Metal working – Means to assemble or disassemble – Multiple station assembly or disassembly apparatus
Reexamination Certificate
2005-05-03
2005-05-03
Hong, John C. (Department: 3726)
Metal working
Means to assemble or disassemble
Multiple station assembly or disassembly apparatus
C029S795000, C029S281500, C029S283000, C029S888010
Reexamination Certificate
active
06886241
ABSTRACT:
An automatic piston installation apparatus according to the present invention includes a block positioning mechanism for positioning a cylinder block in a working area separated from a conveying line by moving the cylinder block in vertical and horizontal directions and by rotating the cylinder block around the crankshaft, a piston positioning mechanism for positioning the piston at an insertion position by moving the piston to the working area, a piston inserting mechanism for inserting the piston into a cylinder bore from above in the vertical direction, a cap positioning mechanism for positioning the connecting-rod cap by moving the connecting-rod cap to a fastened position in the working area, and a fastening mechanism for fastening the connecting-rod cap from below in the vertical direction. Thereby, the piston can be installed in various engines, such as inline-type and V-type engines, automatically, with a high degree of accuracy, and reliably, and productivity can also be improved.
REFERENCES:
patent: 3952393 (1976-04-01), van Ravenzwaay et al.
patent: 4887341 (1989-12-01), Sakimori et al.
patent: 6047472 (2000-04-01), Koch
patent: 2000-198030 (1999-01-01), None
Kimura Toshimitsu
Moritani Hitoshi
Tachibana Katsuyoshi
Ueda Yuichiro
Hirata Corporation
Hong John C.
Pillsbury & Winthrop LLP
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