| 摘要 |
A CLAMPING DEVICE FOR KEY DUPLICATING MACHINE WITH DUAL PIVOTED JOINT COMPRISING A PAIR OF LEFT AND RIGHT SYMMETRICAL CROSS GROOVES (11) FORMED ON THE FRONT SIDE OF A SUBSTRATE (1), AND ALIGNED ONE WITH THE OTHER, FOR SECURING A PAIR OF LEFT AND RIGHT VISES (2,2''), IN ORDER TO ENABLE THE SAME PAIR OF VISES TO CLAMP DIFFERENT TYPES OF KEYS BY TURNING AND CHANGING FROM ONE OF THE TWO CONFRONTING SIDE EDGES OF THE VISES (2,2'') TO THE OTHER; AND TWO PIVOTED JOINTS PROVIDED ON THE BACK SIDE OF THE SUBSTRATE (1), FOR ROTATING THE PAIR OF LEFT AND RIGHT VISES (2,2'') TO A DIFFERENT ANGULAR POSITION, AND FOR EFFECTING DUPLICATION OF THE DIFFERENT TYPES OF KEYS (3,3'').FIG. 3
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