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Motorized extension pole
专利权人:
Mark J. Ramsey
发明人:
Mark J. Ramsey,Mark C. Ramsey
申请号:
US14269382
公开号:
US09009920B1
申请日:
2014.05.05
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A motorized extension pole including a first hollow pole member having a second pole member telescopically mounted in said first pole member. The second pole member is selectively moved between extended and retracted positions with respect to said first pole member by a battery powered drive motor. The drive motor is mounted within a handle attached to the inner end of the first pole member. A coupling mechanism interconnects the handle to the first pole member which permits the first pole member to be selectively rotated without rotating the handle so that the control switch on the handle is always located in a convenient position. The pole also includes limit switches for controlling the retraction and extension of the second pole member.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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