(iii) and 137 In mechanism for opening and closing pivoted windows, louvres, shutters or the like operated by a reciprocable flexible metal cable 24 having a multi-stranded core with or without one or more compression-transmitting lays wound thereon and which has on its exterior single or ...
A labeled fire door assembly used for the protection of a window opening in an exterior wall. Flame Baffle. A hinged piece of sheet ... CA Banning,TX,RA Bullard,... 被引量: 0发表: 0年 Roller shutters: Quick to rebound,simple to operate Over the years,the team at Gandhi Automations ...
Means for opening and closing windows, ventilating shutters or the like by push and pull movements of a flexible cable moving in a fixed conduit and having on its surface spaced projections to gear with a suitably mounted toothed gear wheel and comprising also two telescopic externally threaded ...
(iii) and 137 In mechanism for opening and closing pivoted windows, louvres, shutters or the like operated by a reciprocable flexible metal cable 24 having a multi-stranded core with or without one or more compression-transmitting lays wound thereon and which has on its exterior single or ...