Blackboard eraser with telescopic handle bar

Abstract

The invention provides a blackboard eraser with a long telescopic handle bar. The back of an eraser body of the blackboard eraser is connected with the handle bar capable of being adjusted in a telescopic mode. Due to the arrangement of the blackboard eraser, blackboards at the high positions can be cleaned conveniently.

Description

technical field [0001] The invention relates to a blackboard eraser, in particular to a blackboard eraser with a telescopic handle. Background technique [0002] The various blackboard erasers used now are all hand-held short rectangular structures. Although this hand-held small-sized blackboard eraser is more convenient for hand-held use, it is very inconvenient to erase the blackboard at a higher position. Contents of the invention [0003] The invention provides a blackboard eraser provided with a telescopic handle, which can conveniently erase a blackboard at a higher position. [0004] The invention includes an eraser of a blackboard eraser, and the adopted technical solution is that: the blackboard eraser is connected with a retractable and adjustable handle behind the eraser. [0005] The beneficial effect of the present invention is that: through the above-mentioned arrangement, the length of the handle can be adjusted as needed during use, and the blackboard at a...

AI Technical Summary

Problems solved by technology

[0002] All kinds of blackboard erasers in use now are hand-held and have a short rectangular structure. Although this small-sized hand-held blackboard eraser is more convenient for hand-held use, it is very inconvenient to erase the blackboard at a higher position.

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