Prevent blackboard reflex reflector
The utility model provides a prevent blackboard reflex reflector relates to the teaching aid field, prevent blackboard reflex reflector includes fixing support, swivel mount, inclined to one side vibration -damping sheet support frame and two inclined to one side vibration -damping sheet, two inclin...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model provides a prevent blackboard reflex reflector relates to the teaching aid field, prevent blackboard reflex reflector includes fixing support, swivel mount, inclined to one side vibration -damping sheet support frame and two inclined to one side vibration -damping sheet, two inclined to one side vibration -damping sheet parallel arrangement, one of them partially vibration -damping sheet with inclined to one side vibration -damping sheet support frame rigid coupling, another partially vibration -damping sheet with the vibration -damping sheet support frame rotates and connects partially, partially the vibration -damping sheet support frame with fixing support rotates the connection, partially the vibration -damping sheet support frame with the swivel mount butt, fixing support with the swivel mount be used for respectively with the wall rigid coupling. The utility model provides a prevent blackboard reflex reflector has solved the technical problem that the blackboard reflects light and lead |
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