claim text.