Improvements relating to pig houses, poultry houses and the like

摘要

719,755. Roofs; ventilation. SEAFORD SECTIONAL BUILDINGS, Ltd. July 7, 1953 [Oct. 10, 1952], No. 25467/52. Class 20 (4) and 137. [Also in Group XXV] A pig house, poultry house or similar hut-like structure has a raisable roof portion 2 hinged at 2' to the crest 1 and adapted to be supported in the raised position by means of a jointed strut whose upper part 3 is pivoted at 4 to the portion 2 near the eaves 5 and whose lower part 6 is pivoted at 7 to the side wall 8 of the house, the upper part 3 being pivoted at 11 at an intermediate point of the lower part 6, the strut portions being substantially aligned when the roof is raised. As shown the strut portions move slightly beyond a dead centre position when the roof is raised, the portion 6 then abutting the top longitudinal frame member 12 which acts as a stop. A pair of struts may be provided connected together by a cross bar 13 which constitutes an operating handle. Latching means 14 may be provided