| (19) |
 |
|
(11) |
EP 0 333 677 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
22.08.1990 Bulletin 1990/34 |
| (43) |
Date of publication A2: |
|
20.09.1989 Bulletin 1989/38 |
| (22) |
Date of filing: 17.03.1989 |
|
| (51) |
International Patent Classification (IPC)4: E06B 9/204 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB GR LI LU NL SE |
| (30) |
Priority: |
18.03.1988 IT 4774888
|
| (71) |
Applicant: Silvestri, Nicola |
|
I-65016 Montesilvano (PE) (IT) |
|
| (72) |
Inventor: |
|
- Silvestri, Nicola
I-65016 Montesilvano (PE) (IT)
|
| (74) |
Representative: Massari, Marcello |
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Studio M. Massari S.r.l.
23, Via Fontanella Borghese
00186 Roma
00186 Roma (IT) |
|
| |
|
| (54) |
Device for the controlled winding and unwinding of a cloth |
(57) A device for the driven winding and unwinding of a cloth (10) comprising: a roller
(11) for winding up the cloth (10); a hollow rigid member (21) secured to the free
edge of the cloth; a return cable; two spools for winding the return cable (19); two
return rollers (16, 18) for the return cable (19) and two guides (14, 15) for the
rigid member (21) supporting the cable return rollers and receiving the rising and
lowering lengths of the return cable, wherein the whole system is also maintained
in tension by a spring (20) interposed in the return cable and placed within the hollow
member (21).