Spare tire carrier lock

A lock for a spare tire carrier having a hoist shaft, said lock comprising:

• a split body split lengthwise comprising at least two body sections, said split body having a first end and an opposite second end, said first end having a tapered seat, said split body having an exterior surface having a polygonal shape;
• a tapered armature structured for taperingly interfacing with said seat, wherein movement of said armature into said seat in a direction toward said second end results in said at least two body sections increasingly separating from each other;
• a frustoconical head located at said second end of said split body, said frustoconical head having a width that is maximum adjacent said split body and conically converges with increasing distance from said split body, said head having a center recess;
• movement means for moving said armature into said seat, wherein said movement means comprises:
• said split body having a body shaft extending from said tapered seat to said second end;
• a lock bolt having a portion thereof located in
• said body shaft, said lock bolt having a lock bolt head;
• and
• said armature having a threaded bore;
• wherein said lock bolt is threadably engaged with said threaded bore, wherein said lock bolt head is fully received in said center recess of said head to thereby hold said frustoconical head to said split body in freely rotatable relation to said split body;
• drive pattern means connected with said movement means for providing an engagement location for actuating said movement means, wherein said drive pattern means is located at said lock bolt head;
• and
• key driver means for actuating said movement means, said key driver means having driving pattern means for complementarily interfacing with said drive pattern means;
• wherein when said driving pattern means is engaged with said drive pattern means, said key driver means is enabled to actuate said movement means.