Loading post driving device having first and second loading rings held only by a loading ring guide

A loading post driving device comprising:

• a chassis including a mechanism comprising first and second loading posts for drawing a magnetic tape out of a tape cassette and winding the magnetic tape around a rotary head cylinder having a rotary head installed therein;
• first and second loading rings, each having a teeth region along an outer periphery of said ring, and being rotatably drivable by a drive source to respectively drive said first and second loading posts;
• first and second connector means for respectively connecting said first and second loading posts and said first and second loading rings to each other;
• and
• a loading ring guide, mounted on said chassis and having an integral one-piece construction, for rotatably holding said first and second loading rings, said first and second loading rings being held only by said loading ring guide.