US 7,584,547 B2
	Fluid level measuring gauge
Donald E. Keith, Mapleton, Ill. (US); and David S. Suckow, East Peoria, Ill. (US)
Assigned to Caterpillar Inc., Peoria, Ill. (US)
Filed on Jun. 22, 2007, as Appl. No. 11/821,317.
Prior Publication US 2008/0314141 A1, Dec. 25, 2008
Int. Cl. G01B 3/00 (2006.01)

U.S. Cl. 33—722

7 Claims

1. A fluid level measuring gauge for accurately measuring and reading a fluid level in a fluid gauge access chamber having one or more bends or interior chamfered shoulder zones, said fluid level measuring gauge comprising: an elongate blade having an upper zone and lower zone wherein said upper and lower zones of said measuring gauge are in a constant spiral formation for creating a nonwiping motion during insertion of said fluid level measuring gauge into and out of a fluid gauge access chamber; a flat shaped measuring region, including a plurality of ports aligned in an up and down direction on said measuring region; a handle attached to said blade for controlled insertion and removal of said fluid level measuring gauge; and a spherical chamfer advancing guide affixed to the leading end of said elongate blade opposite said handle.