Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2009-08-05
2011-11-22
Guadalupe, Yaritza (Department: 2841)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S290000
Reexamination Certificate
active
08061046
ABSTRACT:
A laser instrument is disclosed. The laser instrument having a laser unit, and a sliding bearing device with a joint socket and a sliding unit, where the sliding unit has a convex surface in the shape of cylinder section and the joint socket has a concave surface in the shape a hollow cylinder section such that the convex surface can engage in the concave surface and the laser unit tilts in a swivel plane during a relative movement between the convex surface and the concave surface.
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patent: 2008/0028624 (2008-02-01), Chen
patent: 2010/0031520 (2010-02-01), Stefan et al.
patent: 2010/0031521 (2010-02-01), Stefan et al.
Ammann Manfred
Stefan Barth
Crowell & Moring LLP
Guadalupe Yaritza
Hilti Aktiengesellschaft
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