E - Fixed Constructions – 05 – D
Patent
E - Fixed Constructions
05
D
E05D 15/00 (2006.01) E05D 15/16 (2006.01) E05D 15/24 (2006.01) E06B 3/48 (2006.01) E06B 3/50 (2006.01)
Patent
CA 2226706
An upward acting sectional door formed of rectangular door sections which are interconnected to form a closure over a door opening. Opposed somewhat L-shaped bottom brackets are secured to opposed lower side edges of the bottom door section by fasteners which are not easily accessible for removal when the door is assembled and disposed between adjacent guide tracks. Opposed guide rollers connected to counterbalance cables are partially supported by the brackets and transfer upward lifting forces to the door through the brackets.
Porte en sections à ouverture vers le haut, comprenant des sections de porte rectangulaires qui sont interreliées pour former une fermeture au-dessus de l'ouverture de porte. Des supports inférieurs opposés, plus ou moins en forme de «L», sont fixés aux bords latéraux inférieurs opposés de la section de porte inférieure par des attaches qui ne sont pas facilement accessibles pour enlèvement lorsque la porte est assemblée et placée entre les éléments de guidage adjacents. Des galets de guidage opposés reliés à des câbles de contre-balancement sont partiellement soutenus par les supports et permettent un transfert vers la porte d'une force de levage par les supports.
Boucher David Scott
Grisham James L.
Moffat & Co.
Overhead Door Corporation
LandOfFree
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