| 摘要 |
FIELD: building, particularly for reinforced concrete item production. ^ SUBSTANCE: device has two cross-bars formed as spring-loaded double-crank arms and opening mechanism. Form tray is provided with cam member. Opening mechanism is made as lever with oval orifice to which hook and rope of load-gripping means are connected. Above lever cooperates with cross-bars by wedging-out lever having spherical support surface during form opening. ^ EFFECT: increased rigidity of form connection to vibratory plate. ^ 3 dwg |
