English word auxiliary memory device
The utility model discloses an English word auxiliary memory device. The auxiliary memory device comprises an auxiliary memory device main body, a sleeve, a base, a rolling bearing device and a display table, a sleeve is fixedly connected to the middle of the auxiliary memory device main body; the b...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an English word auxiliary memory device. The auxiliary memory device comprises an auxiliary memory device main body, a sleeve, a base, a rolling bearing device and a display table, a sleeve is fixedly connected to the middle of the auxiliary memory device main body; the bottom end of the sleeve is in lap joint with a base; the middle of the interior of the sleeve is inembedded connection with a rolling bearing mounting device; a movable column is movably connected to the middle of the rolling bearing mounting device; one end of the rolling bearing assembling deviceis movably connected with a movable shaft; a display table is fixedly connected in the middle of the top of the sleeve; the display table is convenient for a user to watch and memorize words; rollingbearing assembling device, a user can conveniently adjust and use the device; meanwhile, a user can replace and use the internal word scroll conveniently, the practicability of the auxiliary memory device is embodied, the base |
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