ENGINE
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United States of America Patent
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Issued Date -
Mar 20, 2014
app pub date -
Sep 16, 2013
filing date -
Sep 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An engine includes: a cylinder; a first bearing that is at least partially integrally formed with the cylinder and configured to rotatably support a first shaft of a crankshaft; a second bearing that is at least partially integrally formed with the cylinder and configured to rotatably support a second shaft of the crankshaft; and a first crankcase member and a second crankcase member that include a resin-based material, and respectively constitute part and remaining part of a crankcase that houses the crankshaft. A connecting portion between the first crankcase member and the second crankcase member is continuously connected along substantially an entire length by at least one of fitting, bonding, and welding.
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