| 摘要 |
PROBLEM TO BE SOLVED: To simply join case members constituting an exterior with strength capable of withstanding even portable use by a reduced number of parts. SOLUTION: The exterior cover of a drive mechanism part applying recording to a material to be recorded is constituted of upper and lower cases 100, 101 and a projected part 101a is formed to the divided surface with the upper case 100 of the lower case 101. A pawl part 100b is formed to one side part of the upper case 100 and the hook part 101b with which the pawl part 100b is engaged is formed to one side part of the lower case 101. The other side parts of the upper and lower cases 100, 101 are clamped mutually by rivets 123 to be fixed. |
