Hoistway door seal structure

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the door is closed, comprising:

• a wall structure having an opening therein defining a hoistway entrance having a headwall, a pair of lateral jambwalls, and a sill;
• a moveable, hoistway door that removably covers at least a portion of the hoistway entrance, the hoistway door having a leading edge and a trailing edge;
• a door support rail positioned in a generally horizontal orientation and connected to the wall structure, the door support rail having a roller support surface;
• a plurality of spaced, door support trucks connected to the hoistway door, each truck having a support roller engaging the roller support surface of the support rail and supporting the hoistway door while permitting lateral movement of the hoistway door between an open position permitting access to the hoistway and a closed position wherein the door substantially covers the hoistway entrance with the door spaced from the sill to define a sill space, spaced from the headwall to define a transverse space and spaced from the jambwalls to define trailing edge and leading edge lateral spaces;
• a leading edge sealing structure supported between the hoistway door and the wall structure, the leading edge sealing structure sealing the leading edge lateral space when the hoistway door is in the closed position and restricting the passage of smoke in the event of a fire;
• a trailing edge sealing structure supported between the hoistway door and the wall structure, the trailing edge sealing structure sealing the trailing edge lateral space when the hoistway door is in the closed position and restricting the passage of smoke in the event of a fire;
• a transverse sealing structure supported between the hoistway door and the wall structure, the transverse sealing structure sealing the transverse space when the hoistway door is closed;
• and
• a sill sealing structure connected to the bottom of the door, the sill sealing structure sealing the sill space when the hoistway door is closed;
• wherein the support rail has a top guide portion engaged by each support roller, and a bottom guide portion guiding the hoistway door in a second direction different than the lateral direction when the hoistway door is moved to the closed position and causing the sill sealing structure to engage the sill to seal the sill space and causing the transverse sealing structure to seal the transverse space when the door is in the closed position, the bottom guide portion being downwardly sloped portions engaged by the door support trucks, the downwardly sloped portions guiding the hoistway door downwardly when the hoistway door moves from the open position toward the closed position.

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the doors are closed to restrict the passage of smoke in the event of a fire, comprising:

• a wall structure having an opening therein defining a hoistway entrance having a headwall;
• a pair of opposing hoistway doors that movably cover the hoistway entrance;
• an elongated door support member positioned in a generally horizontal orientation and connected to the wall structure;
• spaced, door supports connected to each door, each support movably connected to the elongated support member, the door supports supporting an associated door while permitting lateral movement of the door between an open position permitting access to the hoistway and a closed position wherein the doors substantially cover the hoistway entrance with the doors each spaced from the headwall to define transverse spaces;
• transverse seal structures supported between each door and the wall;
• and
• wherein the door support member has a top guide portion engaged by the door supports, and a bottom guide portion guiding the hoistway door in a second direction toward the transverse seal structures, the second direction being different than the lateral direction when the hoistway door is moved to the closed position, the movement of the doors in the second direction sealing the transverse space with the transverse sealing structures when the doors are in the closed position, the bottom guide portion being downwardly sloped portions engaged by the door support trucks, the downwardly sloped portions directing the hoistway door vertically downward when the hoistway door moves from the open position toward the closed position.

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the doors are closed to restrict the passage of smoke in the event of a fire, comprising:

• a wall structure having an opening therein defining a hoistway entrance having a headwall, a pair of lateral jambs and a sill;
• a pair of opposing hoistway doors for movably covering the hoistway entrance;
• a door support rail positioned in a generally horizontal orientation and connected to the wall structure, the door support rail having a roller support surface;
• a plurality of spaced, door support trucks connected to each door, each truck having a support roller engaging the roller support surface of the support rail to support the associated door while permitting lateral movement of the door between an open position permitting access to the hoistway and a closed position wherein the doors substantially cover the hoistway entrance with the doors each spaced from the sill to define sill spaces, spaced from the headwall to define transverse spaces, spaced from the jambs to define lateral spaces and spaced from each other to define a meeting edge space;
• an elongated lateral extension extending from the lateral portion of each door toward the wall;
• lateral seals, each extending from the wall toward the associated door in an overlapping relationship to the lateral door extensions to contact the lateral door extensions to seal the associated lateral spaces when the doors are in the closed position;
• an elongated seal connected to the meeting edge of one of the doors sized to contact the meeting edge of the other door when the doors are in the closed position to seal the meeting edge space;
• elongated transverse extensions projecting from the top portion of each door toward the wall;
• elongated transverse seals projecting from the wall in an overlapping relationship with respect to the associated transverse door extension;
• and
• an elongated seal connected to the bottom of each door;
• and
• wherein the support rail has a top guide portion engaged by each support roller, and a bottom guide portion guiding the hoistway doors in a second direction different than the lateral direction when the hoistway doors are moved to the closed position to cause the bottom door seals to engage the sill to seal the sill spaces and to cause the transverse seals to engage the transverse door extensions to seal the transverse spaces when the doors are closed.

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the doors are closed to restrict the passage of smoke in the event of a fire, comprising:

• a wall structure having an opening therein defining a hoistway entrance having a headwall, a pair of lateral jambs and a sill;
• a pair of opposing hoistway doors movably adjacent to the hoistway entrance;
• a door support rail positioned in a generally horizontal orientation and connected to the wall structure, the door support rail having a roller support surface;
• a plurality of spaced, door support trucks connected to each door, each truck having a support roller engaging the surface of the support rail to support the associated door while permitting lateral movement of the door between an open position permitting access to the hoistway and a closed position wherein the doors substantially cover the hoistway entrance with the doors each spaced from the sill to define sill spaces, spaced from the headwall to define transverse spaces, spaced from the jambs to define lateral spaces and spaced from each other to define a meeting edge space;
• elongated lateral extensions on either side of the hoistway entrance, each projecting toward an associated one of the doors;
• lateral seals projecting from each of the doors toward the wall in an overlapping relationship with the lateral wall extensions to contact the lateral wall extensions to seal the associated lateral spaces when the doors are in the closed position;
• an elongated seal connected to the meeting edge of one of the doors sized to contact the meeting edge of the other door when the doors are in the closed position to seal the meeting edge space;
• elongated transverse extensions projecting from the top portion of each door toward the wall;
• elongated transverse seals projecting from the wall in an overlapping relationship with respect to the associated transverse door extension;
• an elongated bottom door seal connected to the bottom of each door;
• and
• wherein the roller support surface of the support rail has guide portion engaged by each support roller and a bottom guide portion guiding the hoistway doors in a second direction different than the lateral direction when the hoistway doors are moved toward the closed position to cause the bottom door seals to engage the sill to seal the sill spaces and to cause the transverse seals to engage the transverse door extensions to seal the transverse spaces.

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the doors are closed to restrict the passage of smoke in the event of a fire, comprising:

• a wall structure having an opening therein defining a hoistway entrance having a head, a pair of lateral jambs and a sill;
• a pair of opposing hoistway doors movably adjacent to the hoistway entrance;
• a door support rail positioned in a generally horizontal orientation and connected to the wall structure, the door support rail having a roller support surface;
• a plurality of spaced, door support trucks connected to each door, each truck having a support roller engaging the surface of the support rail to support the associated door while permitting lateral movement of the door between an open position permitting access to the hoistway and a closed position wherein the doors substantially cover the hoistway entrance with the doors each spaced from the sill to define sill spaces, spaced from the headwall to define transverse spaces, spaced from the jambwall to define lateral spaces and spaced from each other to define a meeting edge space;
• an elongated lateral extension projecting from the lateral portion of each door towards the wall;
• lateral seals, each projecting from the wall toward the associated door in an overlapping relationship to the lateral door extensions to contact the lateral door extensions to seal the associated lateral spaces when the doors are in the closed position;
• an elongated seal connected to the meeting edge of one of the doors sized to contact the meeting edge of the other door when the doors are in the closed position to seal the meeting edge space;
• an elongated transverse extension projecting from the wall above the hoistway entrance towards the doors;
• elongated transverse seals projecting from each of the doors in an overlapping relationship with respect to the associated transverse wall extension;
• and
• an elongated seal connected to the bottom of each door;
• and
• wherein the support rail has a top guide portion engaged by each support roller, and a bottom guide portion guiding the hoistway doors in a second direction different than the lateral direction when the hoistway doors are moved toward the closed position to cause the bottom door seals to engage the sill to seal the sill spaces and to cause the transverse seals to engage the transverse wall extensions to seal the transverse spaces.

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the doors are closed to restrict the passage of smoke in the event of a fire, comprising:

• a wall structure having an opening therein defining a hoistway entrance having a head, a pair of lateral jambs and a sill;
• a pair of opposing hoistway doors adjacent to the hoistway entrance,
• a door support rail positioned in a generally horizontal orientation and connected to the wall structure, the door support rail having a roller support surface;
• a plurality of spaced, door support trucks connected to each door, each truck having a support roller engaging the surface of the support rail to support the associated door while permitting lateral movement of the door between an open position permitting access to the hoistway and a closed position wherein the doors substantially cover the hoistway entrance with the doors each spaced from the sill to define sill spaces, spaced from the headwall to define transverse spaces, spaced from the jambwall to define lateral spaces and spaced from each other to define a meeting edge space;
• elongated lateral wall extensions on either side of the hoistway entrance, each of the elongated lateral wall extensions projecting towards the associated door;
• lateral seals projecting from each of the doors toward the wall in an overlapping relationship with the lateral wall extensions to contact the lateral wall extensions to seal the associated lateral spaces when the doors are closed;
• an elongated seal connected to the meeting edge of one of the doors, the elongated seal contacting the meeting edge of the other door when the doors are in the closed position and sealing the meeting edge space;
• an elongated transverse extension extending from the wall above the hoistway entrance towards the doors;
• elongated transverse seals extending from each of the doors in an overlapping relationship with respect to the associated transverse wall extension;
• and
• an elongated seal connected to the bottom of each door;
• and,
• wherein the support rail has guide portion engaged by each support roller, and a bottom guide portion guiding the hoistway doors in a second direction different than the lateral direction when the hoistway doors are moved to the closed position to cause the bottom door seals to engage the sill to seal the sill spaces and to cause the transverse seals to engage the transverse wall extensions to seal the transverse spaces when the doors are closed.

A hoistway door seal structure for limiting the flow of air through a hoistway opening when the door is closed to restrict the passage of smoke in the event of a fire, comprising:

• a wall structure having an opening therein defining a hoistway entrance;
• a hoistway door for covering the hoistway entrance, the hoistway door having a sloped top edge portion that sloped downwardly at an angle;
• an elongated door support member positioned in a generally horizontal orientation and connected to the wall structure, the elongated support member having a generally horizontal support surface and sloped bottom surface opposite the horizontal support surface, the sloped bottom surface sloping downwardly at approximately the angle of the door's sloped top edge portion;
• a seal structure supported between the sloped bottom surface of the elongated door support and the sloped top edge portion of the hoistway door;
• a door support connected to the hoistway door and movably connected to the support surface of the elongated support member to support the door while permitting movement of the door in a lateral direction between an open position permitting access to the hoistway and a closed position wherein the door substantially covers the hoistway entrance with a space between the hoistway door and the wall structure, the door support retaining the sloped top edge portion at approximately the same distance from the support surface when the hoist way door moves between the open and closed positions;
• and
• wherein the sloped top edge of the hoistway door is immediately adjacent to the sloped bottom surface of the elongated support member and the sloped top edge sealably engages the seal structure when the hoistway door is moved to the closed position to seal the space between the door and the wall structure when the door is in the closed position, and the sloped top edge of the hoistway door is positioned below and away from the sloped bottom surface of the elongated support member with an unsealed space therebetween when the hoistway door is moved toward the open position to allow uninhibited movement of the hoistway door between the open and closed positions.

A hoistway door seal structure for limiting the flow of air into or out of a hoistway, comprising:

• a wall structure having an opening therein defining a hoistway entrance;
• a hoistway door sized to cover at least a portion of the hoistway entrance when in a fully closed position and to allow access to the hoistway through the hoistway entrance when in an open position;
• an elongated door support member positioned in a generally horizontal orientation and connected to the wall structure;
• a door support device connected to the hoistway door and movably supported by the elongated door support member to support the hoistway door for substantially planar movement of the hoistway door in a lateral direction between the fully open position and the fully closed position, when in the fully closed position a space is provided between the hoistway door and the wall structure;
• and
• a seal structure positioned in the space between the hoistway door and the wall structure when the hoistway door is in the fully closed position, the elongated door support member adapted to guide the hoistway door to move along a path of movement in a selected direction relative to the seal structure between a partially closed position and the fully closed position as the hoistway door is moved into and out of the fully closed position, the seal structure having a door-mounted portion with a seal engaging surface positioned at a selected oblique angle relative to the door support, a wall-mounted portion having an angled seal mating surface positioned substantially parallel to the seal engaging surface, and a seal attached to one of the seal mating surface and the seal engaging surface and sealably engaging the other of the seal mating surface and the seal engaging surface to seal the space between the hoistway door and the wall structure when the hoistway door is moved into the fully closed position to limit smoke flow through the hoistway entrance, the seal being spaced apart from the other of the seal mating surface and the seal engaging surface and out of engagement therewith when the hoistway door is moved into the partially closed position.