Over -and -under type engineering drawing board support

The utility model discloses an over -and -under type engineering drawing board support, including the chassis, set up in the footing of chassis lower extreme, upright set up two collateral branch supporting beam that control both ends above the chassis, connect in controlling the crane between two c...

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Bibliographic Details
Main Authors ZHANG YUMEI, CHENG FANG, WANG CHUNLIN, ZHANG LIHUA, YUAN CHENDAN, DONG HONGFEI, ZHANG YANTAO
Format Patent
LanguageChinese
English
Published 17.04.2018
Subjects
CABINETS
COFFEE MILLS
DESKS
DOMESTIC ARTICLES OR APPLIANCES
DRAWERS
FURNITURE
GENERAL DETAILS OF FURNITURE
HUMAN NECESSITIES
OFFICE FURNITURE
SPICE MILLS
SUCTION CLEANERS IN GENERAL
TABLES
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Summary:The utility model discloses an over -and -under type engineering drawing board support, including the chassis, set up in the footing of chassis lower extreme, upright set up two collateral branch supporting beam that control both ends above the chassis, connect in controlling the crane between two collateral branch supporting beam and hinging in the picture grillage of crane upper end, be providedwith between crane and two the collateral branch supporting beam and be used for adjusting the lifting adjusting mechanism that the crane goes up and down, two collateral branch supporting beam are the just right location pinhole that is provided with a plurality of longitudinal arrangement each other, the crane is provided with the bayonet lock mechanism that is used for with the location pinhole cooperation location high position of crane, the picture grillage hinges there is branch, the upper end of crane is provided with a plurality of recesses corresponding to branch. The utility model relates to an over -and -u
Bibliography:Application Number: CN201720453515U