Geometrical instruments – Distance measuring – Single contact with a work engaging support
Reexamination Certificate
2006-06-27
2006-06-27
Smith, R. Alexander (Department: 2859)
Geometrical instruments
Distance measuring
Single contact with a work engaging support
C033S701000, C033S794000, C029S407050
Reexamination Certificate
active
07065897
ABSTRACT:
A fastener grip length selector includes a housing having a first section and a second section, and a gauge fitted with the second section of the housing and including a spindle that reaches into the first section of the housing. The fastener grip length selector enables the precise determination of a grip length of a fastener to be installed in a particular fastener hole while a temporary fastener is installed in that particular fastener hole. The fastener grip length selector is suitable for, but not limited to, applications in the aerospace industry. The fastener grip length selector may be used, for example, during the installation process of an aircraft airframe assembly. Using the method for precisely measuring a thickness of an assembly in clamped-up condition enables the determination of the length of a blind fastener hole with high accuracy while a temporary fastener is installed.
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Hoeckelman Leslie A.
Kleine David W.
Luner Jeffery J.
Shimokaji & Associates P.C.
Smith R. Alexander
The Boeing Company
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