Annular cross-sectioned clutch assembly for connecting a tool to

Details Annular cross-sectioned clutch assembly for connecting a tool to Annular cross-sectioned clutch assembly for connecting a tool to

1996-12-06

1998-11-24

Marmor, Charles A.

192 clutches and power-stop control

Clutches

Torque responsive

901 49, F16D 702

Patent

active

058395571

ABSTRACT:
An annular cross-sectioned clutch assembly for connecting a tool such as a paint gun to the end of a robotic arm is provided. A diaphragm-mounting plate connects on an outer side to the end of the robotic arm. An annular diaphragm is mounted to the diaphragm-mounting plate. The diaphragm has an inner surface, with the inner surface forming a pressure tight chamber with the diaphragm-mounting plate for connection to a programable source of air pressure. A clutch plate has an annular diaphragm-engagement surface engaged with a central portion of the diaphragm. Springs between the clutch plate and the diaphragm-mounting plate bias the clutch plate away from the diaphragm-mounting plate in conjunction with air pressure in the chamber. Structure is provided to establish a normal position of the clutch assembly. Additional structure is provided to establish physical limits of travel of the clutch plate with respect to the diaphragm-mounting plate. Electrical devices generate an electrical signal in response to movement of the clutch plate away from the normal position.

REFERENCES:
patent: 4717003 (1988-01-01), McCormick et al.
patent: 4842114 (1989-06-01), Hepp
patent: 4884670 (1989-12-01), McCormick et al.
patent: 4952117 (1990-08-01), Nerger
patent: 4998606 (1991-03-01), McCormick et al.
patent: 5002173 (1991-03-01), Hucul et al.
patent: 5086901 (1992-02-01), Petronis et al.

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