| 摘要 |
PROBLEM TO BE SOLVED: To form a mechanically simple lock system for releasable connection of at least two casing half portions which provides lock of the casing half portion under fastening due to a principle of toggle lever equation. SOLUTION: A spring-elastic lock metal sheet (10) has a plurality of tabs (11, 13 and 11), openings (12 and 14) are provided on the tabs, the openings (12 and 14) correspond to a holding pin (4) in a first casing half portion (3) and a support pin (7) in a second casing half portion (6), and the tab of the lock metal sheet (10) is provided so as to receive flexure or extension which unlocks or locks both the casing half portions (3 and 6) via a movable slide element (20) surrounding the lock metal sheet (10). COPYRIGHT: (C)2011,JPO&INPIT
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