192 clutches and power-stop control – Clutches – Torque responsive
Patent
1995-03-22
1997-12-16
Marmor, Charles A.
192 clutches and power-stop control
Clutches
Torque responsive
192150, 403 96, 901 13, 901 29, 901 49, B25J 1900
Patent
active
056974809
ABSTRACT:
A breakaway connection for securely mounting a tool to a robot is disclosed. The breakaway connection incorporates a plunger that is spring biased from a moving member into a notch in a fixed member. Moment arm forces on the tool are translated to the connection between the plunger and the notch. Should those overload forces exceed the spring force on the plunger, the plunger moves out of the notch. At that time, the tool is free to pivot relative to the housing to a disabled position. This pivoting movement allows the tool to move away from an obstruction that might have caused the force. A universal joint connection is used between the moving member and its housing. The spring force on the plunger may be adjusted. In addition, a sensor may monitor movement of the plunger and communicate with a control for the robot to allow the robot to identify when the plunger begins to move. In other features, additional structure may be incorporated with the breakaway connection to resist an axial force directly into the tool. Several embodiments of the axial force resistance structure are disclosed. In some embodiments, a spring provides a resistance force, and in one embodiment, a breakaway connection is provided relative to an axial force.
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Filipiak Michael A.
Herbermann Alfred F.
Marmor Charles A.
Rodriguez Saul J.
Syron Engineering & Manufacturing Corporation
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