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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0329155 (1994-10-24) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 25 인용 특허 : 0 |
A handle device includes two tubes slidably engaged in two pipes which has a number of teeth. A handle is secured on top of the tubes and has a hand grip slidably engaged in the lower portion. Two blocks are secured to the lower ends of the tubes. Two catches are slidably engaged in the blocks. Two
A handle assembly comprising: two pipes each including an open upper end and including a plurality of first teeth provided therein, two tubes including upper ends and lower ends slidably engaged in said pipes via said open upper ends of said pipes, a handle secured on said upper ends of said tubes a
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