Geometrical instruments – Distance measuring – Single contact with a work engaging support
Reexamination Certificate
2011-03-29
2011-03-29
Smith, R. Alexander (Department: 2841)
Geometrical instruments
Distance measuring
Single contact with a work engaging support
C033S806000
Reexamination Certificate
active
07913414
ABSTRACT:
An apparatus comprises a housing, a clamping unit associated with the housing, a biasing system, and a length indicator. The clamping unit can be inserted through a hole in a structure into an interior of a nut that is positioned relative to a first surface of the structure. The clamping unit can engage the interior of the nut when a portion of the housing is positioned relative to a second surface of the structure. The first structure is substantially parallel to the second surface. The biasing system can bias the portion of the housing positioned relative to the second surface of the structure and the clamping unit towards each other, while the clamping unit is engaged with the interior of the nut. The length indicator can indicate a length of a bolt when the biasing system has biased the portion of the housing and the clamping unit towards each other.
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Buehler Paul C.
Bumgardner Mark D.
Chamberlin Curtis L.
Gesell Terry L.
Vallejos Ed
Plank Dennis R.
Smith R. Alexander
The Boeing Company
Yee & Associates P.C.
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