作者: John S. Husted , Dennis D. Humphrey , William P. Camp
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摘要: A handle for a paint roller frame includes an inner core made of substantially rigid plastic material and outer grip softer rubber-like surrounding the extending part way around both ends thereof. At end is internally threaded opening surrounded by planar wall. The portion overlying wall which acts like locking washer, resisting unscrewing extension pole from when screwed down tight flange at base threads comes into contact with