Patent ID: 7758275

Claim:
An automatic fitting device for connecting a vehicular part to a vehicular body, comprising: an outer cylinder ( 10 ) configured for being coupled to an inner pipe of a bush ( 2 ) of a trailing arm ( 1 ); a pair of buttons ( 20 ) movably inserted in opposite ends of the outer cylinder ( 10 ), each button having four projections ( 22 ) distributed around one end thereof with a predetermined space therebetween; a pair of guide members ( 30 ) each formed with a first inclined surface ( 31 ) at one end thereof and fitted in an interior of the outer cylinder ( 10 ) at the opposite ends of the outer cylinder ( 10 ), the guide member ( 30 ) having two first slots ( 33 ) and two second slots ( 35 ) for allowing the projections ( 22 ) of the corresponding button ( 20 ) to be inserted into or separated from the slots ( 33 ) and ( 35 ), and a guide hole ( 32 ) to slidably receive the button 20 therein and have a diameter for preventing outward escaping of the corresponding button ( 20 ); a pair of movable members ( 40 ) each formed with a second inclined surface ( 41 ) to be selectively engaged with the first inclined surface ( 31 ) and movably fitted in the guide hole ( 32 ) of the corresponding guide member ( 30 ), each movable member ( 40 ) having two columns ( 42 ) provided at opposite sides thereof and selectively engaged with the slots ( 33 ) and ( 35 ); a pair of support members ( 50 ) installed at a longitudinal middle area of the interior of the outer cylinder ( 10 ) with a predetermined space between the pair of support members ( 50 ); and a pair of springs ( 60 ) each installed between the corresponding movable member ( 40 ) and the corresponding support member ( 50 ), and configured for biasing the corresponding movable member ( 40 ) and the corresponding button ( 20 ) in a direction toward outside of the outer cylinder ( 10 ) through the corresponding opposite end of the outer cylinder ( 10 ).