Patent ID: 7849753

Claim:
A strength testing device for testing a connection strength between a first and a second articles, the testing device comprising: a workbench; a supporting member adjustably attached to the workbench and configured for supporting the first article thereon in a first direction; a blocking member adjustably attached to the workbench and configured for abutting a first side of the first article in a second direction perpendicular to the first direction; at least one clamping member adjustably attached to the workbench in a third direction perpendicular to the first and second direction, the at least one clamping member configured for abutting a second side of the first article opposite to the first side to sandwich the first article between the blocking member and the clamping member to keep a connecting interface between the first and second articles vertical; and a tester comprising a suspending member, and a blade member attached to the suspending member, the blade member comprising a blade configured for seating on the second article, the suspending member comprising a holder to hold a critical weight configured for applying a force on the second article to break the first and second articles along the connection interface, a gravity line of the weight crosses at the blade.