Geometrical instruments – Distance measuring – Of length by rolling contact
Reexamination Certificate
2005-05-03
2008-11-04
Fulton, Christopher W (Department: 2841)
Geometrical instruments
Distance measuring
Of length by rolling contact
C033S124000, C033S679000, C033S291000
Reexamination Certificate
active
07444760
ABSTRACT:
A marking device, in particular a hand-held marking tool for positioning markings, comprises first means (50, 52, 54, 56) which make it possible to position the device (10) in a predefinable first position of a reference surface (16), and second means (46) for leveling the device (10) relative to the reference surface (16), as well as a tracking system (13) for determining a distance covered by the device (10) relative to the first position of the device. The tracking system (13) detects the movement of the measuring instrument (10) on the reference surface (16) in two orthogonal directions (18,20).
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Bergmann Julian
Clauss Stefan
Hecht Joachim
Heine Christian
Hoffmann Erhard
Fulton Christopher W
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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