Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2005-02-22
2005-02-22
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S280000, C318S286000, C318S466000, C049S026000, C049S028000
Reexamination Certificate
active
06859004
ABSTRACT:
The invention concerns a drive for closing devices, for example gates or shutters, with variable speed output drive and a device for detecting a given position of the closing device. According to the invention, the drive speed output depends on the position of the gate and can be controlled depending on the given mechanical closing characteristic of the closing device.
REFERENCES:
patent: 2619939 (1952-12-01), Oishei et al.
patent: 3612220 (1971-10-01), Hall et al.
patent: 4228396 (1980-10-01), Palombo et al.
patent: 4328451 (1982-05-01), Barge
patent: 4449082 (1984-05-01), Webster
patent: 5126642 (1992-06-01), Shahrodi
patent: 5142824 (1992-09-01), Le Compagnon et al.
patent: 5349276 (1994-09-01), Mezzatesta et al.
patent: 5351439 (1994-10-01), Takeda et al.
patent: 5353859 (1994-10-01), Oltahfer et al.
patent: 5552685 (1996-09-01), Young et al.
patent: 5606826 (1997-03-01), Calhooun
patent: 5780984 (1998-07-01), Miyako et al.
patent: 5877955 (1999-03-01), Struyk
patent: 5929580 (1999-07-01), Mullet et al.
patent: 6082433 (2000-07-01), Vafaie et al.
patent: 6208102 (2001-03-01), Kikuchi et al.
patent: 6215265 (2001-04-01), Wolfer et al.
patent: 6388412 (2002-05-01), Reed et al.
patent: 6484784 (2002-11-01), Weik et al.
Dilworth & Barrese LLP
Leykin Rita
Marantec Antriebs-und Steuerungstechnik GmbH & Co. KG
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