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Climbing resistant pole assembly
专利权人:
Jerry W. Powell; Jr.
发明人:
Jerry W. Powell, Jr.
申请号:
US12687248
公开号:
US08104430B1
申请日:
2010.01.14
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A pole assembly includes a pole having a hollow interior and at least one longitudinally elongated slot formed through the pole communicating with the hollow interior. A sleeve is slidably disposed around the pole and has at least one arm extending through the slot. A pulley and a counterweight are disposed inside the pole. A cord extends over the pulley between the at least one arm and the counterweight within the hollow interior.
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