Apparatus for opening and closing door members and the like

Autonomous group for mechanical control of machines

Bi-directional self-resetting force transmitting overload arm

Breakaway clutch device

Clutch

Combination electric and mechanical servo drive clutch

Drive assembly for door operator

Impulse wrench with wrap spring clutch assembly

Indexing drive disconnect

Internal overload clutch assembly

Linear actuator

Load limiting device to transmit an axial motion to operating me

Load sensing gearbox

Machine with variable torque setting

Output torque sensor and control apparatus

Over-ride mechanism for screw drive actuator

Overload control for mechanical power presses

Overload control mechanism for cargo handling machine

Overload protection

Overload protection device