Locking member for joining portions of an assembly

An assembly, comprising:

• a housing structure comprising a plurality of walls that cooperate to form a cavity, wherein a first recess is disposed along an interior surface of a select one of the plurality of walls;
• an internal structure disposed within the cavity, the internal structure comprising a second recess disposed along an outside surface of the internal structure, wherein the first recess and the second recess cooperate to form a guiding channel;
• and
• a locking member disposed within the guiding channel, the locking member cooperating with the guiding channel opening to restrict horizontal and vertical movement of the internal structure within the housing structure.

A button assembly, comprising:

• a housing comprising a housing wall that defines at least a portion of a cavity, wherein an interior surface of the housing wall defines a first recess;
• a body structure disposed within the cavity that contains at least one switch, an outside surface of the body structure comprising a second recess, wherein the first recess and the second recess cooperate to form a guiding channel;
• and
• a locking device tip that is inserted into the guiding channel, the guiding channel oriented in a direction different than a longitudinal axis of the body structure.