HOOK DEVICE AND CRANE
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Jan 30, 2020
app pub date -
Jul 26, 2019
filing date -
Jul 26, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A hook device includes a central shaft which extends in a first direction, and a first locking portion and a second locking portion which are disposed such that the central shaft is interposed therebetween, in a second direction orthogonal to the first direction. The first locking portion and the second locking portion are connected to the central shaft in a state where the first locking portion and the second locking portion are not rotatable independently around an axis extending in the first direction and are rotatable around an axis extending in a third direction different from the first direction and the second direction.
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