The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 1994
Filed:
Jul. 30, 1993
Yevsey Gutman, Minneapolis, MN (US);
GEI Systems, Inc., Minneapolis, MN (US);
Abstract
A gear tester method and apparatus for inspecting a contact area between a gear member, such as a spiral bevel or hypnoid gear, relative to a second gear, such as a pinion. The gear tester includes a spray system for coating a portion of the gear member with a gear marking compound, such that when the pinion contacts the gear member the gear marking compound provides an indication or footprint of tooth contact made between the gear member and the pinion. A strobing device illuminates the gear member for inspecting the footprint while the gears are still rotating. In a preferred embodiment, a sensing device senses images of the footprint and a display device displays the sensed images whereby the gear mesh is non-invasively inspected.