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United States of America Patent
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N/A
Issued Date -
Jul 13, 2017
app pub date -
Jan 11, 2017
filing date -
Jan 12, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
An operation device is provided with: a coupler portion configured to be coupled to a travel member that travels within a travel space that is located above a passage space that allows an operator to pass through; and a rod-shaped portion that extends from the coupler portion to the passage space. The travel member is provided with: a brake mechanism; a coupling-target portion to which the coupler portion is coupled; and a cancellation input terminal. The operation device is provided with: a cancellation output terminal configured to be connected to the cancellation input terminal; a command receiver configured to receive a manual operation that is performed to make an instruction to output the cancellation signal; and a grip configured to be gripped by the operator. The grip and the command receiver are located within the passage space when the coupler portion is coupled to the coupling-target portion.
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