| 摘要 |
PROBLEM TO BE SOLVED: To prevent a cover body capable of being opened or closed in a small sized printer from carelessly being opened. SOLUTION: A vertical guide flute 26 open upward and inside and a punched window 31 as a horizontal flute communicated thereto are formed to a guide support block 24 fixed to left and right sides of a main body case 2. Locking pieces 25 and 25 are provided to left and right sides of an under surface of the cover body 13, the guide body 13 is made to swing downward so as to be in parallel to an upper surface of the main body case 2 and the locking piece 25 is inserted into the vertical guide flute 26. When the cover body 13 is advanced horizontally under that condition, the locking piece 25 is located at a position of the punched window 31 as the horizontal flute communicated to the vertical guide flute 26 so that the cover body 13 is prevented from being carelessly not opened. |
