Techtronic Outdoor Products Technology Limited

Eastway Fair Company Limited

Techtronic Industries Company Limited

Anthony S Thomas

Nagesh S Mavinahally

David R Brower

John K Morris

Brian Michael Leinonen

Charles Arthur Eakins, Jr

Fabio T Romero

Michael W Scrimager

Deng Dian Bo

Bill Yang Ming

Roger Klink

Danny C King

Philip T Scott

Bill Ming Yang

Phillip T Scott

Brian N Leinonen

Dian Bo Deng

A cylinder crankcase for a four-stroke engine is disclosed. The cylinder crankcase includes a cylinder head, cylinder block, and crankcase which are monolithic. A half-crank crankshaft bears in a crank arm, which is included in the crankcase. The cylinder crankcase includes a belt driven valve train and crank arm that includes a pocket containing a crank gear attached to the crankshaft for driving the belt.

Monolithic block and valve train for a four-stroke engine

A cylinder-crankcase is disclosed that includes a cylinder block having a cylinder head for receiving a spark plug. The cylinder-crankcase also includes a crankcase and a crank arm for supporting a crankshaft. The cylinder block, cylinder head, crankcase and crank arm are a single, monolithic piece.

Monolithic cylinder-crankcase

Growing community of inventors

Anderson, SC, United States of America

Anthony S Thomas