Abstract:
Die Erfindung betrifft einen Drehtürantrieb für eine mindestens einflügelige Tür, deren Türflügel von einem Türschliesser (1) im Öffnungs- und Schliesssinn bewegbar sind, wobei der Türschliesser (1) von einer Antriebseinheit antreibbar ist. Um einen automatischen Antrieb für eine Drehtür zu schaffen, der sehr klein gebaut ist und dessen Erscheinungsbild nicht den architektonischen Eindruck einer Tür beeinträchtigen soll, der darüber hinaus preisgünstig herzustellen und nahezu wartungsfrei sein soll, ist erfindungsgemäss vorgesehen, dass die Antriebseinheit als elektro-hydraulische Antriebseinheit ausgebildet ist.
Abstract:
A door operating apparatus for prevention of the spread of a fire including a door closer for performing an automatic door closing function, a fume sensor for generating a fume sensing signal when fumes are sensed, a heat sensor for generating a temperature sensing signal when an ambient temperature does not reach a first predetermined temperature for automatically releasing a latched state of a door, but reaches a second predetermined temperature lower than the first predetermined temperature, the second predetermined temperature representing an initial fire stage, and a door latching device for latching the door in an opened state, and releasing the latched state of the door in response to the ambient temperature when the ambient temperature reaches the first predetermined temperature due to the fire, while forcibly releasing the latched state of the door by an operating voltage applied thereto based on at least one of the sensing signals.
Abstract:
Door closure apparatus comprising a hinge having a first hinge plate for attachment to one upstanding side edge of a door, a second hinge plate for attachment to an upstanding side edge of a doorpost and means for enabling relative rotation between the two hinge plates; and magnetic means comprising a first element which includes a magnet and a second element which includes a keeper plate to which the magnet is attracted; one of the elements of the magnetic means being supported from the second hinge plate and the other of the elements being supported by the first hinge plate or the door, the arrangement being such that the elements of the magnetic means co-operate to or control movement of the door between its open and closed position.
Abstract:
A device for opening and closing a pivotally mounted door leaf (2) or the like comprises an actuator, which is displaceably and/or rotatingly arranged in a housing (10) and connected to the door leaf and which, during displacement/rotation, actuates said door leaf, and a drive motor (27) which is connected to the actuator for providing displacement/rotation thereof.
Abstract:
The present application discloses an axial operator that is configured for use with a door assembly. The axial operator comprises a rotatable operator output member that rotates about an operator axis, the operator output member being constructed and arranged to be operatively connected within the door assembly such that the operator output axis extends generally vertically. An electric motor has a rotatable motor output member that rotates about the operator axis. A reduction transmission is connected between the motor output member and the operator output member. The reduction transmission comprises (a) an orbit gear, (b) a planet gear carrier, and (c) a planet gear.
Abstract:
A safety cabinet (20) for the storage of flammable or combustible materials that has doors (31 and 32) and a closure mechanism (34) designed to automatically close and latch the doors (31 and 32) in the event of fire. The closing mechanism (39) is fully automatic and eliminates mechanical timing features as well as provides an automatic positive method and structure of closing the doors (31 and 32) of the cabinet (20) to insure a complete seal and lock. Furthermore, the latching assembly (34) is operated using a handle (70) which may be rotated into a tucked position. In this position, the handle (71) rests in a cavity (74) formed within the doors (31 and 32) of the cabinet (20) for protectively shielding the latching assembly (34) to precent accidental or unauthorized opening and handle breakage.
Abstract:
Disclosed is a fire door consisting of a functional set including at least one revolving door and a sliding door fixed thereto. The sliding door, which is designed for automatic horizontal move, comprises an auxiliary drive which in a danger situation sets the sliding door in an open position and at the same time the wing revolving door in the regulatory closed position.
Abstract:
A device for automatically controlling the operation of a sliding door for a vehicle, the sliding door being mounted on a side of the vehicle body so as to automatically be operated by a driving source such as a motor and freedom and safety incompatible with each other being able to be controlled, the device comprising a door driving portion having a motor rotatable in forward and reverse directions, motor load detecting means for detecting the load of the motor, door position detecting means for detecting a door position within a range from a fully opened position to a fully closed position, door speed detecting means for detecting the travelling speed of the door, storing means for storing the load of the motor when the vehicle body is in a normal posture as a specific load of the motor associated with the position of the door by correlating the motor load detecting means with the door position detecting means and motor control means for controlling electric power supplied to the motor, while detecting a motor speed, by a deviation between a motor load stored for a specific door position and a motor load for driving the door at that position.
Abstract:
A pneumatic device (10) comprises a piston (12) moveable along a cylinder (10). The piston has opposite ends (18, 26) defining a space (30) therebetween. The space is divided into two chambers (30a, 30b) by a housing (40) fixed relative to the cylinder and having a fluid flow control passageway (42) therethrough. The space (30) is filled with fluid, such as oil. The piston (12) is arranged such that movement thereof against a spring (16) causes the fluid to be displaced from one chamber (30a) of the space (30) to the other chamber (30b) through the passageway (42). The spring (16) is arranged to apply a return force to the piston (12) and the rate of return of the piston (12) is controlled by the return flow of fluid through the passageway (42). A pneumatic system (100) includes a device (10) connected between first and second members (58, 58a) of a building, such as a door and door frame. The pneumatic system comprises a source of compressed gas (C) for operating the device (10) to enable the device (10) to move the first member (58) relative to the second member (58a), i.e. to open and close the door. A switching device (72) controls the supply of compressed gas to the device (10).
Abstract:
A revolving door drive (15) is driven by an electromechanical driving motor (53) when the door (19) is opened, whereas the door closure is effected by a commercially available door closer (31). A device stresses the door closer (31) when the door is opened, so that the energy thus stored in the door closer is released when the door closer closes the door.