Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes
Reexamination Certificate
2011-06-28
2011-06-28
Redman, Jerry (Department: 3634)
Movable or removable closures
With operator for movably mounted closure
Operating lever or link and closure swing about parallel axes
C049S344000, C049S137000, C091S463000, C060S473000
Reexamination Certificate
active
07966771
ABSTRACT:
A door operator includes a housing, a first pressure compartment; a second pressure compartment, a drive unit disposed in the housing and coupleable to a door via an output shaft, the driving unit being associated with the first pressure compartment, a hydraulic pump in hydraulic connection with the first and second pressure compartments, a motor in driving relationship with the hydraulic pump, and a spring force accumulator disposed in the housing. The spring force accumulator is associated with the second pressure compartment and coupled to the drive unit.
REFERENCES:
patent: 1951906 (1934-03-01), Hansen
patent: 3369323 (1968-02-01), Millard
patent: 3724023 (1973-04-01), Tillmann
patent: 4115897 (1978-09-01), Zunkel
patent: 4376323 (1983-03-01), Tillmann
patent: 4580365 (1986-04-01), Sieg
patent: 4660250 (1987-04-01), Tillman et al.
patent: 4785493 (1988-11-01), Tillmann et al.
patent: 5417013 (1995-05-01), Tillmann
patent: 5468042 (1995-11-01), Heinrichs et al.
patent: 5687451 (1997-11-01), Singer
patent: 5687507 (1997-11-01), Beran
patent: 5802670 (1998-09-01), Bienek
patent: 5862630 (1999-01-01), Krumhauer et al.
patent: 5901412 (1999-05-01), Jentsch et al.
patent: 6151753 (2000-11-01), Salutzki
patent: 6223469 (2001-05-01), Moll
patent: 6412224 (2002-07-01), Feucht et al.
patent: 6442795 (2002-09-01), Chen
patent: 6618899 (2003-09-01), Ginzel et al.
patent: 6889501 (2005-05-01), Busch
patent: 6957533 (2005-10-01), Olsson
patent: 6978609 (2005-12-01), Busch
patent: 7571515 (2009-08-01), Fischbach et al.
patent: 7650669 (2010-01-01), Bienek
patent: 2003/0213092 (2003-11-01), Fischbach et al.
patent: 2004/0182234 (2004-09-01), Busch
patent: 2006/0075684 (2006-04-01), Hansch et al.
patent: 2008/0127562 (2008-06-01), Bienek
patent: 32 02 966 (1983-08-01), None
patent: 40 38 720 (1992-06-01), None
patent: 40 41 824 (1992-06-01), None
patent: 295 21 068 (1996-08-01), None
patent: 197 56 496 (1999-07-01), None
patent: 10031403 (2002-01-01), None
patent: 102 61 224 (2004-05-01), None
patent: 492175 (1992-07-01), None
patent: 1 092 829 (2001-04-01), None
patent: WO 00/66864 (2000-11-01), None
patent: WO 2004/106681 (2004-12-01), None
Search Report dated Feb. 16, 2006 for the underlying International Application No. PCT/EP2005/012091.
Search Report dated Feb. 10, 2006 for the co-pending International Application No. PCT/EP2005/012082.
Search Report dated Feb. 13, 2006 for the co-pending International Application No. PCT/EP2005/012090.
Search Report dated Jan. 27, 2006 for the co-pending International Application No. PCT/EP2005/012165.
Search Report dated Feb. 24, 2006 for the co-pending International Application No. PCT/EP2005/012164.
Search Report dated Mar. 13, 2006 for the co-pending International Application No. PCT/EP2005/012166.
Written Communication of the International Search Authority issued for the underlying International Application No. PCT/EP2005/012091, Feb. 16, 2006.
Cohen Pontani Lieberman & Pavane LLP
Dorma GmbH & Co. KG
Redman Jerry
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