发明名称 STEPLADDER WITH HORIZONTALLY ADJUSTING FUNCTION
摘要 PROBLEM TO BE SOLVED: To provide a stepladder capable of relatively reducing a level difference and capable of maintaining a parallel state by easily grounding legs on the ground surface in an almost flat place. SOLUTION: This stepladder 1 with a horizontally adjusting function is a stepladder 1 having four legs 2A to 2D and becoming an almost rectangular shape in a diagram drawn by connecting the respective tips of the four legs 2A to 2D, and has a leg length adjusting means 3 for continuously extending/ contracting the respective leg lengths of either one set of legs 2A, 2C positioned on a diagonal line of a rectangle. A freely rotatable leg stand is suitably provided on the respective tips of the four legs 2A to 2D. The length adjusting means 3 is provided, and a level is suitably provided on a connecting arm 7 for joining respective ones of a set of legs 2A, 2C positioned on the diagonal line of the reactangle.
申请公布号 JP2000352285(A) 申请公布日期 2000.12.19
申请号 JP19990166601 申请日期 1999.06.14
申请人 NEC ENG LTD 发明人 UEMORI TAKASHI
分类号 E04G1/30;E06C1/39;E06C7/44;G01C9/24;(IPC1-7):E06C7/44 主分类号 E04G1/30
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