Light line generating device

Details Light line generating device Light line generating device

2008-02-01

2009-08-11

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Straight-line light ray type

Level

C033S286000, C033SDIG021

Reexamination Certificate

active

07571546

ABSTRACT:
A light line generating device is configured to generate horizontal and vertical light lines on a work surface. The device includes a pendulum assembly, a pendulum lock mechanism, level indicator device, a light line generating assembly. The pendulum assembly includes a gimbal mechanism that supports a pendulum such that the pendulum levels within two planes. The lock mechanism is configured to selectively capture the pendulum. The level indicator device and the light line generating assembly are coupled to the pendulum. The device further includes a pendulum reorientation mechanism configured to reposition the gimbal. In operation, the device may be utilized to generate either a self-leveling horizontal light line or a manually-leveled vertical light line.

REFERENCES:
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patent: 5754287 (1998-05-01), Clarke
patent: 6043879 (2000-03-01), Dong
patent: 7454839 (2008-11-01), Della Bona et al.
patent: 2005/0204570 (2005-09-01), Bascom et al.
patent: 2006/0013278 (2006-01-01), Raskin et al.
patent: 2008/0047153 (2008-02-01), Bona et al.
patent: 2008/0066329 (2008-03-01), Bascom et al.
patent: 2008/0134529 (2008-06-01), Van Luchene

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