Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2008-01-29
2008-01-29
Bennett, G. Bradley (Department: 2859)
Geometrical instruments
Straight-line light ray type
Alignment device
C033SDIG021, C248S205500
Reexamination Certificate
active
11657795
ABSTRACT:
A laser leveling device having a suction mounting arrangement includes a housing and a mounting seal extending from the lower portion of the housing. The mounting seal cooperates with an attachment surface to define a suction mounting area therebetween. The suction mounting arrangement cooperates with the mounting seal to maintain the vacuum pressure seal in the suction mounting area. A laser light source mounted within the housing in a planar relationship relative to the attachment surface includes at least one diode projecting an alignment beam through an opening in the housing to denote a reference plane along the attachment surface.
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pa
Long Charles Keith
Moore Kevin A.
Taylor Skye V.
Wacker Charles M.
Bennett G. Bradley
Brinks Hofer Gilson & Lione
Cohen Amy R.
Eastway Fair Company Limited
Nichols G. Peter
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