Teaching-used roll-call machine

The invention discloses a teaching-used roll-call machine, so as to reduce the roll-call time of a teacher. The teaching-used roll-call machine comprises a box body, a bottom plate, an upper plate, marking units and number plates, wherein the box body is internally provided with a raceway and a conv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG RIMAO, GAO LIQIN, ZHANG CHUNMEI, WANG CHAOYANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES GENERATING RANDOM NUMBERS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TIME OR ATTENDANCE REGISTERS VOTING OR LOTTERY APPARATUS
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Beschreibung
Zusammenfassung:	The invention discloses a teaching-used roll-call machine, so as to reduce the roll-call time of a teacher. The teaching-used roll-call machine comprises a box body, a bottom plate, an upper plate, marking units and number plates, wherein the box body is internally provided with a raceway and a conveying channel arranged vertically, a sliding groove is arranged between the raceway and the conveying channel, a support plate is arranged in the sliding groove, a strip hole is arranged in the support plate, and the box body is internally provided with a cylinder driving the support plate to move back and forth; the plurality of marking units arranged uniformly along a straight line are arranged above the raceway, each marking unit comprises a marking rod and an actuating rod arranged vertically, the lower end of the actuating rod extends to the raceway, a retaining rod is fixed on the upper wall of the raceway, and the length of the retaining rod is seen to be gradually increased from theupper end of the raceway