Patent ID: 8047520
Filing Date: 2011-11-01
Classification: B23Q

Abstract:
1. A movable article coupling apparatus for bringing a movable article near to a base side support from above, positioning the movable article in horizontal X, Y directions and in a vertical Z direction, and clamping the movable article in a releasable manner, comprising: a clamping mechanism including a clamping main body; a barrel protruding above said clamping main body; a first pair of first engaging protrusions and a second pair of second engaging protrusions being formed on a top surface of said clamping main body around said barrel for positioning in the X direction and in the Y direction, respectively, said first and second pairs of said first and second engaging protrusions each being arranged symmetrically about a central axis of said barrel; a first engaging part and a second engaging part being provided on a bottom surface of said movable article and being capable of abutting unilateral side surfaces of said first and second engaging protrusions, respectively; said first engagement part including a pair of first movable article side engaging protrusions corresponding to said pair of first engaging protrusions and said second engagement part including a pair of second movable article side engaging protrusions corresponding to said pair of second engaging protrusions; and each of said unilateral side surfaces of said pairs of first and second engaging protrusions is formed to be an inclined surface, and each of said unilateral side surfaces of said pairs of first and second movable article side engaging protrusions, which are capable of abutting said unilateral side surfaces of said pairs of first and second engaging protrusions, is formed to be an inclined surface.