TOOL BAR
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United States of America
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Issued Date -
Dec 16, 2021
app pub date -
Sep 28, 2020
filing date -
Sep 28, 2020
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Disclosed is a tool bar. The tool bar comprises a head part, a tail part, a pipe connection assembly, a backstop mechanism and a bushing member. The head part and the tail part are connected with each other by the pipe connection assembly. The bushing comprises a cone section and a cylinder section; one end of the head part passes through the cylinder section and connected to an inner thread of the cone section; the outer side of the cone section is configured to secure with a tool head; an external thread is provided on an outer surface of the cylinder section. The backstop mechanism comprises an intermediate member and a lock cap; the intermediate member is a hollow cylinder.
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