Connecting rod assembly for an internal combustion engine and method of manufacturing same
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United States of America Patent
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Sep 1, 2009
Grant Date -
May 18, 2006
app pub date -
Nov 16, 2004
filing date -
Nov 16, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a connecting rod assembly and method of manufacturing same. The method includes defining a small end of a connecting rod having a terminal end and defining a pin bore extending through the small end. A pair of channels is forged on opposite sides of the small end, such that each of the channels is substantially perpendicular to the pin bore. A bushing having a contact surface including at least partially annular grooves and opposed distal ends is subsequently formed and installed into the pin bore of the small end. Following installation of the bushing, the connecting rod is machined to reduce the width of the small end between each channel and the terminal end to where at least a portion of the grooves are disposed along the distal ends to reduce the need to deburr the area adjacent the pin bore.
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International Classification(s)
- F16C:SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT ME....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- F02D:CONTROLLING COMBUSTION ENGINES
- B21D:WORKING OR PROCESSING OF SHEET METAL OR METAL TUBE....
- B23D:PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FI....
- F16J:PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; S....
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