Drive for closing devices with variable speed output

Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel

Reexamination Certificate

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Details

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.

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