Lower link for piston crank mechanism of engine

Details Lower link for piston crank mechanism of engine Lower link for piston crank mechanism of engine

2007-11-06

2007-11-06

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C123S0780AA, C123S197100

Reexamination Certificate

active

11296256

ABSTRACT:
A lower link for an engine piston crank mechanism includes first and second half members joined by bolts to form a crankpin bearing portion. The first half member includes a first pin boss portion to connect the lower link with a first link which is one of an upper link connected with a piston and a control link having one end mounted swingably on the engine. The second half member includes a second pin boss portion to connect the lower link with a second link which is the other of the upper link and the control link, and an internally threaded portion into which one bolt is screwed. The second half member further includes a load transfer portion which is made greater in rigidity than the internally threaded portion.

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