Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
Publication of GB157497ApublicationCriticalpatent/GB157497A/en
Refuge Islands, Traffic Blockers, Or Guard Fence
(AREA)
Fencing
(AREA)
Abstract
157,497. Chisholm, A. Oct. 15, 1919. Bollards made in longitudinal sections b for attachment to davit and like posts by means of bolts d are provided with extended sectional arms e which serve as friction surfaces for the rope during lowering-operations. The extremities of the arms are bound together by rings f.