CA2252347A1 - Drapery actuator - Google Patents
Drapery actuator Download PDFInfo
- Publication number
- CA2252347A1 CA2252347A1 CA 2252347 CA2252347A CA2252347A1 CA 2252347 A1 CA2252347 A1 CA 2252347A1 CA 2252347 CA2252347 CA 2252347 CA 2252347 A CA2252347 A CA 2252347A CA 2252347 A1 CA2252347 A1 CA 2252347A1
- Authority
- CA
- Canada
- Prior art keywords
- motor
- drive pulley
- drapery
- switch
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
A drapery actuator to open and close draperies, comprising a housing and a drive pulley supported by the housing to engage a drapery cord coupled to a drape. A motor, typically a D.C. motor, is supported by the housing for providing torque to reversibly rotate the drive pulley to move the drapery cord between a first extreme (typically closed) position and a second extreme (typically open) position. A first electrical switch operatively connected to the motor functions as a cut-out switch and reversing switch to stop the motor from continued turning in a given direction and thereafter switching polarity, to allow the motor to turn in an opposite direction when the switch is re-activated. A torque-activated mechanism is provided, adapted to actuate the first electrical switch when the drive pulley moves the drapery cord to the first position, and is further adapted to actuate the first electrical switch when the drive pulley is reversibly rotated by the motor to move the drapery cord to the second position.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/176,092 US6144177A (en) | 1996-08-27 | 1998-10-21 | Drapery actuator |
US09/176,092 | 1998-10-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2252347A1 true CA2252347A1 (en) | 2000-04-21 |
CA2252347C CA2252347C (en) | 2001-08-07 |
Family
ID=22642948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2252347 Expired - Fee Related CA2252347C (en) | 1998-10-21 | 1998-11-03 | Drapery actuator |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN1195438C (en) |
CA (1) | CA2252347C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018065186A1 (en) * | 2016-09-15 | 2018-04-12 | Kaj Beetstra | Curtain controlling device |
-
1998
- 1998-11-03 CA CA 2252347 patent/CA2252347C/en not_active Expired - Fee Related
-
1999
- 1999-01-21 CN CNB99100325XA patent/CN1195438C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018065186A1 (en) * | 2016-09-15 | 2018-04-12 | Kaj Beetstra | Curtain controlling device |
US11229310B2 (en) | 2016-09-15 | 2022-01-25 | Iim Holding B.V. | Curtain controlling device |
Also Published As
Publication number | Publication date |
---|---|
CN1251285A (en) | 2000-04-26 |
CN1195438C (en) | 2005-04-06 |
CA2252347C (en) | 2001-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |