Patent ID: 6886241

Claim:
An automatic piston installation apparatus for inserting a piston provided with a connecting rod into a cylinder bore, then fastening a connecting-rod cap, and attaching the piston to a crankshaft in a cylinder block provided with the crankshaft, the apparatus comprising: a block positioning mechanism for positioning the cylinder block at a predetermined position by moving the cylinder block in vertical and horizontal directions or by rotating the cylinder block around the crankshaft; a piston positioning mechanism for positioning the piston by moving the piston so as to be inserted into the cylinder block positioned by the block positioning mechanism from above in the vertical direction; a piston inserting mechanism for inserting the piston positioned by the piston positioning mechanism into the cylinder bore from above in the vertical direction; a cap positioning mechanism for positioning the connecting-rod cap by moving the connecting-rod cap so as to be fastened to the connecting rod of the piston inserted by the piston inserting mechanism from below in the vertical direction; and a fastening mechanism for fastening the connecting-rod cap from below in the vertical direction.