(19)
(11) EP 1 936 041 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
29.04.2009 Bulletin 2009/18

(43) Date of publication A2:
25.06.2008 Bulletin 2008/26

(21) Application number: 07380374.4

(22) Date of filing: 20.12.2007
(51) International Patent Classification (IPC): 
E02D 29/14(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 22.12.2006 ES 200603249

(71) Applicant: Prefabricados Uniblok, S.A.
45223 Seseña (Toledo) (ES)

(72) Inventors:
  • Sabas Fernandez, Jose Luis
    48140 Igorre (Vizcaya) (ES)
  • de Miguel Urain, Ivan
    45223 Sesena (Toledo) (ES)
  • Apraiz Eguileor, Juan Maria
    45223 Sesena (Toledo) (ES)

(74) Representative: Carpintero Lopez, Francisco 
Herrero & Asociados, S.L. Alcalá 35
28014 Madrid
28014 Madrid (ES)

   


(54) Operator access door for underground buildings


(57) The invention relates to an access door for underground buildings intended to house electronic, electrical, mechanical equipment or other equipment, configured by a main body (2) and an upper cover (1). According to the invention, the access door consists of a main lid (4) configured in a single metal part with reduced weight, resistant to mechanical stress, which is collapsible toward the outside with respect to a frame (3) integrated in the upper cover (1) by means of hinging elements (8) installed on its inner face and at the inner part of the frame (3). The main lid (4) likewise comprises a closure (6) and integrates therein an auxiliary lid (5) concealing and protecting the closure (6). The access door allows the operators to easily access the inside of the building in order to perform operation or maintenance work.







Search report