Mould lifting device suitable for use in lifting rotating a middle mould
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United States of America Patent
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Dec 19, 2017
Issued Date -
N/A
app pub date -
Jul 12, 2016
filing date -
Jul 12, 2016
priority date (Note) -
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Abstract
A mould lifting device is suitable for use in lifting and rotating a middle mould. At each of two lateral surfaces of the middle mould is provided a pivot portion. The mould lifting device includes: a platform, two longitudinal guide assemblies, two transmissions, a power assembly, two lifting members, two push members, two pivot arms, and two covers. When the pivot arms lift and rotate the middle mould, the lifted portion of the covers will not be pushed by the lifting portions of the lifting members anymore, and the covers will naturally pivot downward by gravity to make the cover portions cover the openings of the restricting grooves, which prevents the disengagement of the pivot portions of the middle mould from the restricting grooves, and thus improving the stability and security of the middle mould during the course of lifting and rotation.
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