An output device comprising: a housing ; a first guide hole disposed in the housing ; a second guide hole disposed in the housing so as to cross a base-side portion of the first guide hole ; a first rod for output inserted into the first guide hole so as to be movable in an axial direction of the first rod ; a second rod for driving inserted into the second guide hole so as to be movable in an axial direction of the second rod ; a driving means (D) connected to the second rod and configured to move the second rod in the axial direction of the second rod ; an accommodation groove disposed in one of two members which are the base-side portion of the first rod and the second rod , the accommodation groove extending in the axial direction of the second rod ; an insertion portion provided to the other of the two members so as to be inserted into the accommodation groove ; and a guide member provided in the base-side portion of the first rod ; characterised by a cam groove provided in the second rod so as to directly or indirectly make an engagement with the guide member , the cam groove having a horizontal groove portion and a driving groove portion inclined rightward and downward, the housing including a lower housing , which is a main body portion, and a cylindrical plug portion protruding upward unitarily with an upper portion of the lower housing , and a collet fitted to a lower half portion of the peripheral wall of the plug portion , having a slit extending in the vertical direction, and configured to be radially contractible and to be radially expandable by virtue of its resilience, the collet being biased upward by advance springs . a housing ; a first guide hole disposed in the housing ; a second guide hole disposed in the housing so as to cross a base-side portion of the first guide hole ; a first rod for output inserted into the first guide hole so as to be movable in an axial direction of the first rod ; a second rod for driving inserted into the second guide hole so as to be movable in an axial direction of the second rod ; a driving means (D) connected to the second rod and configured to move the second rod in the axial direction of the second rod ; an accommodation groove disposed in one of two members which are the base-side portion of the first rod and the second rod , the accommodation groove extending in the axial direction of the second rod ; an insertion portion provided to the other of the two members so as to be inserted into the accommodation groove ; and a guide member provided in the base-side portion of the first rod ; characterised by a cam groove provided in the second rod so as to directly or indirectly make an engagement with the guide member , the cam groove having a horizontal groove portion and a driving groove portion inclined rightward and downward, the housing including a lower housing , which is a main body portion, and a cylindrical plug portion protruding upward unitarily with an upper portion of the lower housing , and a collet fitted to a lower half portion of the peripheral wall of the plug portion , having a slit extending in the vertical direction, and configured to be radially contractible and to be radially expandable by virtue of its resilience, the collet being biased upward by advance springs . <EOS>