Tool holder is used in financial affairs teaching
Tool holder is used in financial affairs teaching belongs to financial teaching aid field, and including the telescopic mobile jib, the mobile jib top is equipped with threaded connection's handle, is equipped with a plurality of jacks on the mobile jib, and the jack interpolation has the dead...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Tool holder is used in financial affairs teaching belongs to financial teaching aid field, and including the telescopic mobile jib, the mobile jib top is equipped with threaded connection's handle, is equipped with a plurality of jacks on the mobile jib, and the jack interpolation has the dead lever, still includes a plurality of box bodys, and the box body is equipped with the bearing including the stationery box on upper strata and the books box of lower floor, the lower extreme of box body central part, and bearing welding down has the sleeve, and the sleeve lower part is equipped with the fixed orifices that matches with the dead lever, the beneficial effects of the utility model are that: the function is many, and is small and exquisite, compact structure, convenient to use's technological advantage |
---|