Geometrical instruments – Straight-line light ray type – Level
Reexamination Certificate
2006-12-06
2009-12-29
Bennett, G. Bradley (Department: 2841)
Geometrical instruments
Straight-line light ray type
Level
Reexamination Certificate
active
07637022
ABSTRACT:
A damping system and method for a pendulously supported crossline generator is disclosed. The crossline generator comprises a support body pendulously supported and having ear portions and a paddle. A rotation damping device having cages each with a magnet set is provided, wherein the ear portions extend into respective ones of the cages. A pitch damping device having a damping housing and a ring magnet supported in the damping housing is also provided. The paddle has a plate portion situated below the ring magnet.
REFERENCES:
patent: 3936197 (1976-02-01), Aldrink et al.
patent: 4221483 (1980-09-01), Rando
patent: 4708024 (1987-11-01), Hojo et al.
patent: 5459932 (1995-10-01), Rando et al.
patent: 5524352 (1996-06-01), Rando et al.
patent: 5610711 (1997-03-01), Rando
patent: 5617202 (1997-04-01), Rando
patent: 5619802 (1997-04-01), Rando et al.
patent: 5636018 (1997-06-01), Hirano et al.
patent: 5724744 (1998-03-01), Bozzo
patent: 5992029 (1999-11-01), Dong
patent: 6043879 (2000-03-01), Dong
patent: 6384420 (2002-05-01), Doriguzzi
patent: 6384913 (2002-05-01), Douglas et al.
patent: 6568094 (2003-05-01), Wu
patent: 6763595 (2004-07-01), Hersey
patent: 6938350 (2005-09-01), Hersey
patent: 7031367 (2006-04-01), Marshall et al.
patent: 7032318 (2006-04-01), Hayes et al.
patent: 7073269 (2006-07-01), McCarty
patent: 2006/0123649 (2006-06-01), Muller
patent: 2007/0044333 (2007-03-01), Qi et al.
patent: 2007/0089309 (2007-04-01), Kodaira
patent: 2008/0078091 (2008-04-01), McCracken
patent: 9418591 (1995-02-01), None
International Search Report and Written Opinion dated Feb. 6, 2008 pertaining to International application No. PCT/US2007/085725.
International Preliminary Report on Patentability dated Jun. 18, 2009 pertaining to International application No. PCT/US2007/085725.
Bennett G. Bradley
Dinsmore & Shohl LLP
Trimble Navigation Limited
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