Improvements in Apparatus for Raising and Lowering Windows or Louvres in Railway Carriages.

摘要

1517. Hyde, R. Jan. 23. Windows; window blinds.-Relates to raising and lowering apparatus for windows and louvres. Pivoted bell cranks 6, 7 connected at their lower ends by the adjustable spring 12, are jointed at their upper ends to levers 17, 18 jointed to the plate 19 having pins 21, 22 which fit into holes in the bottom of the window sash.