作者: Richard L Doffin , Vernon L Delp , Kyle I Delp
DOI:
关键词: Hinge 、 Engineering 、 Structural engineering
摘要: A gate member is provided including upstanding opposite end tubular members and each with a pair of upper lower outwardly projecting arms having first vertically aligned horizontally opening notches formed therein. Each an inner extending through rotatable relative thereto. The ends project upwardly downwardly below the corresponding include levers second therein are swingable into out superposed positions in registered directions whereby may be releasably swingably supported from latched to vertical hinge pin portions fence post, or like.