US4673073A
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Centrifugal spring clutch
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EP0154834A2
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Method and apparatus for controlling electromagnetic couplings
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GB8410990D0
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Electromagnetic caliper brakes
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Apparatus and method for controlling the engagement of a gap-type electromagnetic coupling and for alleviating engagement noise
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Methods and apparatus for controlling the engagement of gap-type electromagnetic couplings
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Electromagnetically released coupling
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Electromagnetic brake with improved armature mounting
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JPS58142061A
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Assembly of pilot-pressure ball screw with holding ring
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Armature assembly for electromagnetic coupling
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Armature assembly for an electromagnetic clutch
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Anti-kickback clutch-brake unit
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Clutch with fail-safe helical spring
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Electromagnet with replaceable friction face
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Preloaded ball screw assembly
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Stepping motor having rotor with axially spaced sections
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Wrap spring coupling with improved spring
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Amplifying clutch with radially contractible shoe
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Amplifying clutch
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Actuator having a drive screw and a selectively rotatable nut
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Surge control for electrical trailer brakes
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