Dale D Geerdes

US Patent:

20090044613, Feb 19, 2009

Filed:

Aug 14, 2007

Appl. No.:

11/838604

Inventors:

Larry Linn Kriener - Waterloo IA, US
Thomas Craig Koehn - Cedar Falls IA, US
James Robert Hinke - Cedar Falls IA, US
Dale Dean Geerdes - Cedar Falls IA, US

International Classification:

G01M 15/00

US Classification:

7311479

Abstract:

A valve lash measurement device is provided for an internal combustion engine having an articulated valve train including a rocker arm having a bore at one end that receives a valve abutting shoe having an uneven surface. A fixed geometry reference surface is attached to a spring loaded base insertable into the bore. A weight connected to an arm and hook with a fulcrum in between is movable along a reference plate to pivot the rocker arm between its extremes of movement. A dial indicator abuts the reference surface and indicates the relative displacement between the extremes of movement and therefore the lash.