But height -adjusting's building surveying appearance

The utility model discloses a but height -adjusting's building surveying appearance, comprising a base plate, the last fixed surface of bottom plate is connected with the fixing base, the both sides on fixing base surface respectively with the bottom swing joint of two lower folded plates, and...

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Bibliographische Detailangaben
Hauptverfasser: CHEN WEI, CHEN TINGTING, WANG XIN, ZHUO SHANCHAI, FANG GUOLIANG, JI MAOPING, FAN ZHIHUA, ZHOU JIANFEN, ZHOU WEIMING, WANG MIN, CHEN GUIHONG, YANG SHIXUANHU, CHEN WEIQING, WANG YANLUAN, WU XIAOFEI, PAN XIAO, CHEN XIAO, FAN SHIFA, QU JUNXING
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model discloses a but height -adjusting's building surveying appearance, comprising a base plate, the last fixed surface of bottom plate is connected with the fixing base, the both sides on fixing base surface respectively with the bottom swing joint of two lower folded plates, and the top of two lower folded plates is articulated with two bottoms of going up folded plates respectively, two the top of going up the folded plate respectively with the both sides swing joint of installation block list face, the fixed cover of top fixedly connected with of fixing base, the piston has been cup jointed in the fixed cover, return spring and the fixed inner wall movably connected who overlaps are passed through to the bottom of piston. The utility model discloses a to the improvement of measuring apparatu, when pushing down the measuring apparatu, can make in the fixed cover of depression bar retraction to can adjust the height of measuring apparatu, under the effect of return spring resilience force, can