Source: http://www.google.com/patents/US8004224?dq=oakley+D523,461&ei=qiI4T-CjGqXf0QHz_PSUCA
Timestamp: 2017-05-27 20:01:15
Document Index: 659128513

Matched Legal Cases: ['art 70', 'art 70', 'art 70', 'art 70', 'art 70', 'Application No. 200580038407']

Patent US8004224 - Safety device for roller blinds, sun, awnings, gates or the like - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsMethod—and device for the implementation thereof intended to provide a protection system for barriers which are movable along an operating path and actuated by a motor, such as roller blinds, gates or the like, comprising the steps of connecting the barrier, with play, to a fixed part (30) so that...http://www.google.com/patents/US8004224?utm_source=gb-gplus-sharePatent US8004224 - Safety device for roller blinds, sun, awnings, gates or the likeAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS8004224 B2Publication typeGrantApplication numberUS 12/092,333PCT numberPCT/EP2006/068183Publication dateAug 23, 2011Filing dateNov 7, 2006Priority dateNov 7, 2005Fee statusPaidAlso published asCN101611209A, CN101611209B, EP1945901A1, EP1945901B1, US20080257504, WO2007051865A1Publication number092333, 12092333, PCT/2006/68183, PCT/EP/2006/068183, PCT/EP/2006/68183, PCT/EP/6/068183, PCT/EP/6/68183, PCT/EP2006/068183, PCT/EP2006/68183, PCT/EP2006068183, PCT/EP200668183, PCT/EP6/068183, PCT/EP6/68183, PCT/EP6068183, PCT/EP668183, US 8004224 B2, US 8004224B2, US-B2-8004224, US8004224 B2, US8004224B2InventorsOscar Marchetto, Sergio Tomasella, Bruno BortolanOriginal AssigneeNice SpaExport CitationBiBTeX, EndNote, RefManPatent Citations (45), Non-Patent Citations (4), Referenced by (4), Classifications (7), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetSafety device for roller blinds, sun, awnings, gates or the like
US 8004224 B2Abstract
a part fixed with respect to the movement of the barrier; a kinematic chain by means of which the fixed part can be connected to the barrier with play, the barrier being able to move independently of the action of the motor over a travel section; detection means for detecting, along the travel section, the relative position of the fixed part and the barrier; a processing unit which acquires position data from the detection means and prevents or reverses the action of the motor and/or the movement of the barrier when the barrier, along the travel section, does not have a position included within a set of safety positions. BRIEF DESCRIPTION OF THE DRAWING
a device 50 for implementing the method according to the invention, associated with an end group 20; a tubular body 22 which: at one end contains a motor and all the devices for operation thereof (not shown), the output shaft of which is connected to a pinion 23 inserted inside a toothed adaptor 24 for a roller 25 (on which the roller blind—not shown—is wound). The roller 25 is arranged over the tubular body 22 in a coaxial position; at the other end it is joined to a rotating part 70 by means of forced engagement between reliefs 28 on the rotating part 70 and corresponding recesses 29 of the tubular body 22; a prism-shaped support body 26 which is fixed rotatably to a wall and in which one end of the roller 25 is engaged, a metal ring 27 being inserted inside the other end of the roller 25. The device according to the invention has been shown separately and in greater detail in FIG. 2. It comprises a base piece 30 and a rotating part 70 substantially with a circular cross-section, an electronic circuit board 99 and a wall bracket 90. The latter is fixed to a wall and the base piece 30 is housed inside it. The tubular body 22 is inserted inside the roller 25 of the roller blind.
the roller blind completes one or more opening/closing cycles along the operating path; at the same time the relative angular deviation of the base piece 30 and the rotating part 70 is sampled, if necessary averaged and/or filtered and stored in a memory of the board 99. This thus produces a response curve (RC) for the angular deviation corresponding to the specific operating condition, in which the sampled data are associated with the position of the roller blind; a tolerance value T to be added to the RC is defined, in order to take account of small variations—which are not significant for safety purposes—associated in a variable and unpredictable manner with the path of the roller blind; subsequently the RC and the tolerance T are stored in a suitable non-volatile memory (not shown). During subsequent operation of the actuating system 18, the current position of the roller blind along the operating path and the corresponding current relative angular deviation of rotating part 70 and base piece 30 are detected, the latter is compared with the point of RC+T (which corresponds to a set of safety positions) relating to the current position and, if the limits values for the tolerance T are exceeded, the board 99 activates protection, for example reversing the direction of rotation of the motor or causing stoppage thereof and activating a danger signal.
a device for implementing the method according to the invention, associated with an end group 120; a tubular body 122 which: at one end contains a motor and all the devices for operation thereof (not shown), the output shaft of which is connected to a pinion 123 inserted inside a toothed adaptor 124 for a roller 125 (on which the roller blind—not shown—is wound), said roller being arranged over the tubular body 22 in a coaxial position; at the other end is joined to connector 170 by means of forced engagement between reliefs 128 on the connector 170 and corresponding recesses 129 of the tubular body 122; a prism-shaped support body 126 which is fixed rotatably to a wall and in which one end of the roller 125 is engaged, a metal ring 127 being inserted inside the other end of the roller 125. The end group 120 has been shown separately and in greater detail in FIGS. 11 and 12. It comprises a base piece 130, the connector 170 and a wall bracket 190. The latter is fixed to a wall and the base piece 130 is housed inside it. The tubular body 122 is inserted inside the roller 125 of the roller blind.
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