ES249306U - Traction device for roller blinds (Machine-translation by Google Translate, not legally binding) - Google Patents
Traction device for roller blinds (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES249306U ES249306U ES1980249306U ES249306U ES249306U ES 249306 U ES249306 U ES 249306U ES 1980249306 U ES1980249306 U ES 1980249306U ES 249306 U ES249306 U ES 249306U ES 249306 U ES249306 U ES 249306U
- Authority
- ES
- Spain
- Prior art keywords
- washer
- pulley
- teeth
- crank
- translation
- 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
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Blinds (AREA)
Abstract
Traction device for roller shutters, of the type of those that are embedded in the wall and in which, by means of a crank, the winding of the corresponding traction cable of the shutter is caused on a pulley, characterized - and this is the first of the claimed characteristics - because the lid that closes the box or casing of the device has, on its internal face, two projections: one, on which is mounted, without possibility of rotation, a washer provided with teeth on its face frontal; and another, larger than the previous one, which constitutes a second box mode, equipped, in turn, with its corresponding removable cover and inside which a second washer similar to the first located so that its teeth are housed faced to the latter, a spring that constantly drives the first toothed washer against the second and a pulley for the winding of the blind's traction cable, such pulley and second washer being mounted on a threaded rod, whose head, provided with the corresponding opening for the introduction of the actuating handle of the device imprisons that second washer and the spring, protrudes out through the hole to the effect practiced in the center of the cover, in such a way that, when actuating the crank, rotates the threaded rod together with the pulley and the second washer, whose teeth slide over those of the first fixed washer, while, when the crank is stopped, that prime the washer acts as a ratchet or blocking element of the device when its teeth are encased in those of the second washer. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1980249306U ES249306Y (en) | 1980-03-12 | 1980-03-12 | TRACTION DEVICE FOR ROLLING BLINDS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES1980249306U ES249306Y (en) | 1980-03-12 | 1980-03-12 | TRACTION DEVICE FOR ROLLING BLINDS |
Publications (2)
Publication Number | Publication Date |
---|---|
ES249306U true ES249306U (en) | 1980-07-01 |
ES249306Y ES249306Y (en) | 1981-04-01 |
Family
ID=8407756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1980249306U Expired ES249306Y (en) | 1980-03-12 | 1980-03-12 | TRACTION DEVICE FOR ROLLING BLINDS |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES249306Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2251329A1 (en) * | 2005-12-30 | 2006-04-16 | Jose Javier Mira Bernabeu | Drive mechanism for blinds has conical washers for providing brake when drive crank is not operated |
-
1980
- 1980-03-12 ES ES1980249306U patent/ES249306Y/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2251329A1 (en) * | 2005-12-30 | 2006-04-16 | Jose Javier Mira Bernabeu | Drive mechanism for blinds has conical washers for providing brake when drive crank is not operated |
Also Published As
Publication number | Publication date |
---|---|
ES249306Y (en) | 1981-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1K | Utility model lapsed |
Effective date: 19980302 |