ES379613A2 - Door and metal fence, with closing automotive, for access to elevating appliances. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Door and metal fence, with closing automotive, for access to elevating appliances. (Machine-translation by Google Translate, not legally binding)
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Individual
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Improvements introduced in the object of the patent of invention no. 325,255 ("door and metal frame, with self-closing movement, for access to lifting devices"), essentially characterized in that, the frame is constituted by the parts, heads or horizontal sides and by the verticals or jambs. The heads have recesses, which fit into the external face of the door leaf, adjusting the thickness of the sheet that constitutes it. The projection and the visible projection reinforce the assembly; thanks to this arrangement, it is not possible to dismantle the heads of the leaf without adopting a diagonal position in the window-sight glass. The extreme part of the heads rests against the glass and serves to fix it at its ends. (Machine-translation by Google Translate, not legally binding)
ES379613A1970-05-131970-05-13Door and metal fence, with closing automotive, for access to elevating appliances. (Machine-translation by Google Translate, not legally binding)
ExpiredES379613A2
(en)