RAYMOND THOMAS WILTGEN
Pilots at Rosemary Ter, Bannockburn, IL

License number
Illinois A4678365
Issued Date
Oct 2015
Expiration Date
Oct 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
1050 Rosemary Ter, Bannockburn, IL 60015

Professional information

Raymond Wiltgen Photo 1

Locknut

US Patent:
2013012, May 23, 2013
Filed:
Nov 17, 2011
Appl. No.:
13/298971
Inventors:
David Brian May - Cary IL, US
Raymond Thomas Wiltgen - Deerfield IL, US
Assignee:
Security Locknut LLC - Mundelein IL
International Classification:
F16B 39/12, B21D 53/24
US Classification:
411234, 411237, 411232, 470 19
Abstract:
A locknut comprising a metal nut including a threaded internal wall for engaging a threaded shaft; and a metal ring including an internal threaded wall defining a hole for engaging the threaded shaft. The ring comprised of a steel alloy. The threaded internal wall of the nut and the threaded internal wall of the ring being in general axial alignment when the ring is received by a bore of the nut. The ring has an elliptical configuration and is configured to distort to a circular configuration when the threaded shaft is engaged with the threaded internal wall of the nut and the threaded internal wall of the ring. The ring sized such that the stress in the ring when the ring is distorted to the generally circular configuration is less than the yield stress of the steel alloy. A thermal diffusion coating may be applied to the ring.