1129results about "Door arrangement" patented technology

An overhead garage door (10) includes a plurality of panels (11) each carrying rollers (12) which ride in a track assembly (15). The track assembly (15) includes a generally vertically positionable component (16), a generally horizontally positionable component (17), and an arcuate transitional component (18) positioned between the vertical component (16) and the horizontal component (17). The vertical component (16) is generally U-shaped in end profile having a base portion (22) with branches (20, 21) extending from the edges thereof. The vertical component (16) is provided with a plurality of spaced separating systems (25), each of which includes a web (26) extending across the base portion (22) and the slots (28, 29) in the branches (20, 21). A selected portion of the length of the vertical component (16) may be removed by inserting a tool in the slots (28, 29) of one of the separating systems (25) and twisting it to break the webs (30, 31) adjacent to the slots (28, 29). Then by bending that portion on the web (26), it will breakaway to provide a vertical component (16) of the desired length.

PCT No. PCT / CH98 / 00274 Sec. 371 Date Feb. 23, 1999 Sec. 102(e) Date Feb. 23, 1999 PCT Filed Jun. 23, 1998 PCT Pub. No. WO98 / 59140 PCT Pub. Date Dec. 30, 1998Device for connecting a displaceable element, especially a glass, metal or wooden panel to a guiding device that is guided in a rail. The device includes first and second fixing members which each contain outer panels and fitting, elements which can be interconnected by an axle. The fitting elements are inserted into a cutout section on the edge of the displaceable element and interconnected. The fitting elements encompass a connection screw which can be connected to the guide device, the connection screw having a screw shaft with a screw head, a locking element and a thread. The fitting element of the first fixing member has a channel for receiving the screw shaft, the channel having channel walls, a trough for receiving the screw head and a cavity for receiving the securing element. The locking element can be stopped by a stop screw. The fitting element of the second fixing member has a recess for receiving the channel walls and an opening through which the screw head can be accessed. The assembled device can be adjusted by loosening the stop screws by a few turns and turning the connection screw until the displaceable element is set at the desired height. The stop screws are then re-tightened. The locking element is part of the connection screw and is encompassed in the device so that the top edge of the displaceable element can be drawn practically up to the rail.

A triple slide assembly for a three panel door system that mounts on a two track header and allows the panels to slide easily and sequentially with an interlocking function that provides a means to align the panels. The outer rails or panels each have an inward facing track to support rollers mounted to the middle rail or panel in an alternating configuration. The track and roller assembly interlocks the three panels and has stops, positioned in the ends of the inward facing tracks, keep the panels interlocked. The inward facing tracks and middle rail or panel remain aligned with the header when the outer panels are adjusted to align with adjacent door jambs to provide a smooth sliding operation. The triple slide assembly can be used for a six-door, center opening enclosure and for a five panel sliding assembly mounted on a three track header.

A movable door mounting assembly includes a stud assembly and a trolley assembly having a spring-biased cam piece that pivots between a normal position, which allows the trolley assembly to move freely on the track, and a locked position, which causes a locking surface on the cam piece to frictionally engage with a top surface of the track and hold the trolley assembly in place while the door is being hung. A catch in the stud assembly engages with the cam piece when the mounting assembly is fully assembled. Inserting the stud assembly into the trolley assembly, releases the cam piece from its locked position and, at the same time, positions the catch so that it engages with the cam piece when the door is hung.

Apparatus and method for a warning system for an automated door capable of moving between open and closed positions, the door having engagement ends adjacent to a peripheral edge when the door is closed. Audio and visual warning indicators attached to engagement ends of the door, frame and header indicate when the door is opened, closed, opening and closing, or about to open or close, thus keeping the door ADA compliant. A hand-held wireless communicator transmits automated door safety check, test, and inspection requests to a server which records test requests, results, date, time, door identification and unique hand-held wireless communicator identification. The hand-held wireless communicator includes GPS capabilities enabling the server to record the specific location of the hand-held wireless communicator while performing tests. The server sends default emails or texts if scheduled safety checks, tests or inspections have expired after a predetermined time.

The invention provides a retracting apparatus of a sliding rail in which a self locking state is not cancelled without intention, a structure and an adjustment are simple, and a cost is inexpensive. In the retracting apparatus of the sliding rail, a guiding member (13) is provided with two parallel arranged guiding grooves (13a, 13b) which are linear in a predetermined range of a drawing and retracting direction, and are bent at a predetermined amount toward an approximately vertical lower side in an end portion in a drawing direction, an engagement member is provided with sliding pins (12d, 12e), and the sliding pins (12d, 12e) slide along the guiding grooves (13a, 13b) in accordance with movement in the drawing direction, and moves downward at a predetermined amount in an end portion in the drawing direction, whereby an engagement between the engagement member (12) and a driving member (11) is cancelled, the engagement member (12) is locked, the driving member (11) and the engagement member (12) are engaged with each other at an automatic retract position on the basis of the movement of the moving rail in the retracting direction, and the lock is cancelled.

A biparting transit vehicle door system operator. The operator includes a base for attachment to the mass transit vehicle and a motive power source connected to a transmission having an output power shaft. Such operator further includes a teeter plate having a shaft engaging portion for engaging the shaft. The shaft has a teeter plate engaging portion for engaging the operator teeter plate. A thrust bearing is in mechanical contact with a hub portion of the teeter plate and a spring is in mechanical contact with the thrust bearing to exert a first axial thrust thereon. The thrust bearing communicating the first axial thrust to the teeter plate so that the shaft engaging portion of the teeter plate engages the teeter plate engaging portion of the shaft. The operator includes a release member having mechanical contact with the hub portion of the teeter plate for exerting a second axial thrust on the teeter plate. The second axial thrust being opposed to the first axial thrust so that the teeter plate may be disengaged from the shaft by the release member. A pair of drive rod pivots are attached to the teeter plate. Such pair of drive rod pivots are connected to a pair of drive rods for opening and closing the pair of biparting doors.

Drive system for moving a load along a curved path. The drive system includes a base for mounting the drive system, the base having a curved track for guiding the load along the curved path. There is a load engaging mechanism mounted on the base for movement relative to the base, the load engaging mechanism being for moving the load. The load engaging mechanism has a curved track engaging roller for engaging the curved track. A linear drive mechanism including a linearly driven member is mounted on the base. The linearly driven member includes a driving pivot. A drive link is attached to the driving pivot at a drive force receiving end of the drive link, the drive link including a driven pivot at a drive force communicating end of the drive link. The driven pivot is attached to the load engaging mechanism, whereby linear motion of the driving pivot causes motion of the load along the curved path.

The invention discloses a built-in plug door device for a rail vehicle. The device comprises a control mechanism, a driving mechanism, a bearing mechanism, a compaction mechanism, a guide chute and a door leaf; the bearing mechanism comprises a guide post, two sleeves, a connecting rod, a sliding block and a guide wheel; and the control mechanism is respectively connected with the driving mechanism and the compaction mechanism. The advantages of an outward swing plug door and a built-in side sliding door are combined in the built-in plug door device, and the problem of smooth appearance of the built-in side sliding door is solved by plug movement; the outer side of the body is smoother, the influence of high-speed running pressure wave on the door leaf is reduced, and high-speed running noise is reduced; the body is 140 millimeters wider than the body using the outward swing plug door; and when the plug process of the door leaf is finished, the door leaf is compacted on the body, and the possibility that the door leaf drops outwards is totally limited, so safety and sealing reliability are improved.

Method of controlling a motorized door by offloading the burden to a separate motion control processor. The method includes generating, in a central processor for the door, one or more signals indicative of a predetermined door speed profile for a stroke of the door. The predetermined door speed profile provides an ideal velocity versus an elapsed time since a beginning of the stroke. The signals are communicated to a motion control processor and the motion control processor also receives door position signals from a position encoder. The motion control processor generates signals indicative of the velocity of the door based on the door position signals and it generates error signals based on discrepancies between the velocity of the door and the ideal velocity. It generates motor control signals based on the error signals and the motor control signals are communicated to the motor of the door.

The invention corrects three major safety and security problems, associated with millions of traditional sliding doors. It offers a dramatic, yet simplistic, solution to these chronic problems in addition to providing a smooth, maintenance-free operation. The invention eliminates the protruding longitudinal rails of the traditional floor track that create a barrier to foot and wheel traffic. In its place is a smooth, level track that conforms to the “Americans with Disabilities Act of 1990”. Secondly, the invention is secure against unauthorized (forced) entry. Thirdly, the invention is not displaced by hurricane-force winds. For maximum strength and function, solid nylon rollers are positioned at each end between metal guides running the length of the panel base. Adjustable constraints are positioned at each end on top of each panel. The combination of the pair of guides seated into their respective track channels, and the constraints, prevent unauthorized entry and displacement.

Method of detecting obstructions encountered by a motorized door. The method includes providing a signal processor with one or more signals indicative of a predetermined door trajectory profile for at least a segment of a stroke of the door, the door trajectory profile providing an ideal speed and / or position versus an elapsed time since a beginning of the segment of the stroke. A door position signal from a position encoder for the door is received into the signal processor. The method includes generating one or more signals indicative of the velocity and / or position of the door from the door position signal and generating a trajectory discrepancy signal based on the velocity and / or position in relation to the ideal speed and / or position. A motor control signal is generated based on the trajectory discrepancy signal and the motor control signal is connected to motor control circuits connected to drive the motor for the door. The method further includes performing one or more tests on either the trajectory discrepancy, the velocity of the door or the position of the door to determine whether the door has encountered an obstruction, in which case an obstruction detection signal is generated. The obstruction detection signal is for stopping the door.

A quiet drapery pull system includes an elongated track that receives a master car and auxiliary cars. The track defines a pair of curved surfaces for nested receipt of roller members of the cars to facilitate linear tracking of the cars. The cars preferably include tires that are made from a resilient material to limit noises caused by rolling contact and by slipping and dragging of the tires upon contact with surface imperfections of the track. The drapery pull system preferably includes a drive belt connected to a reversible motor and to the master car for driving the master car in each of opposite directions. The drive belt is preferably made from a resilient material to limit noise associated with contact between the drive belt and drive pulley and between the belt and the track.

The present invention provides a sliding door opening / closing device for a vehicle that applies a sufficient opening / closing drive force to the left and right sliding doors and reduces a force necessary to lock and unlock the latch, despite a simple configuration of the device, and that facilitates the manufacturing process, improves operability and safety, and reduces noise. A lock device, against both sides of which locking portions abut, rotates a columnar permanent magnet so as to form magnetic locking circuits and fixes the locking portions by magnetic forces of the locking magnetic circuits. The rotational operation of the columnar permanent magnet is converted into the downward operation of a latch, and the lowered latch restrains the locking portions with respect to the lock device.

The invention includes a clasp that can be mounted to the roller track of an overhead door and a shim that can be mounted to the overhead door or the shaft of the roller. The clasp includes a portion for attaching to the roller track and a blocking portion that is secured in proximate location to the inner surface of the overhead door. When the overhead door is in a closed position, the shim and the blocking portion are engaged thereby encouraging the overhead door towards the door frame. Multiple clasp and shim assemblies can be mounted to the overhead door to improve the seal between the overhead door and the door frame.

A motor vehicle egress window comprises a circumferential outer frame forming an auxiliary egress opening for a motor vehicle passenger compartment and an inner frame unit. The outer frame has an outer frame member with an inner surface and at least a first striker pin. The inner frame unit is mounted to the outer frame for movement between closed and open positions has a circumferential inner frame, a glazing pane mounted to the inner frame, at least a first egress latch mounted to the inner frame, and a release mechanism. The egress latch is operative to latch to the striker pin to hold the inner frame unit in the closed position. The release mechanism includes a manually operative release handle, preferably mounted at an elevated position on a vertical side portion of the inner frame, and release linkage comprising at least a first link from the release handle to the first latch. In certain embodiments the inner and outer frames overlap radially for improved functionality.

A frequency synthesizing apparatus and method having an injection-locked quadrature VCO in an RF transceiver is provided. In the frequency synthesizer, an I signal following a frequency of a high frequency signal that is input using the injection-locked quadrature VCO and a Q signal thereof are simultaneously generated to have an appropriate driving power. Accordingly, the I signal and the Q signal thereof that are generated in the injection-locked quadrature VCO may be utilized as a local signal for frequency up / down-conversion, without being buffered. An output of an SSB mixer may be directly input into the injection-locked quadrature VCO. Also, high frequency signals that are generated in another circuit such as the SSB mixer, a PLL, or a VCO may be selected to be input into the injection-locked quadrature VCO by a selector.

A firefighter training building having a system of movable and removable partition walls for changing the interior floor plan layout of the building is disclosed. The system includes a plurality of tracks disposed above the movable walls and a plurality of movable and removable wall panels slidably mounted on the tracks.

The invention relates to an escape device for a rail vehicle comprising an emergency door (8) integrated into a front of the rail vehicle and a movable ramp (16) for bridging a coupler (26) of the rail vehicle, wherein the ramp (16) being associated with the emergency exit door (8) and being movable from a storage position into an operational position. The ramp (16) is located in its operational position completely above the coupler (26) of the rail vehicle. Moreover, the ramp (16) is provided with a foldable or telescopic ladder (21). The escape device allows both a train-to-train and a train-to-track evacuation of passengers.

The invention discloses a cross slider type sliding plug door mechanism, relates to an opening / closing and sealing mechanism of a sliding plug door for a high-speed train, and is particularly applied to opening / closing and sealing the door of a subway or the high-speed train. The cross slider type sliding plug door mechanism consists of a stepping motor, a screw rod, a screw rod nut, a support, a main shaft, a cross slider, a guide rod, a sliding plug door body, a guide wheel and a guide slot. The main shaft is fixed on the support. One hole in the cross slider matches the main shaft and can slide along the main shaft, and another hole of the cross slider perpendicular to the hole is matched with the guide rod. The sliding plug door body is fixedly coupled to the guide rod through a bolt. The guide wheel is arranged on the guide rod, and is limited in the guide slot to move. The guide slot is made into a shape of a line and a circular arc. When the guide wheel is driven by the cross slider to move along the guide slot, the guide wheel drives the sliding plug door to open and close and the sliding plug movement is realized. The movement of the cross slider is realized by driving the screw rod to rotate through the stepping motor, so the screw rod nut moves linearly, and the screw rod nut is fixedly coupled to the cross slider.

The invention discloses a hidden sealed door for a railway vehicle. The hidden sealed door comprises a driving mechanism, a bearing mechanism, door leaves, a sealing frame and a doorsill, wherein the driving mechanism comprises a lead screw nut mechanism; the bearing mechanism comprises bearing trolleys, and two upper guide rails and two lower guide wheels which are used for performing guidance for the translation, sliding and plugging movement of the door leaves; nuts of the lead screw nut mechanism are connected with each bearing trolley through a hinge mechanism; and when opened, the doorsill is located within the wall body of the railway vehicle. According to the hidden sealing door for the railway vehicle, provided by the invention, jiggle sliding and plugging movement is additionally arranged based on the original hidden translation door; adhesive tape sealing is adopted to replace the brush sealing structure, so that the sealing effect of the railway vehicle door system is improved; meanwhile, electrically controlled door is used, and the acoustic and thermal insulation property is good, so that the comfort requirement of a passenger can be satisfied; and the structure is simple, the sliding and plugging movement can be achieved without an air supply, and the time required for shutting the door is short.

A control unit is provided that controls a motor that opens and closes a door of an electric train such that, if an abnormality is detected by a position sensor, continuation of its open / closing operation can be maintained. The control unit includes an arrangement for computing the actual rotation speed and the magnetic polar position of the motor; a position sensor abnormality-detecting identifier unit for detecting abnormalities in the output of the position sensor; and a first controlling arrangement that generates voltage-instructing values by applying the magnetic polar position so as to cause a speed detection value to correspond to the speed instruction value. The control unit further includes a second controlling arrangement, which in turn includes an F / V arithmetic unit 24 and integrator 25; and a switcher unit 27. The F / V arithmetic unit 24 generates a voltage instruction value having a specific magnitude and phase corresponding to the speed instruction value by utilization of magnetic polar position data that is obtained via integration of a frequency corresponding to the speed instruction value. The switcher unit 27 selects either of the first and second controlling arrangements so as to generate voltage-instructing values for a power converter 3. When the output of the position sensor is normal, the switcher unit 27 selects a specific voltage-instructing value delivered from the first controlling arrangement, whereas if the position of the sensor 5 is abnormal, the switcher unit 27 selects a specific voltage-instructing value delivered from the second controlling arrangement.

A modular sliding door system includes a modular base with one or more lower tracks that may be removably connected in parallel, and ramps that may be connected to either side of a given lower track. The base may include one or more connectors that are configured to connect between two consecutive lower tracks. Each lower track has at least one longitudinal rail configured to receive a lower wheel assembly of a sliding door. The lower wheel assembly includes a lower wheel that has a transverse latch member disposed vertically below the lower wheel to slidably latch the lower wheel assembly to the lower track as the lower wheel rotates matingly on the longitudinal rail.

A retaining mechanism for a multi-section slide track assembly includes a stop actuating assembly and a resilient retainer assembly. The stop actuating assembly is provided on an intermediate slide track of the multi-section slide track assembly while the resilient retainer assembly is provided on an outer slide track of the multi-section slide track assembly. To retain a return movement of the intermediate slide track, the stop actuating assembly is directly engaged with the resilient retainer assembly to provide a high-degree effective operation of retaining reliability. The stop actuating assembly includes a stop-engaging member and a resiliently actuating member combined therewith. The resilient retainer assembly correspondingly includes a resilient stop member which can be engaged with the stop-engaging member for positioning the intermediate slide track, and can be actuated by the resiliently actuating member for releasing the intermediate slide track.