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
Application number
ES1980249306U
Other languages
Spanish (es)
Other versions
ES249306Y (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES1980249306U priority Critical patent/ES249306Y/en
Publication of ES249306U publication Critical patent/ES249306U/en
Application granted granted Critical
Publication of ES249306Y publication Critical patent/ES249306Y/en
Expired legal-status Critical Current

Links

Landscapes

  • Blinds (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (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)
ES1980249306U 1980-03-12 1980-03-12 TRACTION DEVICE FOR ROLLING BLINDS Expired ES249306Y (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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
ES2251329B2 (en) * 2005-12-30 2006-12-16 Jose Javier Mira Bernabeu MECHANISM FOR DRIVING OF BLINDS.

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