Polyvalent device for the rapid lifting of sheets of glass
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 8, 1992
Grant Date -
N/A
app pub date -
Jun 11, 1991
filing date -
Oct 20, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for lifting sheets of glass brought on a conveyor, has at least one arm rotatable about a horizontal spindle, situated at the lower end of the arm, between a substantially vertical position for gripping the sheets on the conveyor and a substantially horizontal position for depositing the sheets. The device also has a support mounted on the upper end of each rotating arm, the support being slidable along the axis of the arm. The support carries first suction cups for gripping the sheets and at least two retractable arms fastened with the support, the arms being rotatable between a substantially horizontal axis carried by the support, each retractable arm being provided with second suction cups. The retractable arms and the second suction cups are disposed symmetrically with respect to the conveyor axis and in such a way that the sheets of large dimensions are gripped while being in equilibrium.
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