Servo motor for door opener has a brake disc with mechanical brake to hold the door in the open position
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Device for automatic operation of doors has decoupling device which is arranged outside door-closer and actuated door opening lever is connected with door to be opened
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Door opener has absolute position sensor, a control system drive with absolute position potentiometer, optical or magnetic field sensor between drive and linkage
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Quick nut
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Door opener with linear gear
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Door Opener
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Quick nut
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Rapid clamp nut is divided into inner body with spindle opening and connected outer body movable relative to each other via gears to allow very high pressure of pressing body on tool
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Quick nut
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Adjustment mechanism for distance between discs used for cutting grooves in e.g. walls, comprises block which can be slid along disc drive shaft
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Hollow drill and change holder for this
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Door opener
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Hydraulic gear pump, in particular for a door operating device
