Abstract: An automatic opening/closing apparatus for vehicle, which is provided with a tensioner mechanism for applying a predetermined tension to a cable member, is downsized. A case of a driving unit is provided with a tensioner housing, and the tensioner mechanism for applying the predetermined tension to a cable is accommodated in the tensioner housing. The tensioner mechanism includes a pulley holder movably mounted on a guide shaft, and a spring for biasing the pulley holder, wherein a movable pulley is rotatably supported by the pulley holder. The cable drawn in the tensioner housing is wound about the movable pulley so that a direction in which the cable is drawn out from the case is substantially parallel to a direction in which the cable is drawn out from a driving drum, whereby the predetermined tension is applied to the cable by a spring force of the spring.

Abstract: A cable drum assembly for a power drive assembly for a vehicle sliding door, the cable drum assembly comprising: a first drum configured for use as a front drum or a rear drum of the cable drum assembly, the first drum having a first plurality of locating holes; and a second drum configured for use as a front drum or a rear drum of the cable drum assembly, the second drum having a second plurality of locating holes, the first plurality of locating holes have a first pair of locating holes configured to align with a first pair of location holes of the second plurality of locating holes when the first drum is used as a rear drum of the drum assembly and the second drum is used as a front drum of the drum assembly and the second plurality of locating holes have a second pair of locating holes configured to align with a second pair of location holes of the first plurality of locating holes when the first drum is used as a front drum of the drum assembly and the second drum is used as a rear drum of the drum assem

Abstract: The invention relates to a drive system for a gate, the gate panel thereof being guided in a guide rail on each side. A carriage is guided in one of the guide rails, and a pusher arm is joined with a hinge to the carriage and the upper edge of the gate panel. A motor is supported on the pusher arm.

Abstract: A door opening and closing device for a slide door, which can be horizontally open and close the slide door by application of a light load and which can be constructed and maintained at low costs. The door opening and closing device has a transmission mechanism for converting through a lever (31) the amount of settlement of a tread plate (21) placed on floor surfaces at positions in front and back of the slide door (12), into a predetermined displacement amount. The tread plate (21) is weight-wise balanced such that the transmission mechanism and settlement of the tread plate due to the weight of an adjustment weight (W) causes the tread plate (21) to float through the lever (31). Up-down movement of the long transmission member (32) presses a drive rotation body (42) to an open door rail (41), and a component force of the pressing force allows the slide door (12) to be opened by application of a light load.

Abstract: A method for controlling a power slide door having an operable window for a vehicle for preventing an entrapment between the power slide door and a vehicle body by limiting a slidable range of the power slide door by portion of a stopper, which the stopper functions in a condition where the window is opened more than or equal to a certain range, the method comprising steps of judging if the entrapment is generated within a predetermined range in which the power slide door can be stopped by portion of the stopper in a condition where the entrapment with a foreign object is generated during an opening operation of the power slide door, performing a reverse operation of the power slide door in a closing direction by a certain distance in a condition where the entrapment is generated within the predetermined range, and stopping the power slide door.

Abstract: An automatic opening/closing apparatus for vehicle is downsized, and cost of the automatic opening/closing apparatus is reduced by reducing the number of its components. A driving drum is rotatably accommodated in a main body case of a driving unit, and one ends of cables are connected to a sliding door and the other ends are wound around the driving drum. An electric motor is attached to the main body case, and the driving drum is driven for rotation. A tensioner mechanism applying a predetermined tension to the cables is accommodated in the main body case. A control device, including a control substrate and a substrate case for accommodating the control substrate, is disposed to be overlapped on an axial-directional side of the driving drum to a portion of the main body case for accommodating the tensioner mechanism, whereby an operation of the electric motor is controlled by the control device.

Abstract: A power door drive system for moving a sliding side door on a vehicle body having an aperture between an open position substantially clear of the aperture and a closed position substantially covering the aperture. A guide track having channel and rack portions is mounted to the vehicle body adjacent the aperture. The rack portion includes a plurality of rack teeth. A hinge member is adapted for mounting to the side door and includes a plurality of guide rollers for rollingly engaging the channel portion of the guide track. A power drive mechanism mounted to the hinge member includes a reversible motor for producing a drive torque, a pinion gear having a plurality of drive teeth meshingly engaging the rack teeth, and an endless belt for transferring the drive torque from the motor to the pinion gear thereby driving the sliding door between the open and closed position.

Abstract: A clutch mechanism and a worm wheel are disposed in such a manner as to be aligned or superposed on each other via a base plate held therebetween. A circular swollen portion is formed on the base plate in such a manner as to project from one side to another side of the base plate. The swollen portion is disposed in such a manner as to face the worm wheel, and a side of a field core of a clutch mechanism is accommodated within a dish-shaped recess formed on a rear side of the swollen portion.

Abstract: The invention concerns a gate with a section that is movable, along a preferably prescribed track that features a, for the most part, rectilinear running section, between a closed position and an open position, a controller that is designed for the purposes of controlling the gate section movement and for the generation of first control signals for preferably the purpose of stopping the gate section movement in the event of leaving the prescribed track, whereby associated with the controller is a transmitter arrangement for the purposes of generating two, three or more signals that run along approximately perpendicular to the prescribed track and approximately parallel to a, during the closing movement, preceding edge of the gate section as well as spread on sequentially arranged signal paths, in the direction of the gate section movement, whereby the signal paths during the course of the closing movement are chronologically sequentially interrupted and/or during the course of the opening movement are chronol

Abstract: A driving apparatus for a sliding member includes a housing, a cable, a drum to move the cable to open and close the sliding member, a motor arranged to drive the drum, and a tensioner supported by the housing arranged to provide a tensioning force to the cable, the tensioner is arranged: to be switched from a first state where an urging force of a spring is stored to a second state where the urging force of the spring is released, to be moved from a first position where the tensioner does not provide the tensioning force to the cable to a second position where the tensioner provides an initial tensioning force to the cable when the tensioner is in the first state, and to be fixed in the second position and to be switched to the second state to provide the tensioning force to the cable by the urging force of the spring.

Abstract: A vehicle door opening/closing apparatus includes a rail for a sliding door fixed to the outside of a vehicle cabin and extending along a front-back direction of the vehicle, a support member for supporting the sliding door and movable along the rail, first and second pulleys supported respectively to opposed longitudinal ends of the rail, a cable turned around by the first and second pulleys and retained to the support member, thus being arranged in the form of a loop and a drive unit for rotatably supporting a drive wheel around which the cable is wound and configured for moving the support member back and forth according to a rotational direction of the drive wheel, the drive unit being fixed to the side of vehicle cabin. The drive unit is supported to the rail such that the drive unit is pivotable between a first posture where the drive unit projects relative to an attaching face of the rail to be attached to a vehicle body and a second posture where the drive unit is disposed along said attaching face.

Abstract: The invention relates to a sliding closure for a vessel containing molten metal, having a slider unit (11) guided in a slider housing (10), said slider unit having a push rod (14) that can be connected to the drive rod (16) of a linear drive (17) via a coupling (15), wherein a mounting element (18) for the linear drive is provided on the slider housing (10), said element receiving the push rod (14) and the drive rod (16) on the coupling side. The mounting element (18) is equipped with an automatically operating locking device (21) for the linear drive (17) and/or an automatically operating locking device (28) for the push rod (14). The slide closure according to the invention operates reliably in said manner, both during the casting process and during transport thereof between the various stations of the plant.

Abstract: A sliding door drive assembly for a motor vehicle having a sliding door includes a transmission operatively connected to a motor for transmitting a rotating force to an output shaft. A cable drum is fixedly secured to the output shaft and rotates therewith. First and second cables are wound about the cable drum in opposite directions. The first cable extends from the cable drum forward along the sliding door. The second cable extends from the cable drum rearward along the sliding door. Support guides extend tangentially out from the cable drum to guide the first and second cables outwardly and away from the cable drum along a path minimizing frictional forces. Front and rear pulley assemblies are mounted to the motor vehicle and are operatively coupled to the first and second cables between the sliding door drive assembly and the sliding door for tensioning the first and second cables.

Abstract: A pet door unit allowing entry to and egress from a dwelling of an animal includes a pet door provided with a latch. The pet door is mounted for movement to allow passage of an animal when the latch is disabled. The pet door unit includes an animal detector for detecting an animal seeking passage past the pet door. A controller allows selection of a permitted passage condition. A disabler selectively disables the latch. Other arrangements described include systems for controlling entry and exit for different animals in different time frames, systems that detect an animal by a tag carried by the animal, systems that detect a door, systems that detect whether an animal has actually passed through the door and in which direction, and systems that record time and direction of passage, a preferred coil geometry for tag detection, and a preferred latch.

Abstract: A sliding door for a vehicle comprises a guide rail, a sliding carriage which is longitudinally displaceably on the guide rail and a hinge bow which is rotatably supported at the sliding carriage and at a body flange. To improve such a sliding door, an intermediate layer is provided which is rotatably supported at the sliding carriage, a control lever which is rotatably supported at the intermediate lever and at a body flange and a drive rod for the drive of the control lever.

Abstract: A driver device for a panel to be moved along a travel path is disclosed. The driver device has a driver member, which is adapted to be stationarily mounted to a member guided along the travel path. Furthermore, the driver device has a spring element, which is mounted to the guided member and is propped up at a side of the panel to be moved facing the guided member. At least with regard to a direction of the pre-tensioning of the spring element, the driver member is loosely coupled to the panel to be moved. The spring element is pre-tensioned such as to press the guided member and the driver member away from each other.

Abstract: An exemplary display device includes a support member, a pair of displays slidably attached to the support member, and positioning members disposed between the displays and the support member. The support member includes a straight slideway, and a curved slideway defined therein. The curved slideway includes a slanting portion, and a first straight portion and a second straight portion extending out from opposite ends of the slanting portion. The straight slideway is parallel to the first straight portion of the curved slideway and in line with the second straight portion of the curved slideway. The displays are slidably received in the straight slideway and the curved slideway respectively. The displays may be positioned to form a large screen, or slid to overlap leaving a single display visible.

Abstract: An operator cab for heavy equipment is described to prevent a sliding door mounted on the cab from rocking or rattling in X, Y, and Z-axis directions due to a shock or vibration applied to the cab in a state that the sliding door is fully opened.

Abstract: There is provided a vehicle opening/closing body driving apparatus which allows reduction in the number of components and reduction of cost and which allows application of appropriate tension to a cable. The invention also intends to reduce the workload needed at the time of cable installment and facilitate the installment. The apparatus includes a cable retained to the opening/closing body of the vehicle for opening/closing this opening/closing body, a drive wheel, a drive mechanism for moving the cable back and forth, a guide member for guiding the cable extending from the opening/closing body to the drive wheel and further guiding the cable past the drive wheel back to the opening/closing body, a support member for supporting either the guide member or the drive wheel and a tension applying member affixed to the support member and configured to apply a tension to the cable.

Abstract: A thermally insulated lift gate for selectively closing an opening of a cold-store, including roller guides extending vertically along sides of the opening of the cold-store, a door leaf slidably disposed within the roller guides and a lifting mechanism for vertically moving the door leaf within the roller guides to open and close the opening of the cold-store. The door leaf includes a rigid region defining an uppermost portion thereof and a flexible region defining at least a lower portion thereof.

Abstract: This door is intended for a compartment, such as an aircraft baggage compartment. The door can be moved between a first position, in which it closes an opening of the compartment, and a second position, in which the opening is accessible. This door is provided with a guide system on both sides of the opening of the compartment to guide the door in a substantially vertical translational movement.

Abstract: A heated sliding window assembly includes at least one fixed window. A rail is attached to the fixed window. A sliding window is moveable along the rail between open and closed positions. The sliding window includes a heater grid and an electrical contact. A conductive member is attached to the at least one fixed window. The conductive member provides electrical coupling between the conductive member and the electrical contact through the entire movement range of the sliding window between the open and closed positions for providing current to the heater grid.

Abstract: A power drive unit system includes a vehicle door, a slide member, a motor, first and second cable guide members, first and second cables, an external spool, a door inner panel and one guide track. The internal spool unit includes an internal spool. The motor operatively communicates with the internal spool. The first cable guide member is associated with a first cable and the external spool. The first cable is attached to the internal spool and the external spool. The second cable guide member is associated with a second cable and the external spool. The second cable is attached to the internal cable spool the external spool, which in turn communicates with an output gear. The motor actuates the internal cable spool to pull the second cable, thereby causing rotation of the external spool and the drive shaft. The rotation of the drive shaft results in rotation of the door relative to the body; after which the door slides open.

Abstract: At a battery exchange station a discharged battery is removed and a charged battery is inserted into an electric vehicle. The battery exchange station has various mechanisms to make this exchange. In some embodiments, the batteries are stored in a warehouse, where they are given an appropriate amount of charge. The charged batteries are moved from the warehouse by an automated robotic mechanism. The automated robotic system provides the charged battery to a battery exchange system which inserts the charged battery into the vehicle after it removes the discharged battery from the vehicle. The insertion and removal of the battery is done vertically, i.e., into and out of the bottom of the vehicle. The battery exchange system is located in a service bay under the vehicle. A sliding door system creates an opening above the service bay. The opening is of variable size depending on the size of the vehicle.

Abstract: A linear motor arrangement for panels, in particular sliding door leaves, movable along a travel path, as well as to a device for mounting such an arrangement includes a linear drive system having at least one stator member of a linear motor and a connecting member as components. The connecting member comprises a circuitry. The components are consecutively disposed in a row. Furthermore, the connecting member has a housing, which, at one end, has at least one connection possibility for an external energy supply. In addition, the housing, respectively the connecting member is adapted, to receive circuitry, which has additional terminals. In order to be able to run connecting lines in the connecting member, a channel is configured in the housing such that they are led out of the housing at the end of the connection possibility.

Abstract: Elongate bases (10) for guiding a movable end (37) of a conductor path (30). Cross sections taken through the bases substantially normal to the elongation directions of the bases are substantially identical to one another and substantially constant along the elongation direction of the bases. Thus, the bases (10) can be obtained by cutting an elongated raw material to a specified length in conformity with a vehicle type, thereby enabling a cost reduction. Further, since the bases (10) are symmetrical with a moving path of the movable end (37) located therebetween, it is sufficient to prepare only one kind of elongated raw material. In this respect as well, costs can be reduced.

Abstract: A guide rail assembly for motor vehicle window lifters and a method for the production thereof. Two guide webs having protrusions formed thereon form a guide rail on a carrier plate made from a plastic material. The guide webs may be bent elastically inwards or outwards, enabling the driving element to be clipped on by pushing it on in the vehicle's transverse direction y and considerably simplifies production in an injection moulding process because the guide rail may be removed by elastically bending the guide rails such that a smaller number of sliders is required in the moulding tool. In one embodiment, there is also provided a driving element comprising a body of a first material and, securely held therein, sliding inserts comprised of a second material which material ensures a particularly good tribological pairing with the material of the associated guide web.

Abstract: A double door actuation system is provided. The actuation system includes a base frame, a drive motor, first and second guide rails and a pair of rail support arrangements. The drive motor is mounted to the base frame and includes a pinion gear rotatable about an axis of rotation. The guide rails include opposed raceways and a gear rack. The gear rack engages the pinion gear opposite sides such that the pinion gear simultaneously drives the guide rails in opposite directions parallel to a drive axis. The rail support arrangements are mounted to the base frame and support guide rails. The rail support arrangements maintain a substantially constant lateral location of the guide rails in a direction perpendicular to both the drive axis and axis of rotation to maintain a substantially constant mesh between the pinion the gear racks.

Abstract: A sliding panel for use in a sliding window assembly has a bottom edge in sliding engagement with the sliding window assembly. The sliding panel includes at least one bracket coupled to the sliding panel. A cable has a first end and a second end spaced from the first end with a body portion disposed therebetween with at least one of the first end, the second end, and the body portion molded within the bracket thereby coupling the cable to the bracket for transferring a force from the cable to the bracket to slide the sliding panel within the sliding window assembly.

Abstract: A window drive mechanism is used to cover and uncover an opening formed in a first window panel. A second window panel is mounted for movement relative to the first window panel. The second window panel is moved by the window drive mechanism between an open position where the opening is uncovered and a closed position where the second window panel covers the opening. When the second window panel is in the closed position, the second window panel is flush with the first window panel. A guide member is mounted for movement with the second window panel and has a notch that defines a first path of movement where the second window panel is moved inwardly of the first window panel. When activated, the drive mechanism moves the second window panel inwardly to a non-flush position via the notch, and then moves the second window panel axially to uncover the opening.

Abstract: An opening and closing apparatus is provided with a foreign material detecting sensor, a position detecting apparatus and a control circuit apparatus. The foreign material detecting sensor has a sensor electrode, and is arranged in a front end of a door panel. The foreign material detecting sensor outputs an electrostatic capacity detection signal corresponding to a change of an electrostatic capacity between the sensor electrode and a foreign material coming close to the electrode. The position detecting apparatus outputs a position detection signal corresponding to a position of the door panel. The control circuit apparatus compares a change amount of the electrostatic capacity detected on the basis of the electrostatic capacity detection signal with a threshold value so as to judge, on the basis of a result of comparison, whether or not a foreign material exists between the door panel and a vehicle body.

Abstract: A slide door apparatus for a vehicle includes a driving device mounted to a slide door and a guide pulley unit mounted to the slide door. The guide pulley unit includes a plurality of guide pulleys each having first and second guide grooves. The guide pulley unit further includes first and second housing members for housing the plurality of guide pulleys, and a separating member provided between the first and second housing members for separating the first and second guide grooves of each of the plurality of guide pulleys. The slide door apparatus further includes a cable connected to the driving device and to a vehicle body. A first portion of the cable is disposed into the first groove of each of the plurality of guide pulleys. A second portion of the cable is disposed into the second groove of each of the plurality of guide pulleys.

Abstract: Under a method to control a sliding speed in accordance with this invention, the motor is initially accelerated for a predetermined reference speed, and then during the initial acceleration period, if a rotational speed of the wire drum is of and above a given value, a difference between a rotational speed of the wire drum and a rotational speed of the motor is of and above a given value, and a rate of acceleration of the wire drum is of and above a given value, the rotational speed of the motor is reduced temporarily judging the slide door is in a state of abnormal acceleration, and then the motor is accelerated again at a lower rate than the initial acceleration toward the reference speed.

Abstract: A guiding system for a sliding door, especially a motor vehicle, comprising a sliding rail (5) with an upper cover (6) and a lower edge (7) arranged opposite the upper cover (6), and a roller element (101) which is guided in the sliding rail (5) and comprises a roller element housing (102) is presented. Three rollers (103, 104) are rotatably fixed to the roller element housing (102), two rollers (103) extending along the upper cover (6) of the sliding rail (5) and the third roller (104) extending along the lower edge (7). The invention creates one such guiding system in such a way that there is no play, it operates quietly, and has a taut system characteristic. To this end, a spring element (109) is fixed to the roller element housing (102), said spring element pressing on of the first two roller (103) and the third roller (104) against the sliding rail (5).

Abstract: The invention relates to a door with a sliding panel for shower booths. The door motor operates by a system including a driving gear housed inside an upright and an driven gear housed inside the other upright. A belt connects mechanically, being anchored to the sliding panel.

Abstract: A opening control apparatus for a sliding door of a vehicle, includes a driving source, a clutch arranged to connect the driving source and the sliding door in an engaged state and to disconnect the driving source and the sliding door in a disengaged state, and a control section. The control section brings the clutch from the disengaged state to the engaged state when a measured distance of movement of the sliding door from a stop position to a position in one of an opening direction and a closing direction reaches a first predetermined distance and then a measured distance of movement of the sliding door from the position in the one of the opening and closing directions reaches a second predetermined distance, and drives the sliding door to move in the one of the opening and closing directions by the driving source.

Abstract: A ceiling driving unit for moving doors comprises a motor unit (12) arranged at the end of a running rail (11) for a door-dragging carriage (17). The motor unit has a driven axis (14) that engages a mechanism in the rail to transmit movement to the carriage and between the rail and motor unit there are mutual coupling means (26-27-28-29, 30-31-32-33) for connecting the motor unit to the rail and which are driven by manual rotation of the motor unit around the driven axis.

Abstract: A control device controls opening/closing of a sliding door of a vehicle by a motor in cooperation with a drive device that opens and closes the sliding door, and applies proportional plus integral plus differential control to motor speed based on a driving pattern of the sliding door. When a difference between a door speed and a motor speed exceeds a threshold, the control device judges that the vehicle is parked in a tilted state, and adjusts a sum of a proportional element, an integral element, and a differential element of a proportional plus integral plus differential control to a vehicle-tilted time element.

Abstract: A feeding unit for supplying electrical power along a cable is coupled to a slide door. When the slide door is substantially closed, a protrusion is vertically restricted by a groove to vertically restrict an end of a connecting cable by a holder. In contrast, when the slide door is open, the protrusion that is accommodated in the groove is capable of moving vertically and horizontally.

Abstract: The invention relates to a sliding door system, comprising at least one sliding door, wherein a guide rail is provided in the vehicle body in the vicinity of the door opening. A guiding element can be displaced along the guide rail, the element being connected to the sliding door via a retaining arm. The sliding door system has a power conducting unit, which is formed by members connected to each other in an articulated manner for receiving and guiding at least one line, which extends from a stationary connection on a vehicle body to a connecting element. The power conducting unit can be displaced in the longitudinal direction of the guide rail. The guide rail overlaps the power conducting unit at least in some regions.

Abstract: A fume hood comprised of first and second side walls, a back wall, a work surface, and a top wall, the walls and work surface defining a work area, an access opening for providing a user access to the work area, a movable sash member disposed for vertical movement across the access opening, and an anti-cocking drive mechanism mechanically coupling a drive motor to the movable sash member.

Abstract: A device for use in a window hoisting device includes a base element and a drum that can be connected to the base element. A drive element can be wound around the drum such that ends of the drive element protrude from the drum. The device includes at least one securing element that is configured to secure an end of the drive element.

Abstract: Sliding door for motor vehicles, having an outer door skin, an inner door skin and a door inside trim, supported on a guide rail on a vehicle body and movable between opened and closed positions. The sliding door includes a cable guide assembly for accommodating and guiding electric cables, which connect first electric elements provided in or on the vehicle body to second electric elements provided on the sliding door, whereby on moving the sliding door, the cable guide assembly is movable in a plane including the longitudinal direction of the vehicle and whereby a guide channel for guiding the cable guide assembly is provided on moving the sliding door. Guide surfaces of the guide channel are formed or integrated at least in sections on the inner door skin, in a door module support and/or on the door inside trim.

Abstract: A sliding door drive assembly for a motor vehicle having a sliding door includes a transmission operatively connected to a motor for transmitting a rotating force to an output shaft. A cable drum is fixedly secured to the output shaft and rotates therewith. First and second cables are wound about the cable drum in opposite directions. The first cable extends from the cable drum forward along the sliding door. The second cable extends from the cable drum rearward along the sliding door. Support guides extend tangentially out from the cable drum to guide the first and second cables outwardly and away from the cable drum along a path minimizing frictional forces. Front and rear pulley assemblies are mounted to the motor vehicle and are operatively coupled to the first and second cables between the sliding door drive assembly and the sliding door for tensioning the first and second cables.

Abstract: A window regulator includes a carrier. The carrier includes a holding section and is capable slide along a guide rail with the holding section slidably contacting on the guide rail. The carrier supports a window panel. A brake mechanism is provided on the carrier. The brake mechanism prevents the window panel (the carrier) from self-weight drop by slidably contacting onto the guide rail by an urging force thereof. According to the window regulator, good down operations of the window panel can be maintained even if a slidably contacting portion(s) of the holding section that holds the guide rail becomes worn.

Abstract: A security gate apparatus (10) with first and second buttress assemblies (12, 14) and a barrier member (16) slidably movable along the track 68 between a closed position extending between the assemblies (12, 14), and an open position clear of the assembly (14). Each assembly (12, 14) includes upstanding members (18, 20, 54, 56) connected respectively by a link member (22), with at least some of the members (18, 20, 54, 56 and 22) being filled in use by concrete. The gate being locatable respectively between the upstanding members (18 and 20) and the upstanding members (54, 56).

Abstract: The barrier operator system, method and kit described herein contemplate the use of a rack and pinion drive mechanism which is mounted on tracks of the operator system such that the pinion is positioned to ideally engage the rack which is coupled to the barrier to move the barrier along the tracks in both the upstream and downstream direction. Pre-positioning the pinion relative to the rack and using the rack and pinion drive as described herein permits coupling the rack and motor at any variety of points along the barrier to move it. Further when the barrier is an over head door, such as a garage door, the door is connected to the rack through a coupling assembly which connects the door to the rack without making the latter connection through the motor driving the pinion.

Abstract: A door opening/closing apparatus is provided with a motor, a first clutch which transmits power from the motor to a door opening/closing mechanism of a slide door when current is applied to the motor while breaking transmission of power to the door opening/closing mechanism of the slide door when current is not applied, and a second clutch which transmits power from the motor to a door opening/closing mechanism of a back door when current is applied while breaking transmission of power from the motor to the door opening/closing mechanism when current is not applied.

Abstract: A gate arm for a swing gate incorporates a release mechanism that releases the gate arm and therefore allows the gate to swing freely about its hinges when inwardly-directed pressure applied to the gate exceeds a threshold level. The gate arm also includes a spring-loaded pivot joint that applies pressure to the gate when the gate is operating normally and is in the closed position, and further works cooperatively with the release mechanism to prevent damage to the operator and gate arm when the gate is forced open.

Abstract: A first movable barrier operator is actuated in order to move a first movable barrier to a first predetermined position via a first movement and according to a first operating characteristic. A second operating characteristic is selected for moving a second movable barrier to a second predetermined position via a second movement. The second operating characteristic is chosen so that the second movement of the second movable barrier to the second predetermined position does not interfere with the first movement of the first movable barrier to the first predetermined position. A second movable barrier operator is actuated to move the second movable barrier to the second predetermined position via the second movement according to the second operating characteristic.