Abstract: A sealing device of a swing-in door for a bus may include a lower sealing member configured to be hingedly coupled to an outdoor side of a lower end portion of the swing-in door, and a guide arm configured to be coupled to the lower end portion of the swing-in door to rotate the swing-in door in an opposite direction when rotated.

Abstract: A method for aligning a first door and a second door includes steps of: (1) moving the first door and the second door from an opened position toward a closed position; (2) engaging a striker arm with a cam of a follower mechanism; (3) aligning a first mating edge and a second mating edge by moving the cam along a second follower surface of the striker arm; (4) separating the first mating edge from the second mating edge by engaging the cam to an apex of the striker arm; (5) aligning the first mating edge and the second mating edge by moving the cam along a first follower surface of the striker arm; (6) maintaining alignment of the first mating edge and the second mating edge by engaging a convex first rail coupled with a concave second rail; and (7) disengaging the cam from the first follower surface.

Abstract: A latch for a cabinet is described. The latch may be used to secure a door of the cabinet in a closed position. The latch includes a pawl member that pivots or rotates relative to a pivot plate. The pawl member includes a pawl tip generally opposite of a pawl fulcrum end. The latch includes a striker. The pawl member engages and disengages with the striker. The latch includes a handle that is configured to move. The handle includes an upper end. The upper end is configured to contact the pawl lever end to cause the pawl member to pivot or rotate relative to the pivot plate to disengage the pawl member from the striker.

Abstract: An overhead door guide cover that includes a first leg and a second leg separated by an inter-hinge area. A first end of the inter-hinge area is joined with the first leg at a first hinge. A second end of the inter-hinge area is joined with the second leg of a second hinge. The second leg is for engaging a door guide assembly; and the first leg is for engaging a structure wall.

Abstract: An automatic door bottom drop down seal having an actuator responsive to closing of the door for moving a sealing member vertically downwards into a sealing position relative to the door threshold when the door is closed. The actuator includes a arm connected to a block slidable within a channel of the seal housing. The arm is pivotally connected to the slide block so to pivot downwardly to impart downward pressure on the sealing member.

Abstract: A sealing assembly for sealing a gap between a swing door and a floor comprises a sealing member installed to be able to rotate from a closed position to an open position, an elastically deforming member made of an elastomer composition engaged to the sealing member, and a seal driving member to rotate the sealing member from the closed position to the open position when the door is opened. The elastically deforming member is deformed when the sealing member rotates from the closed position to the open position, and the sealing member returns from the open position to the closed position by elastic force of the elastically deforming member when the door is closed.

Abstract: An automatic door bottom having a release mechanism is used on the bottom of a hinged door that is pivotable to be positioned over a sill when closed and includes a movable sealing member having a length corresponding to the width of the door and is housed in a channel mounted on the door. The sealing member is movable vertically downwardly into a sealing position in which the sealing member will contact the door sill when the door is closed. The release mechanism permits the sealing member to be moved upwardly even when the door is in the closed position.

Abstract: A door guard is provided. The door guard includes a pair of positioning seats of symmetrical configuration secured to a door above the bottom of the door and a door guard releasably disposed to the positioning seats. The door guard has an upper plate made of flexible material and a lower plate made of web and connected by a connection plate. It is characterized in that the door guard may put upside-down to cope with the changing of the seasons in order to prevent the insects or the sandy wind from entering into the house.

Abstract: A sealing apparatus for use with a door which swings over a threshold and has a door lower end, a door face and a door frame, for closing the gap between the door lower end and the threshold, includes a mechanism mounting member; a substantially horizontal gate member for closing the gap; a slide bar positioned above and substantially parallel with the gate member, the slide bar having a protruding end extending laterally from the door toward the door frame to abut the door frame as the door is closed; structure for guiding the slide bar to move laterally relative to the door and to the mounting member; a leaf spring having a leaf spring first end and a leaf spring second end and a leaf spring central segment, the leaf spring first end being engagingly fitted to the slide bar and the leaf spring second end being engagingly fitted to the gate member, where the leaf spring central segment is resiliently pivotable upwardly and laterally to vertically displace the gate member relative to the slide bar; structure

Abstract: An automatic door bottom for a hinged door which is pivotable to be positioned over a sill when closed, the door having a hinge side and a width, the door bottom having an inverted channel having an open bottom, a length corresponding to the door width and a hinge end corresponding to the hinge side of the door; a sealing member having a length corresponding to the length of the channel, the sealing member being housed in the channel and being movable vertically downwardly into a sealing position in which the sealing member will contact the sill when the door is closed; and a displacement mechanism installed in the channel and coupled to the sealing member for moving the sealing member vertically into the sealing position in response to closing of the door, wherein the displacement mechanism is coupled to the sealing member at a plurality of points along the length of the sealing member and is operative to move the end of the sealing member at the hinge side of the channel into the sealing position prior to t

Abstract: A multi-finger door frame seal which results in reduced hinge bind and which creates a predetermined sound upon opening of the door is disclosed. The frame seal is mounted on the stop on the hinge jamb, while on the rabbett on the lock jamb thereby reducing hinge bind during closing of the door. Use of the multi-finger frame seal according to certain embodiments results in a generation of a predetermined sound upon opening of the door. Also disclosed is a security seal system for use adjacent the bottom of the door. The security seal includes a flap which may be either gravity-actuated or spring-actuated. In spring-actuated embodiments, a cam forces the security flap downward into the closed position as the door is closed. While in gravity-actuated embodiments, closing of the door results in gravity causing the security flap to move downward into the closed position where it is maintained while the door is closed.

Abstract: A motor unit fitted with a buffer mechanism which absorbs the turning force of a motor when an output shaft of the motor stops due to an external load while the motor is operative and which can provide stable performance without causing biting between a worm and a worm wheel. The motor unit fitted with the buffer mechanism causes relative rotation between the output shaft and the worm wheel when the output shaft stops turning while the motor is operative. Springs and rubbers are provided in series or in parallel in a power transmission system within the worm wheel with respect to the direction of rotation of the worm wheel so as to function as buffer members by absorbing the turning force of the motor when the output shaft stops turning while the motor is operative.

Abstract: A sealing apparatus for use with a door which swings over a threshold between an open position and a closed position and has a door lower end spaced above said threshold and defining a gap between the door lower end and the threshold when the door is in the closed position, and has a door face and a door frame includes a mechanism mounting member; a gate member for closing the gap; a leaf spring having a leaf spring first end and a leaf spring second end, the leaf spring first end being secured to the gate member with a securing structure, and the leaf spring second end being secured to the mounting member with an anchoring structure, where a segment of the leaf spring angles upwardly and laterally to form a spring cam surface; a structure for guiding the gate member to move up and down relative to the door; a cam engaging member positioned above and substantially parallel with the gate member, the cam engaging member having a protruding end extending laterally from the door toward the door frame to abut the

Abstract: An automatically-actuated sealing device is disclosed which seals a gap between a door bottom (or edge) and a surface defining part of an opening through which weather, dust, insects, etc. may otherwise pass. The sealing device includes a support element attachable to the door bottom, a seal actuating element movably supported by the support element, a sealing element moved by the seal actuating element into a sealing position, and a plurality of metal, plastic or metal and plastic spring elements which couple the seal actuating element to the support element and urge the seal actuating element to seal the gap. The sealing devices operate by coupling the device to the opening defining surface so that opening and closing of the door generates movement of the seal actuating element. A projection on the seal actuating element is engaged by the door jamb or a bearing element attached to the jamb, and is laterally moved in response to opening and closing the door.

Abstract: A sealing device automatically seals a gap between a door bottom and a floor in response to closing movement of the door. The sealing device includes a support element attachable to the door bottom, a seal actuating element movably supported from the support element by spring elements, and a sealing element carried by the seal actuating element. The sealing device may be mounted to the inside or outside of a door, or mortise-mounted in the door, and may be mounted to left- or right-opening hinged doors, or to sliding or articulated closures, and may be provided as an after market or OEM device. The spring elements in the preferred embodiment are one-piece and are integrally connected to both the support element and the seal actuating element, thereby forming a one-piece sealing device preferably made of plastic.

Abstract: Sealing device for a door, which comprises a sealing element provided on the lower edge of the door and being in the upper position when the door is opened and moving down when the door is shut to eliminate the clearance between the door edge and the floor. The sealing element is supported by an oscillating lever, which rotates to make the sealing element move up and down.

Abstract: A hatchway door for an elevator system which includes a smoke seal. The smoke seal includes a compression seal along the trailing edge of each door panel which engages as the panel reaches the fully closed position, an astragal seal along the leading edge which engages another panel or a return, and sealing arrangements associated with the top and bottom portions of each door panel which seal the associated gaps with a spring loaded cam action which translates horizontal movement of the door panel to vertical movement of each sealing arrangement.

Abstract: Automatically actuated seal constituted of a profile molding connected to a movable panel in a frame, a sill, or a portion of the casing of the frame, and having an elongated sealing element, mounted in a groove of the profile molding and able to be displaced between a retracted position and a projecting sealing position under the effect of an actuating device lodged in the profile molding and having a sealing joint with several legs, one of which is connected to the sealing element and another to the profile molding.

Abstract: A channel is formed between the inner and outer walls in each meeting edge of the doors in a double swinging door installation, and an elongated leaf is pivotably mounted in the channel of each door and extends substantially the full height of its door. Each leaf is pivotable in its channel between a first position adjacent the outer wall of its door where the leaf protrudes out of its channel toward engagement with the leaf of the other door, and a second position away from the outer wall of its door in which the leaf is substantially retracted into its channel. Coil torsion springs urge the leaf of each door toward its retracted position, and a door stop is located in the door frame at the meeting edge portions of the doors for urging the leaves of the doors toward their protruding and engaging positions when the doors are in their closed positions.

Abstract: An automatic threshold seal for a door having a pivoted structure for bearing a compressible seal disposed within a housing and comprising apertured control members affixed within said housing and to the upper surface of said pivoting structure through which a spring rod is installed in such fashion that the apertured control member affixed to said pivoting structure automatically operates the seal as an end of the spring rod projecting through the hinged edge of the housing is activated as the door opens and shuts.

Abstract: A door bottom weather sealing structure carried as a surface mounting at the inside bottom portion of a door comprising a channel member extending the width of a door having disposed therein an extensible and retractable sealing member, the sealing member having an outward projection thereof engaging the door jamb upon the closing of the door for an automatic extension of the sealing member into floor engagement and an automatic retraction of the sealing member upon the opening of the door, the structure providing a precise adjustment of the extension of the sealing member.

Abstract: Automatic base seal constituted of a profile molding destined to be attached to a panel, especially a door, pivoting in a door frame, and having an elongated sealing element able to pivot between a retracted position with respect to the base seal and a position of sealing when extended with respect to the latter under the effect of an actuating device.The profile molding has a section permitting it to be placed in and attached to the inside of a channel made in the bottom edge of the panel.

Abstract: A vertical side weatherstrip for door comprising a jamb mountable shell with moveable sealing strip and strip support rail, an internal means of mechanically holding the sealing strip and support rail recessed into the shell during the operation of the door, and a mechanical means by which the sealing strip with support rail is thrust down and outward against the door edge as the door reaches its closed or full down position. The means for causing the sealing strip to so operate include an internal restraint coil spring, directional guide slots for pins fixed to the shell and passing through the sealing strip support rail, and a bottom plate projecting from the face of the weatherstrip support rail so as to engage and hence translate with the bottom edge of the door as the latter reaches its closed or full down position.

Abstract: An automatic base seal for a door where a deformable rod having an end fixed in a molding deforms transversely through a slot when its other free end is engaged by a door frame when the door is closed. The deformed portion of the rod displaces a seal against the threshold to seal the bottom of the door. Sides of a groove in the molding guide the deformed portion of the rod, and return springs maintain the seal retracted and adjacent the slot when the door is open. In one embodiment the seal pivots, and in another embodiment the seal moves vertically.

Abstract: A weather excluder for attachment at the foot of a door which includes a closure member capable of vertical movement towards the floor upon closing of the door and away from the floor upon opening the door, characterized in that two jamb engaging members are provided which each contact one of the jambs of the door and which each provide one stage in the vertical movement of the closure member.