| 摘要 |
463,612. Windows; draught-excluders. SWIRES, W. Sept. 23, 1936, No. 25804. [Class 20 (iii)] [Also in Group XXV] A window which can swing inwards or outwards on alternative hinges by means of spindles S which can be rotated by handles S<1> to operate vertical pivot pins P into acting and non-acting positions has draught and damp excluding means comprising a strip D<2> of felt, rubber or the like which can be raised from the cross member W<2> of the window to a groove D in the casing member F<3>. The strip may be lifted by pins D<3> or by the rotation of cams in shaped recesses. |
