An improved post for marking or indicating the boundaries or limits of playing fields, aerodromes and the like or boundaries of any kind

摘要

427,658. Posts. ORR, A. M., Glenartney, Collylinn Road, Bearsden, Dumbartonshire. Nov. 29, 1933, No. 33465. [Class 20 (i)] A readily - yieldable post for indicating the limits of playing fields and aerodromes, and other boundaries, comprises an inflatable tubular member a insertable into a socket d in the ground. The post has an inflating aperture e and its base is surrounded by a sleeve c. A flag may be attached to rings g. The post may be reinforced with canvas.