A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ground bolt hole seat convenient for clearing sundries
The invention discloses a ground bolt hole seat convenient for clearing sundries. The ground bolt hole seat comprises a riser and a jack post capable of moving up and down in the riser, wherein a step hole formed by a small hole and a big hole is formed in the jack post, the big hole is communicated with the outside through the small hole, the aperture of the small hole is matched with the diameter of a bolt movable rod, and the axial size of the big hole is greater than that of the small hole.
Ground bolt hole seat convenient for clearing sundries
The invention discloses a ground bolt hole seat convenient for clearing sundries. The ground bolt hole seat comprises a riser and a jack post capable of moving up and down in the riser, wherein a step hole formed by a small hole and a big hole is formed in the jack post, the big hole is communicated with the outside through the small hole, the aperture of the small hole is matched with the diameter of a bolt movable rod, and the axial size of the big hole is greater than that of the small hole.
Ground bolt hole seat convenient for clearing sundries
GU KAIMING (author)
2015-07-01
Patent
Electronic Resource
English
IPC:
E05C
Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster
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BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
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