Internal-combustion engines – Frame construction – Horizontal cylinder
Reexamination Certificate
2007-11-21
2010-12-07
Cuff, Michael (Department: 3741)
Internal-combustion engines
Frame construction
Horizontal cylinder
C277S591000
Reexamination Certificate
active
07845331
ABSTRACT:
A seal structure is provided for an internal combustion engine. The seal structure can include a main seal link, at least one fastener seal connected to the main seal link and adapted to surround at least a portion of a crankcase fastener hole, and an enlarged bearing seal operatively connected to the fastener seal and adapted to be in sealing abutment with at least a portion of an outer race of a bearing. The engine can include a crankcase formed of a first section and a second section retained together with the seal structure located therebetween for providing a seal for the crankcase.
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PCT International Search Report for PCT/US2008/08291 dated Jul. 9, 2009.
Alamond Robert F.
Allen John D.
Osterchill Jeffrey J.
Sparks Daniel T.
Cuff Michael
Husqvarna Outdoor Products Inc.
Nguyen Hung Q
Pearne & Gordon LLP
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