EP2754827A2 - Betätigungsanordnung zur Verwendung mit automatischen Schiebe- und Falttüren - Google Patents

Betätigungsanordnung zur Verwendung mit automatischen Schiebe- und Falttüren Download PDF

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Publication number
EP2754827A2
EP2754827A2 EP14151187.3A EP14151187A EP2754827A2 EP 2754827 A2 EP2754827 A2 EP 2754827A2 EP 14151187 A EP14151187 A EP 14151187A EP 2754827 A2 EP2754827 A2 EP 2754827A2
Authority
EP
European Patent Office
Prior art keywords
door
motor
enclosure
spindle
converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14151187.3A
Other languages
English (en)
French (fr)
Other versions
EP2754827A3 (de
Inventor
Angelo Nixon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Opcon International Holdings LP
Original Assignee
Opcon International Holdings LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/741,828 external-priority patent/US20130212948A1/en
Application filed by Opcon International Holdings LP filed Critical Opcon International Holdings LP
Publication of EP2754827A2 publication Critical patent/EP2754827A2/de
Publication of EP2754827A3 publication Critical patent/EP2754827A3/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/605—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for folding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
    • E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements; Members cooperating with flexible elongated pulling elements
    • E05Y2201/646—Flexible elongated pulling elements; Members cooperating with flexible elongated pulling elements continuous, e.g. closed loops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/644—Flexible elongated pulling elements; Members cooperating with flexible elongated pulling elements
    • E05Y2201/652—Belts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/452—Mounting location; Visibility of the elements in or on the floor or wall
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/12—Sealing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/15—Applicability
    • E05Y2800/17—Universally applicable
    • E05Y2800/176—Universally applicable on different wing types
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/70—Retrofitting of elements

Definitions

  • the invention relates generally to door operating systems for operating sliding, folding, or swinging doors and, more particularly, to kits for retrofitting generally moisture intolerant door operating apparatuses, typically mounted overhead in standard installations, and particularly for building ingress and egress doors.
  • Automatic doors are doors that are powered open or powered closed or both. If an automatic door is powered open only, then, it is conventionally spring closed or hydraulically closed.
  • Automatic swing doors conventionally employ a sensor or switch to activate the door.
  • the sensor detects approaching traffic and may be a motion sensor, infrared sensor, or pressure sensor.
  • the switch is conventionally operated manually and may take the form of a push button, swipe card, or other available switch type access or security system. Alternatively the switch may be activated by pushing or pulling the door, so that once the door detects the movement it completes the open and close cycle. These are also known as power-assisted doors.
  • Swinging doors are hinged and pivot around an axis in an inward or outward direction or both. Automatic swinging doors are coupled to a source of torque, that is, a door operating apparatus, for providing the force necessary to pivot the door open or closed or both.
  • a door operating apparatus Most commercially available door operating apparatuses are electromechanical or electrohydraulic and are positioned above the door in an overhead position for ease and economy of installation. Most commercially available swing door operating apparatuses are spring closed.
  • the TormaxTM Model TN (Tormax is registered trademark of Landert Motoren AG, BülachZürich, Switzerland) is a floor mounted door operator and is manufactured as an automatic door operator.
  • the Model TN is an underground hydraulic closer with a remotely mounted electric pump system that pushes hydraulic fluid within a floor closer to operate a door.
  • the pump system and electronics are mounted remotely and are not mounted underground.
  • the Model TN is a hydraulic device and is not considered an electromechanical door operating apparatus.
  • the TormaxTM Model TN110 is a floor mounted direct drive operator with a remotely mounted control system that utilizes a motor and gearbox to operate a door. Accordingly, commercially available self-contained electromechanical or hydraulic conversion kits to convert door operating apparatuses that are typically mounted overhead, and to be converted for use underground or in a sub-floor stratum are unknown.
  • an operating assembly for use with a sliding or folding door.
  • the operating assembly has a motor assembly that is comprised of a motor and a gearbox.
  • the operating assembly also has a drive spindle adapted to be rotated by the motor.
  • An enclosure houses the motor and is structured and arranged for positioning in a cavity of a surface of a floor.
  • the operating assembly also has an actuator assembly.
  • the actuator assembly has a slotted sway track threshold structured and arranged for attachment to a top surface of the floor.
  • the sway track has opposed first and second ends and a slot that extends substantially along a length of the threshold.
  • a linear actuator track is structured and arranged for attachment to the enclosure and has opposed first and second ends and a slot configured to receive at least a portion of the drive spindle.
  • a first converter is positioned at the first end of the actuator track and is coupled to the drive spindle.
  • a second converter is positioned at the second end of the actuator track.
  • a drive element is positioned in the slot of the sway track and is structured and arranged for attachment to a bottom surface of the door.
  • a transfer device couples the first and second converters to the drive element. During operation, the motor rotates the drive spindle and the first converter to move the transfer device to move the drive element along the slot of the sway track.
  • an operating system in another embodiment, has a sliding or folding door and an operating assembly.
  • the operating assembly has a motor and a drive spindle adapted to be rotated by the motor.
  • the motor is housed in an enclosure that is structured and arranged for positioning in a cavity beneath the surface of a floor.
  • a slotted threshold sway track is structured and arranged for attachment to a top surface of the floor.
  • the slotted threshold sway track has opposed first and second ends and a slot that extends substantially along a length of the sway track.
  • a linear actuator track is structured and arranged for attachment to the enclosure.
  • the actuator track has opposed first and second ends and a slot configured to receive a portion of the drive spindle.
  • a first converter is positioned at the first end of the actuator track and is coupled to the drive spindle.
  • a second converter is positioned at the second end of the actuator track.
  • a drive element is positioned in the slot of the sway track and is structured and arranged for attachment to a bottom surface of the door.
  • a transfer device couples the first and second converters to the drive element. During operation, the motor rotates the drive spindle and the first converter to move the transfer device to move the drive element along the slot of the sway track to move the door.
  • an operating assembly for use with a door.
  • the operating system has a motor and a drive spindle adapted to be rotated by the motor.
  • An enclosure is adapted to house the motor.
  • the enclosure is structured and arranged for vertical positioning in a cavity in an adjacent structure such as a door jam or wall.
  • the operating assembly has an actuator assembly.
  • the actuator assembly has a slotted sway track structured and arranged for attachment to a top surface of a floor.
  • the sway track has opposed first and second ends and a slot that extends substantially along a length of the threshold.
  • An actuator track is structured and arranged for attachment to the top surfaced of the floor.
  • the actuator track has opposed first and second ends and a slot configured to receive a portion of the drive spindle.
  • a first converter is positioned at the first end of the actuator track and is coupled to the drive spindle.
  • a second converter is positioned at the second end of the actuator track.
  • a drive element is positioned in the slot of the sway track and is structured and arranged for attachment to a bottom surface of the door.
  • a transfer device couples the first and second converters to the drive element. During operation, the motor rotates the drive spindle and the first converter to move the transfer device to move the drive element along the slot of the sway track.
  • an operating assembly for use with a door.
  • the operating assembly has a motor and a drive spindle adapted to be rotated by the motor.
  • An enclosure is adapted to house the motor and is structured and arranged for positioning in a cavity in a surface of a floor.
  • the operating assembly also has an actuator assembly.
  • the actuator assembly has a spindle passing through a first hole of the enclosure to engage a bottom surface of the door.
  • a converter is coupled to the spindle. During operation, the motor rotates the spindle and the first converter to rotate the spindle to move the door between the open and closed positions.
  • Figs. 1-6 , 13 , and 14 illustrate an example of a retrofit conversion kit for coupling a door operating apparatus (2) to a swinging door (4) ( Figs. 1-6 ) or a folding door (112) ( Figs. 13-14 ) for operating the swinging door (4) or folding door (112) from a sub-floor stratum (6) and for sealing the door operating apparatus (2) within the sub-floor stratum (6).
  • cement case (8, 12) is shown below the operating assembly (52) for clarity.
  • the door operating apparatus (2) is electromechanical or is otherwise of a type that is generally intolerant to moisture.
  • the door operating apparatus (2) is of a type that is designed for operation from a position other than the sub-floor stratum (6).
  • the retrofit conversion kit can be employed for converting the door operating apparatus (2) from overhead use to underground use.
  • the retrofit conversion kit includes an enclosure (8) for containing the door operating apparatus (2).
  • the enclosure (8) includes an upper portion (10) and a lower portion (12).
  • the upper and lower portions (10 and 12) of the enclosure are made of a moisture impervious material, including for example, cement, galvanized steel, stainless steel, or a composite material.
  • the upper and lower portions (10 and 12) of the enclosure are attachable and detachable to and from one another for providing access for installing and adjusting the door operating apparatus (2) within the lower portion (12) of the enclosure and may be secured, for example, with liquid concrete such as "Quik-Crete®" or "Pour-Stone.”
  • the lower portion (12) of the enclosure is anchorable within the sub-floor stratum (6).
  • the upper portion (10) of the enclosure defines a first hole (14).
  • One or more fasteners (16) are provided for fastening and unfastening the upper and lower portions (10 and 12) of the enclosure.
  • Preferred fasteners (16) are press-fitted rivet nuts, machine pressed into the lower enclosure portion (12), with machine screws inserted through the fastening holes (16) in the upper enclosure portion (10).
  • the retrofit conversion kit also includes a spindle (18). The spindle (18) is adapted for rotationally engaging the door operating apparatus (2) within the enclosure (8).
  • the spindle (18) is also adapted for passing through the first hole (14) of the enclosure (8) for vertically and rotationally engaging the swinging door (4) or the folding door (112) both for providing vertical support to the swinging (4) or folding door (112) and for transmitting torque from the door operating apparatus (2) to the swinging (4) or folding door (112).
  • the retrofit conversion kit also includes various sealing arrangements.
  • An embodiment of a sealing arrangement is illustrated in Fig. 1 .
  • a first sealing ring (20) encircles the first hole (14) and forms a moisture tight seal with the upper portion (10) of the enclosure.
  • the first sealing ring (20) is adapted for providing both passage of the spindle (18) through the first hole (14) and rotational freedom of the spindle (18) within the first hole (14) while simultaneously forming a moisture tight seal between the spindle (18) and said first sealing ring (20).
  • the first sealing ring (20) also provides lateral support between the enclosure (8) and the spindle (18).
  • the first sealing ring (20) has a composition of self-lubricating thermoplastic.
  • a gasket (22) is positioned between the upper and lower portions (10 and 12) of the enclosure for making a moisture tight seal therebetween when the upper and lower portions (10 and 12) of the enclosure are attached to one another by one or more of the fasteners (16).
  • the gasket (22) has a vinyl, rubber, cork, or other composition suitable for use therefore.
  • the enclosure (8) provides an overall moisture tight containment of the door operating apparatus (2) when operating from the sub-floor stratum (6).
  • the sealing arrangements taken together and in combination with the other structural elements of the retrofit conversion kit also serve a surprising mechanical function.
  • bearings in the bearing plate and in the top plate provide lateral support to the spindle (18) to cope with lateral forces upon the swinging (4) or folding (112) door.
  • the structural support for these bearings can contort.
  • the first sealing ring (20) can take on a temporary bearing function and can provide additional lateral support to the spindle (18) and to the door (4, 112) when the width of the first sealing bearing (20) is expanded laterally to attach to the enclosure (8, 10) through existing holes using the typical fasteners.
  • the lateral bearing force borne by the first sealing ring (20) is transferred to the enclosure (8) anchored to the sub-floor stratum (6).
  • the first sealing ring (20) can provide occasional mechanical functions, as well as maintaining its sealing function.
  • the first sealing ring (20) includes a first O-ring (24) for contacting the spindle (18) for facilitating the formation of the moisture tight seal between the first sealing ring (20) and the spindle (18).
  • an automatic door operator system (25) is coupled to the door operating apparatus (2) and is enclosed therewith within the enclosure (8). When the enclosure (8) is sealed, it provides an overall moisture tight containment of the door operating apparatus (2) and the automatic door operator system (25) coupled thereto when operating from the sub-floor stratum (6).
  • the retrofit conversion kit further comprises a threshold cover (26) for spanning over the enclosure (8), the threshold cover (26) defining a second hole (28) for accommodating the passage of the spindle (18) therethrough.
  • This threshold cover (26) includes a second sealing ring (30) that encircles the second hole (28) and forms a moisture tight seal with the threshold cover (26).
  • the second sealing ring (30) is adapted for providing both passage of the spindle (18) through the second hole (28) and rotational freedom of the spindle (18) within the second hole (28) while simultaneously forming a moisture tight seal between the spindle (18) and said second sealing ring (30).
  • the second sealing ring (30) has a composition of self-lubricating thermoplastic.
  • the second sealing ring (30) preferably includes a second O-ring (32) for contacting the spindle (18) for facilitating the formation of the moisture tight seal between the second sealing ring (30) and the spindle (18).
  • the optional threshold cover (26) is flooring material (34), such as stone, terrazzo, tile, carpet, etc. ( FIG. 6 ).
  • the flooring material (34) may further include silicone joint material (36) attached thereto for forming a moisture tight seal between the flooring material (34) and the sub-floor stratum (6) and/or with a floor above the sub-floor stratum (6).
  • the optional threshold cover (26) is a flat transition plate (38) without the typical sloping edges of a threshold. This flat plate transitions between interior and exterior flooring in a level plane, thus allowing smoother ingress and egress for wheelchairs and other wheeled vehicles.
  • the door operating apparatus (2) is of a type that requires power from an external electric power line or requires an electrical connection between multiple door operating apparatuses.
  • the installer forms an opening in the enclosure (8) for passing the electric power line thereinto for powering the door operating apparatus (2).
  • the seal integrity of the enclosure (8) is maintained by using liquid-tite electrical fittings that offer an internal gasket within the fitting that attaches to the enclosure by bolting.
  • the door operating apparatus (2) is of a type that is electromechanical and generally moisture intolerant and designed for operation from a position other than a sub-floor stratum (6).
  • a lower portion (12) of an enclosure is anchored within the sub-floor stratum (6).
  • the door operating apparatus (2) and a coupling device are installed within the lower portion (12) of the enclosure.
  • the door operating apparatus (2) and a coupling device are rotationally coupled to one another.
  • the coupling device includes a spindle (18) for rotationally coupling to the swinging door (4) or the folding door (112).
  • the door operating apparatus (2) and the coupling device are sealed within the enclosure (8) with a moisture tight seal by attaching an upper portion (10) of the enclosure to the lower portion (12) of the enclosure with a gasket (22) therebetween while simultaneously providing for a moisture tight rotationally free passage of the spindle (18) through the upper portion (10) of the enclosure. Then, the spindle (18) is vertically and rotationally engaged with the swinging door (4) or folding door (112) for providing vertical support to the swinging (4) or folding (112) door and for transmitting torque from the door operating apparatus (2) to the swinging (4) or folding (112) door.
  • the enclosure (8) provides an overall moisture tight containment of the door operating apparatus (2) when operating from the sub-floor stratum (6).
  • Figs. 1-6 , 13 , and 14 illustrate a kit for converting any manufacturer's overhead mounted swinging ( Figs. 1-6 ) or folding ( Figs. 13-14 ) door apparatus from overhead use to underground use.
  • the kit protects the door operating apparatus (2) against moisture and dust encroachment within its underground location.
  • the illustrated example includes a water tight sealing ring (20) for sealing the spindle (18) within the enclosure (8) and a water tight gasket (22) for sealing the two halves of the enclosure (8).
  • the gaskets (22) may have a vinyl, rubber, or cork composition.
  • This sealing system renders the enclosure (8) watertight and enables the door operating apparatus (2), including its electronic components, to be self-contained and protected against water and dust encroachment within the enclosure (8).
  • Use of this sealing system as part of the conversion kit referred to above affords the first conversion kit that enables an overhead electromechanical automatic door operating apparatus to be converted for use in a sub-floor position within a self-contained enclosure (8) that is sealed against moisture and dust encroachment.
  • This sealing system can be unsealed to provide access to the underground components for maintenance or adjustments and can be resealed without compromising the integrity of the seal.
  • the sealing system is reusable and permits continual access within the enclosure (8) to the components of the automatic door operating apparatus (2) and system (25), and provides a moisture-tight self-contained enclosure (8), while permitting rotation of the apparatus spindle (18).
  • the door (4, 112) does not need to be removed to perform maintenance or adjustments.
  • the sealing system includes a first (20) or second (30) sealing ring or both.
  • the first sealing ring (20) is mounted with a moisture-tight fit in the first hole (14) of the upper portion (10) of the enclosure through which the spindle (18) exits.
  • the moisture tight fit may be achieved by mechanically pressing the sealing ring (20) into the upper portion (10) of the enclosure.
  • the moisture tight fit may be achieved by the application of a layer (40) of sealant between the surface of the enclosure (8) and the sealing ring (20).
  • a sealant (40) for forming this layer may be a commercially available viscous sealant paste that develops into a semi-flexible seal for increasing the reliability of gasket seals, such as PermatexTM Form-A GasketTM No. 2 Non-Hardening Sealant ("PermatexTM", and "Form-A-GasketTM” are trademarks of Permatex, Inc., Hartford, Conn.).
  • the second sealing ring (30) is mounted with a water tight seal in the second hole (28) of the threshold cover (26) through which the spindle (18) exits. This moisture tight fit can be achieved by the application of a layer (41) of sealant between the surface of the threshold cover (26) and the second sealing ring (30).
  • a preferred sealant for forming this layer (41) is the same as sealant (40). If the first and second sealing rings (20 and 30) are employed with a retrofit kit having an adjustable spindle location (as described in co-pending patent application Ser. No. 12/107,018 entitled “Adjustable Spindle Arrangement for Door Operating Apparatus Retrofit Kit, filed Apr. 21, 2008, incorporated herein by reference), the first and second sealing rings (20 and 30) are aligned with the spindle in its desired location before they are mounted with the layer of sealant (40 and 41, respectively).
  • the upper portion (10) of the enclosure includes a splice (42) that bisects the first hole (14) for facilitating the disassembly of the upper portion (10) of the enclosure for providing access to the door operating apparatus (2) therein.
  • the threshold cover (26) includes splice (44) that bisects the second hole (28) for facilitating the disassembly of the threshold cover (26) for providing access to the door operating apparatus (2) therein. Both the first and second variants may be employed simultaneously to achieve optimal access to the door operating apparatus (2). With either or both variants, the splices are sealed by the application of silicone sealant (46).
  • the preferred compositions for the sealing rings (20 and 30) are self-lubricating high performance engineering thermoplastics characterized by their dimensional stability, low friction, stiffness, and fatigue, corrosion, and wear resistance, such as polyoxymethylene (a polymer with the chemical formula -(-O-CH 2 -) n -), commonly known under the brand name of Delrin® (Delrin® is a registered trademark of E. I. du Pont de Nemours and Company, Delaware), or such as polyamide (nylon). It was found that conventional off-the-shelf seal products such as bearing seals and sheet vinyl cut to fit these holes were ineffective for this application because they become damaged when the spindle (18) is turned so as to permit leakage when exposed to water.
  • polyoxymethylene a polymer with the chemical formula -(-O-CH 2 -) n -
  • Delrin® is a registered trademark of E. I. du Pont de Nemours and Company, Delaware
  • polyamide nylon
  • sealing rings (20 and 30) in accordance with the invention having a composition of self-lubricating thermoplastic products are much less subject to damage by repeated rotations of the spindle (18), or by accessing the interior of the enclosure (8), or both, and exhibit much superior performance with respect to maintenance of the integrity of the seal. Performance of the sealing rings (20 and 30) is further enhanced by addition of an "O" ring.
  • the first sealing ring (20) is attached to the upper portion (10) of the enclosure and thereby helps spread the lateral forces exerted on the spindle (18) over a larger area of the entire enclosure (8) so as to help secure the mounting sled (48) assembly to the enclosure (8).
  • sealing rings (20 and 30) having a composition of self-lubricating thermoplastic products are much less subject to damage by repeated rotations of the spindle (18), or by accessing the interior of the enclosure (8), or both, and exhibit much superior performance with respect to maintenance of the integrity of the seal. Performance of the sealing rings (20 and 30) is further enhanced by addition of an "O"
  • the operating components can include expensive control systems and computers that are highly sensitive to moisture and dust encroachment.
  • the operating components can include expensive control systems and computers that are highly sensitive to moisture and dust encroachment.
  • voltage drops can occur with remote mounting of the electronics and low voltage signal strength can be compromised if long wiring is employed between the torque mechanism and the remotely mounted operator control systems.
  • the market has become accustomed to the electronics provided with commercially available automatic door operators being mounted within the enclosure.
  • the kit provides a self-contained operating system.
  • kit for retrofitting a door operating apparatus (2) results in greater reliability and longevity of the electronic and mechanical components of the door operating apparatus (2) and the automatic door operating system (25) sealed within the enclosure (8). Water, moisture, and dust encroachment can be greatly reduced, and even substantially eliminated.
  • kit for retrofitting a door operating apparatus (2) disclosed herein results in easier maintenance and service calls due to the ready access to the interior of the sealed enclosure (8) for servicing the components therein. It also reduces the cost because the sealing rings (20 and 30) do not need to be replaced each time the enclosure (8) is accessed, nor does the door (4, 112) need to be removed.
  • kit for retrofitting a door operating apparatus (2) disclosed herein results in enhanced aesthetics because installation in a sub-floor stratum (6) can render the apparatus almost unnoticeable.
  • the kit provides a self-contained operating system.
  • Fig. 7 is an exploded view of a portion of an embodiment of an operating assembly (60) for use with a sliding or folding door.
  • Fig. 8 is a plan view of a portion of the operating assembly shown in Fig. 7 .
  • the operating assembly includes an enclosure (62) configured to be mounted below a door, for example, in a floor or other structure below a door or doorway threshold.
  • the enclosure is also referred to as a cement case and includes an end plate (64).
  • a chassis (66) is configured to fit within the enclosure.
  • Several components can be mounted to the chassis, including a motor assembly comprising a motor (68) and gear box (70); an electronic controller (72); and a transformer or other electronic component (74).
  • a spindle shaft (76) extends from the gear box.
  • the motor (68) may be electric, electronic, hydraulic, or pneumatic and may be a reversible motor.
  • a cement case cover (78) and cement case cover gasket (80 are configured to mount onto the cement case and prevent (or minimize the probability of) moisture or contaminants from entering the cement case.
  • the linear actuator track (86) is mounted to the cement case cover (78) using blind holes so as not to penetrate the cover (78).
  • cement case cover (78) may be two parts that are connected by a shelf plate (91) that is positioned below the two pieces of the cement case cover (78).
  • cement case cover gasket (80) may be made of vinyl, foam, cork, or rubber composition.
  • the cement cover (78) provides an overall self-contained moisture tight containment of the motor (68), gear box (70), controller (72), and transformer (74), and any auxiliary components such as timers or relays.
  • One or more fasteners are provided for fastening and unfastening the cement case cover (78) from the cement case, including for example press-fitted rivet nuts, machine pressed into the cement case, with machine screws inserted through the fastening holes in the cement case cover.
  • the cement case and cover are made of moisture impervious material and are attachable and detachable from one another for providing access to the motor (68), gear box (70), controller (72), and transformer (74) housed in the cement case.
  • the cement case cover includes an opening (82) through which the spindle shaft (76) passes.
  • a spindle seal (84) is provided around the spindle shaft in, or adjacent to, the opening (82).
  • the spindle seal (84) may have a composition of self-lubricating thermoplastic, or a pressed-in self-lubricating seal.
  • a linear actuator track (86) is configured to be mounted on top of the cement case cover.
  • a converter and a transfer device is positioned in the track.
  • the converter may be a drive pulley (88) and the transfer device may be a belt (90).
  • the drive pulley is coupled to the spindle shaft, such that rotation of the shaft moves the belt and thereby moves a travel block (92) that is attached to the belt.
  • the converter may be in the form of gears having teeth and the transfer device may a tooth belt (not shown).
  • the converter may be a sprocket and the transfer device may be a chain (not shown).
  • the converter may be a linear actuator and the transfer device may be a screw-drive (not shown).
  • the travel block (92) supports a drive element/breakaway pivot (94) that is configured to engage a door.
  • the drive element/breakaway pivot (94) is configured to include a breakout pin, latch assembly, or the like (not shown) for use with either a sliding (100, 102) or a folding (112, 114) door to enable the drive element/breakaway pivot (94) to disengage from the door (100, 102, 112, 114) in an emergency.
  • a threshold sway track (96) is mounted above the linear actuator track and includes a linear slot (98) through which the drive element (94) passes. Movement of the drive element (94) operates the door.
  • the operating assembly (60) may be structured and arranged to be positioned in a cavity formed beneath a surface of a floor. With the exception of the drive element (94) and the threshold sway track (96), the entire operating assembly (60) may be positioned within the cavity, including the motor (68) and the linear actuator track (86).
  • the cavity may have a conduit for power and a conduit for low voltage control components.
  • the operating assembly (60) may be configured for use in new construction or in existing construction to retrofit a conventional overhead mounted system to an underground mounted system. Accordingly, the operating assembly (60) eliminates the need for conventional overhead mounted operating systems. In various embodiments, the operating assembly (60) enables the installation of automatic sliding or folding doors in building entries that are not tall enough to accept a conventional overhead operating automatic door system or where an overhead mounted system is not aesthetically pleasing.
  • Figs. 9A through 9C are isometric views of portions of additional embodiments of a linear actuator assembly.
  • Fig. 9A includes two cement cases (126) and (128) that each can include a drive motor and associated electronic elements similar to those described in Fig. 7 .
  • a linear slotted track (130) extends over both cement cases and a space (132) between the cement cases.
  • the cement cases can be embedded in cement or other structural material in a floor or door threshold.
  • a first drive pulley (134) is coupled to a first idler pulley (136) by a first belt (138).
  • a first travel block (140) is attached to the first belt.
  • the first travel block supports a drive element/breakaway pivot (142) that is configured to engage a door.
  • a second drive pulley (144) is coupled to a second idler pulley (146) by a second belt (148).
  • a second travel block (150) is attached to the belt.
  • the second travel block supports a drive element/breakaway pivot (152) that is configured to engage a door.
  • Fig. 9B includes two cement cases (154) and (156), wherein cement case (154) can include a drive motor and associated electronic elements similar to those described in Fig. 7 .
  • a linear slotted track (158) extends over both cement cases and a space (160) between the cement cases.
  • the cement cases can be embedded in cement or other structural material in a floor or door threshold.
  • a first drive pulley (162) is coupled to a first idler pulley (164) by a first belt (166).
  • a first travel block (168) is attached to the first belt. The first travel block supports a drive element/breakaway pivot (170) that is configured to engage a door.
  • a second idler pulley (172) is coupled to the first idler pulley (164) by a second belt (174).
  • a third idler pulley (176) is coupled to the second idler pulley (172) by a third belt (178).
  • a second travel block (180) is attached to the third belt (178).
  • the second travel block supports a drive element/breakaway pivot (182) that is configured to engage a door.
  • a single drive motor operates both travel blocks.
  • Fig. 9C includes a single cement case (126) that includes a drive motor and associated electronic elements similar to those described in Fig. 7 .
  • a linear slotted track (130) extends over the cement case and a space (132) lateral to the cement case.
  • the cement case can be embedded in cement or other structural material in a floor or door threshold.
  • a drive pulley (134) is coupled to an idler pulley (136) by a belt (138).
  • a travel block (140) is attached to the belt. The travel block supports a drive element/breakaway pivot (142) that is configured to engage a door.
  • Fig. 10A is an exploded view of an installation including two sliding door panels (100) and (102), each coupled to an operating assembly (60) and (60'), respectively, such as those illustrated in Fig. 9A .
  • the doors (100, 102) are coupled to low profile header/carrier (104) by way of wheels or linear actuator sliders (106). Breakaway arms (108) and (110) are provided adjacent to the tops of the sliding door panels.
  • Fig. 10A shows the operating assemblies (60) and (60') in combination with two sliding door panels (100, 102), the operating assemblies may also be used in combination with two folding doors such as folding doors (112) and (114) illustrated in Fig. 10B .
  • Fig. 10B is an installation including two folding door panels (112) and (114), each coupled to an operating assembly (60) and (60'), respectively, such as those illustrated in Fig. 9B , and shown in the partially closed position.
  • the doors are coupled to low profile header/carrier (116) by way of wheels or linear actuator sliders (118). Breakaway arms (120) and (122) are provided adjacent to the tops of the folding door panels.
  • Fig. 10B shows the operating assemblies (60) and (60') in combination with two folding door panels (112, 114), the operating assemblies may also be used in combination with two sliding doors such as sliding doors (100) and (102) illustrated in Fig. 10A .
  • Fig. 10C is an exploded view of an installation including a single slider door (100) coupled to an operating assembly (60) such as the one as illustrated in Fig. 9C .
  • the door is coupled to a low profile header/carrier (104) by way of wheels (106) or linear actuator sliders (not shown).
  • Breakaway arms (108) and (110) are provided adjacent to the top of the sliding door (100).
  • Fig. 10C shows the operating assembly (60) in combination with a sliding door panel (100), the operating assembly may also be used in combination with a single folding door such as folding door (112) illustrated in Fig. 10B .
  • the operating assembly is configured for use with a sliding ( Figs. 10A , 10C ) or a folding ( Fig. 10B ) door.
  • the doors are adapted to at least partially fill a door opening defined by the surface of the floor and a door frame having at least one side and a top.
  • the door can be a single panel that is adapted to fill the door opening (10C).
  • the door includes first and second panels that are positioned adjacent to each other to fill the door opening ( Figs. 10A and 10B ).
  • each door panel is operated by an operating assembly ( Fig. 10A ).
  • a single motor operates both door panels and the operating assembly optionally includes a device (162, 172, 174) to move the door panels in opposite directions along the slotted threshold ( Fig. 10B ).
  • the door is movable between a closed position and an open position. In the closed position, the door is disposed in proximity to the sides of the door frame and substantially fills the opening. In the open position, the door is displaced from at least one of the sides of the door frame to permit access through the opening.
  • the operating assembly includes a carrier that is structured and arranged for attachment to a fenestration and a top surface of the door to couple the door to the fenestration.
  • the carrier can be structured and arranged to support substantially all of the weight of the door when the door is attached to the carrier.
  • the carrier includes a track and a trolley. A first end of the trolley can be positioned in the track and a second end of the trolley can be attached to the top surface of the door.
  • Fig. 11 is cross-sectional end view the operating assembly (60) shown in Fig. 7 in combination with a sliding door (184) and a fixed panel (186').
  • the fixed panel (186') may be replaced with a wall (not shown), a glass window (not shown), or other structural fenestration.
  • the sliding door (184) is coupled to an overhead rail (188) by wheels (190) or linear activator.
  • the fixed panel (186') is attached below the overhead rail (188) by any fastener known to those skilled in the art.
  • Figs. 12A and 12B are exploded views of a door installation that includes a side mounted operating system (200).
  • the operating system (200) includes all of the components included with operating system (60) described above and is placed within an enclosure such as enclosure (62) and then is mounted vertically within the side jamb (250) of the door frame or within an adjacent wall of the door frame (not shown).
  • Fig. 12A shows an embodiment of a side mounted operating system (200) in combination with a slider door (202, 204).
  • spindle (270) extends laterally beyond the side jamb (250), below the floor surface, and engages a commercially available screw drive, linear actuator system (206).
  • the operating system (200) activates the motor assembly in the same manner as the underfloor mounted unit described above with respect to Fig. 7 , using a reversing motor to drive the linear actuator open and closed.
  • Two sliding door panels (202) and (204) are coupled to a slide-type linear actuator at the heel of the door.
  • the sliding doors are coupled to an overhead track (208) by way of wheels (210) or a linear actuator system (not shown). Breakaway arms (212) and (214) are provided at the top of the sliding door panels.
  • side mounted operating system (200) is used in combination with a folding door (not shown).
  • spindle (270) extends laterally beyond the side jamb (250), below the floor surface, and engages a commercially available right angle power transmission system (206), which engages bottom pivot arm (50).
  • the operating system (200) activates the motor assembly in the same manner as the underfloor mounted unit described above with respect to Fig. 12A , using a reversing motor to drive the right angle gear box open and closed.
  • Two folding door panels (112, 114) are coupled to a bottom pivot arm (50) at the heel of the door.
  • the folding doors are coupled to an overhead track (116) by way of a breakaway track and pivot system.
  • Breakaway arms (120) and (122) are provided at the top of the folding door panels to permit the leading panel of the folding door to travel toward the pivoting panel when actuated.
  • the side mounted operating system (200) is used in combination with a single folding door (not shown) or a swinging door (not shown).
  • a linear slotted track such as the one shown in the figures at (158) is not required.
  • the embodiment illustrated in Fig. 12B is configured for use in conditions where the flooring is too shallow to accept an operating system such as operating system (60).
  • right angle power transmission system (206) has a low vertical profile.
  • the embodiment illustrated in Fig. 12B does not require a floor cover such as the ones illustrated at (26) and (38) in the figures.
  • an improved retrofit conversion kit for converting a door operating apparatus from overhead use to underground use includes the addition of a sealing arrangement for protecting the door operating apparatus against moisture and/or dust encroachment within its underground location.
  • a method for using this kit is disclosed.
  • the door operating apparatus which is to be retrofitted may be electromechanical or self-contained electrohydraulic, or is otherwise of a type that is generally intolerant to moisture.
  • the door operating apparatus may be of a type that is designed for operation from a position other than the sub-floor stratum.
  • the retrofit conversion kit is employed, for convening the door operating apparatus from overhead use to underground use and employs an enclosure to be mounted in the sub-floor stratum beneath the door, wherein all of the door operating apparatus is self-contained.
  • a further surprising aspect of the operating assembly was the discovery that the addition of the sealing arrangement enhanced the mechanical performance properties of the device.
  • the addition of the sealing arrangement to the retrofit conversion kit surprisingly provides enhanced lateral support to the spindle when a door coupled thereto experiences major lateral forces.
EP14151187.3A 2013-01-15 2014-01-14 Betätigungsanordnung zur Verwendung mit automatischen Schiebe- und Falttüren Withdrawn EP2754827A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/741,828 US20130212948A1 (en) 2007-04-20 2013-01-15 Operating assembly for use with automatic sliding and folding doors

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EP2754827A2 true EP2754827A2 (de) 2014-07-16
EP2754827A3 EP2754827A3 (de) 2017-10-25

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EP3015634A1 (de) * 2014-10-31 2016-05-04 DORMA Deutschland GmbH Türantrieb
DE102020113755A1 (de) 2020-05-20 2021-11-25 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger
DE102020113769A1 (de) 2020-05-20 2021-11-25 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger

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CZ182198A3 (cs) * 1998-06-11 2000-02-16 Šimon Zemek Automaticky ovládané lineární okno
US20090025296A1 (en) * 2007-07-24 2009-01-29 Petner Robert E Sliding door and window operating system
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FR2925565B1 (fr) * 2007-12-21 2012-07-20 Ostape Pierre Papirnyk Procede et dispositif de mecanisation et de motorisation de persiennes coulissantes

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3015634A1 (de) * 2014-10-31 2016-05-04 DORMA Deutschland GmbH Türantrieb
DE102020113755A1 (de) 2020-05-20 2021-11-25 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger
WO2021233624A1 (de) 2020-05-20 2021-11-25 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger
DE102020113769A1 (de) 2020-05-20 2021-11-25 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger
WO2021233623A1 (de) 2020-05-20 2021-11-25 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger
DE102020113755B4 (de) 2020-05-20 2022-04-14 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger
DE102020113769B4 (de) 2020-05-20 2022-12-01 Dormakaba Deutschland Gmbh Direkt-schwenkflügelbetätiger

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