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The blind man lock / The blind man lock

The blind man lock

This is a design for the blind of the door handle, when life was in or
out of the room for the blindMay be the wrong room, this design on
the handle is arranged behind the Braille characters, can finishDiffer-
ent kinds of Braille to the blind identification room. That braille is in t
he handle of the door behind the,So not at all affect the normal visual
effect, and the normal person feels just feelThe lines I feel does not aff-
ect the normal use. You can batch production, for most of the family
doorLock.

University

Shandong university of science and technology

Shandong university of science and technology
Qingdao, China

Fengyueji Feng,
Shandong university of science and technology