JP4481068B2 - Movable landing equipment for elevators for base-isolated buildings - Google Patents

Description

  In the present invention, a base isolation structure is supported by a base building via a base isolation device, and a hoistway is formed in the base building and the base isolation structure, and a boarding passage is provided between the hoistway and the building. The present invention relates to a movable landing device for a seismically isolated building elevator.

  In the conventional elevator base station for base-isolated buildings, the base-isolated building supported by the base building via the base-isolating device and the base-isolated building are arranged in a fitted state. A hoistway is provided, and an entrance / exit passage is disposed between the building and the hoistway. That is, a hoistway entrance / exit that is provided in the hoistway and forms one side of the entrance / exit passage is disposed, and a base portion that is provided in the base building and is disposed opposite the hoistway entrance / exit to form the other side of the entrance / exit passage A doorway is equipped.

  Then, one side of the base plate is held at the base entrance / exit and protrudes toward the hoistway entrance / exit, and one side of the hoistway plate is held at the hoistway entrance / exit and protrudes toward the base entrance / exit. Further, one side of the intermediate plate is engaged with the other side of the base plate, the other side of the intermediate plate is engaged with the other side of the hoistway plate, and the space between both the base plate and the hoistway plate is closed, The floor surface of the entrance / exit passage is formed by both and the intermediate plate.

  This accommodates changes in the distance between the base building and the hoistway during an earthquake or strong wind. With such a configuration, the entrance / exit passage is configured to be displaced or expanded / contracted when the both are relatively displaced in the horizontal direction during an earthquake or the like (for example, see Patent Document 1). As another prior art, even if the left and right buildings are swung in the left and right direction due to an earthquake or the like, they can absorb the wobbling movement, and are small in a plurality of barrier curtain support bars that always move at a predetermined interval. There has been proposed a curtain device in which the curtain is fixed by bending (see, for example, Patent Document 2). Also, a cylindrical movable middle cylinder that is telescopically disposed inside the cylindrical boarding passage main body and whose tip is connected to the entrance opening of the seismic isolation hoistway so as to be relatively movable in the left-right direction; The rear end is fixed on the floor and is located on the lower part of the fixed plate that is slidably superimposed on the floor plate of the movable middle cylinder. An elevator entrance / exit structure including a spring device that presses and urges the side is proposed (see, for example, Patent Document 3).

Japanese Patent Laid-Open No. 11-171429 (summary, FIG. 1) JP-A-11-81499 JP 11-335023 A

In conventional elevator bases for base-isolated buildings, when a relative displacement occurs between the base building and the hoistway at the time of an earthquake, the hoistway is connected to the base doorway of the base building. A displacement that inclines in a direction in which there is a difference between the distance to the upper edge and the distance to the lower edge of the base entrance, that is, a tilting inclination in the direction along the entrance / exit direction of the entrance / exit with respect to the base entrance.
In this way, in the conventional entrance / exit constructed by the base plate, the hoistway plate, and the intermediate plate when the tilting inclination of the hoistway occurs in the entrance / exit direction with respect to the base entrance / exit, the base entrance / exit based on the tilting inclination of the hoistway And the response to the relative displacement of the hoistway entrance is insufficient. That is, the base plate, the hoistway plate, and the intermediate plate are inclined in the direction in which one side in the width direction moves up and down. For this reason, there has been a problem that the sliding displacement between them becomes unsmooth and the member is deformed or an unpleasant squeak noise is generated. In addition, in order to solve such a problem, a device that smoothly slides and displaces in the event of an earthquake has been proposed, but the moving parts of the landing gear will not return to their normal positions after the earthquake occurs, and the appearance will be poor. Become. Therefore, it was necessary to set again, which was very time-consuming. In addition, other prior art screen curtain devices could not be diverted as they are to the movable landing device of the base-isolated building elevator. In addition, the elevator entrance / exit structure of the prior art is always urging the entrance / exit passage body to the entrance / exit side of the seismic isolation hoistway by the urging force of the spring device. It was not considered.

  The present invention has been made in order to solve such a problem, and provides a movable hall device for an elevator for a base-isolated building that makes it possible to reduce the protruding margin of a landing floor as much as possible and to return to a predetermined position after an earthquake. It is to provide.

In the movable landing device for an elevator for a base-isolated building according to the present invention, the base-isolated building is supported by the base building via the base-isolating device, and a hoistway is formed in the base and the base-isolated building, A boarding passage is provided between the hoistway and the building, a fixed doorway is provided on the building side of the boarding passage, and a movable doorway is provided on the hoistway side of the boarding passage. A fixed floor plate, a fixed ceiling and a fixed side wall that form a fixed entrance, a movable side floor plate that is provided on the hoistway side of the entrance / exit passage, and is arranged so as to be constantly superposed on the upper surface of the fixed floor plate; A plurality of movable ceilings and movable side walls that are respectively provided on the hoistway side and are slidably fitted inside the fixed ceiling and the fixed side walls, respectively, and the fixed floor board is installed in the recess of the landing floor on the building side. , A hollow fixed floor plate body provided so that the upper surface is and tip a landing floor flush is end and the same position of the landing floor of the building body, fitted retractably on the fixed floor plate body The movable projecting floor, which is provided between the inserted movable projecting floor and the fixed floor plate body and the movable projecting floor, and when the movable projecting floor is constantly urged into the projecting state and a force such as an earthquake is applied. The movable side floor plate is supported by being superposed on the upper surface of the movable protruding floor that protrudes by the movable stroke when the longest extension occurs in the event of an earthquake. is there.

  Furthermore, a link mechanism that operates only in the pulling direction is provided between the tip of the movable protruding floor and the movable entrance / exit fixing portion on the hoistway side of the passenger passage so that the movable protruding floor can be returned.

  In addition, the fixed floor board main body is formed by forming the top surface of the tip on the side where the movable projecting floor is inserted into an inclined or curved surface, and the tip of the tip inclined surface of the movable floor plate facing this is formed in a curved shape. It is.

  In addition, a spring is used as the elastic member.

The present invention is provided on the building body side of the entrance / exit passage, and is provided on the fixed floor board, the fixed ceiling and the fixed side wall forming the fixed entrance and the hoistway side of the entrance / exit passage, and is arranged so as to be constantly polymerized on the upper surface of the fixed floor board And a plurality of movable ceilings and movable side walls which are provided on the hoistway side of the entrance and exit passages and are respectively slidably fitted inside the fixed ceiling and the fixed side walls. A hollow fixed floor board body, which is installed in a recess of the landing floor, and is provided so that the upper surface is flush with the landing floor surface and the tip is in the same position as the end of the building floor. and freely fitted interpolated movable protruding floor infested in the fixed floor plate body disposed between the stationary floor plate main body and a movable protruding floor, the force of an earthquake or the like biases the movable projecting bed always projecting state The movable extended floor of the longest extension Is composed of a telescopic member to extend up to the dynamic strokes, movable floorboards, when the longest extension of the earthquake occurs, since to be supported by polymerization to the top surface of the movable protrusion bed protrudes by moving stroke, Architectural There is an effect that it is not necessary to increase the protruding margin of the landing floor on the body side.

  In addition, a link mechanism that operates only in the pulling direction so that the movable projecting floor can return is provided between the tip of the movable projecting floor and the movable entrance / exit fixing section on the hoistway side of the getting-on / off passage, or the fixed floor board main body is The top surface of the tip on the side where the movable projecting floor is inserted is inclined or curved, and the tip of the tip inclined surface of the movable floor plate facing this is formed into a curved surface, so that the movable projecting floor There is an effect that can be easily restored.

Embodiment 1 FIG.
FIG. 1 is a longitudinal sectional view conceptually showing an elevator for a base-isolated building, FIG. 2 is a diagram for explaining the situation at the time of the earthquake of the elevator for a base-isolated building in FIG. 1, and FIG. 3 is an embodiment for carrying out the present invention. FIG. 4 is a sectional view taken along line AA in FIG. 3, FIG. 5 is a side view showing an outer surface of the movable landing apparatus, and FIG. 6 is movable. FIG. 7 is a side view showing a state when the movable part of the landing device is shortened, FIG. 7 is a side view showing a state when the movable part of the movable landing device is extended to the longest, and FIG. FIG. 9 is a plan view showing the longest extension state of the movable part of the movable landing device, and FIGS. 10 to 12 are side views showing three kinds of expansion and contraction states in the movable floor portion of the movable landing device. FIG. 5 is a diagram corresponding to FIG. 4 for explaining the situation at the time of the earthquake.

  1 to 6, a base building 2 is constructed on the ground 1, and a base isolation building 4 is supported by a base isolation device 3 on the base building 2. And the hoistway 5 longitudinally passed through the base building 2 and the seismic isolation building 4 is provided, and a plurality of movable hoistway frames extending from the upper part of the base building 2 to the lower part of the seismic isolation building 4 in the hoistway 5. 6 are arranged apart from each other. Further, a boarding passage 7 is provided between the base building body 2 and the movable hoistway frame 6.

  Then, a car 9 that raises and lowers the hoistway 5 is guided by a car guide rail 8 that is erected on the hoistway 5 and connected to the movable hoistway frame 6, and is also erecting on the hoistway 5 and moved to the movable hoistway frame. The counterweight 11 that moves up and down the hoistway 5 is guided to the counterweight guide rail 10 connected to the counter 6.

  Moreover, the machine room 12 is provided in the upper part of the seismic isolation building 4, the hoisting machine 13 is installed, the main rope 14 is wound around the driving sheave, and the cage | basket | car 9 is counterweighted at the other end. 11 is suspended. A shock absorber 15 is erected on the bottom surface of the hoistway 5 so as to face each of the car 9 and the counterweight 11.

  Further, a hoistway entrance 16 is provided on the movable hoistway frame 6 side, which is one side of the entrance / exit passage 7, and a landing door 17 that opens and closes the hoistway entrance 16 and a landing door 17 at the lower edge of the hoistway entrance 16 are provided. A threshold 18 is provided to guide the lower end of the door. And the fixed side entrance 19 which forms the other side of the boarding passage 7 in the base building 2 and the seismic isolation building 4 side facing the hoistway entrance 16 is provided.

  A fixed-side floor plate 20 is provided at the lower edge of the fixed-side entrance 19 and protrudes toward the hoistway entrance 16, and is disposed at the upper edge of the fixed-side entrance 19 toward the hoistway entrance 16. A fixed-side ceiling plate 21 is provided. Further, one side is pivotally attached to the side edge of the fixed side entrance / exit 19 via the vertical axis, the other side is arranged near the hoistway entrance / exit 16, the upper end is arranged with a gap formed in the fixed side ceiling plate 21, and the lower end is A fixed side wall plate 23 is provided in the fixed side floor plate 20 so as to form a gap. Thereby, the fixed floor, fixed side wall, and fixed ceiling of the getting-on / off passage 7 are formed. The fixed-side floor board 20 is installed in a concave portion of the building floor of the building, and is provided so that the upper surface is flush with the landing floor and the tip is substantially at the same position as the end of the building floor. The hollow fixed side floor main body 20a thus formed, the movable projecting floor 20b fitted and inserted in the fixed side floor main body 20a, and the rear end of the hollow fixed side floor main body 20a are movable. An elastic member 20c such as a spring is provided between the rear end of the type protruding floor 20b and urges the movable type protruding floor 20b to the protruding state shown in FIGS. 4, 5, and 10 at all times. ing. In addition, the movable projecting floor 20b is compressed into a shortened state shown in FIGS. 6, 8, and 11 when a lateral force is applied by an elastic member 20c such as a spring due to an earthquake or the like, or FIG. 9 and 12 are extended to the longest extension state. In FIG. 12, the distance L is the movable stroke of the movable protruding floor 20b, which eliminates the need to increase the protruding margin of the landing floor of the building.

  On the other hand, the movable side walls and the movable ceiling of the getting-on / off passage 7 are configured as follows. The movable side wall 27 and the movable ceiling 28 of the boarding / alighting passage 7 are each composed of a plurality of, for example, three portal stainless steel plates. The movable side wall 27 and the movable ceiling 28 made of this portal stainless steel plate are slidably fitted inside the fixed ceiling plate 21 and the fixed side wall plate 23, and the first movable side wall 27a and the first movable ceiling 28a. A second movable side wall 27b and a second movable ceiling 28b slidably fitted inside the first movable side wall 27a and the first movable ceiling 28a, and the second movable side wall 27b and the second movable ceiling. This is a three-layer structure composed of a third movable side wall 27c and a third movable ceiling 28c that are slidably fitted inside 28b. The movable side wall 27 and the movable ceiling 28 of the getting-on / off passage 7 are expanded and contracted at the portions slidably fitted to each other when an earthquake occurs, and are displaced as shown in FIGS. 8, 9, and 13. Note that the movable hoistway frame 6 side ends of the third movable side wall 27c and the third movable ceiling 28c are pivotally attached via a vertical axis and a vertical axis.

  In addition, at the upper and lower two locations outside the fixed side wall plate 23 and the movable side walls 27a to 27c of the getting-on / off passage 7, vertical telescopic connection links 30 comprising pantograph operation mechanisms are provided. Both ends of the telescopic connection link 30 are pivotally supported by the fixed side wall plate 23 and the third movable side wall 27c by pivot pins 30a and 30b. The pivot pins 30c and 30d in the middle part of the telescopic connecting link 30 in the vertical direction are pivotally supported by the first movable side wall 27a and the second movable side wall 27b, respectively. A vertically long slot 31 into which the pivot pins 30c and 30d are inserted is provided in the pivotal portion of the movable side wall 27b. Similarly, horizontal expansion / contraction link 32 comprising a pantograph operation mechanism is provided at the left and right two locations outside the fixed ceiling plate 21 and the movable ceilings 28a to 28c of the entrance / exit passage 7. Both ends of the horizontal expansion / contraction link 32 are pivotally supported on the fixed ceiling plate 21 and the third movable ceiling 28c by pivot pins 32a and 32b. The pivot pins 32c and 32d at the intermediate portion of the telescopic connecting link 32 are pivotally supported by the first movable ceiling 28a and the second movable ceiling 27b, respectively, and the first movable ceiling 28a and the second movable ceiling 28b. A vertically long slot into which the pivot pins 32c and 32d are inserted is provided in the pivotal support portion.

Moreover, the movable floor board of the getting-on / off passage 7 is comprised as follows. A movable floor plate 24 is disposed at the lower edge of the hoistway entrance 16, one side is pivotally attached via a horizontal axis 25, and the other side is disposed near the fixed side entrance 19, and is always on the upper surface of the fixed side floor main body 20 a. As a result of the polymerization, an inclined surface 26 whose tip is inclined downward is formed at the tip. As shown in FIGS. 5 and 10, the movable floor plate 24 is always superposed on the upper surface of the fixed side floor plate body 20a and the movable protruding floor 20b with a considerable distance. Further, when the earthquake occurs, the overlapping distance between the movable floor plate 24 and the fixed-side floor main body 20a is as shown in FIG. 6 and FIG. 11 (the overlapping distance is large when shortened) or FIG. 7 and FIG. Even if it changes to, the floor surface of the boarding / alighting passage 7 is ensured. In particular, at the time of the longest extension shown in FIG. 7 or FIG. 12, it is supported by being superposed on the upper surface of the movable protruding floor 20b protruding by the movable stroke L. This eliminates the need to increase the protruding margin of the building floor.

  Moreover, the link mechanism 33 which connects between the fixed part of the floor side lower end part of the hoistway entrance 16 equipped in the movable hoistway frame 6 side and the front-end | tip part of the movable protrusion floor 20b is provided. The link mechanism 33 is a link mechanism that operates only in the pulling direction so that the movable protruding floor 20b can be returned.

  In the movable landing device for an elevator for a base-isolated building constructed as described above, the car guide rail 8 and the counterweight as shown in FIG. 1 at all times, that is, when the base-isolation device 3 is not deformed in the horizontal direction. The guide rail 10 is vertically arranged, and the plurality of movable hoistway frames 6 are arranged on the vertical line so as to be separated from each other in the vertical direction. Then, the car 9 and the counterweight 11 are moved up and down in the state shown in FIG.

  Further, at all times, the hoistway entrance 16 and the fixed side entrance 19 are arranged at a predetermined interval from each other and are arranged in a vertical posture. Then, the movable floor plate 24 is arranged on the fixed side floor plate body 20a and the movable protruding floor 20b by being polymerized by a sufficient distance. The first movable ceiling 28a is superposed on the lower surface of the fixed ceiling plate 21, the second movable ceiling 28b is superposed on the lower surface thereof, and the third movable ceiling 28c is superposed on the lower surface thereof at substantially equal intervals. Arranged. In addition, the first movable side wall 27a is superposed on the inner surface of the entrance / exit passage 7 of the fixed side wall plate 23, the second movable side wall 27b is arranged on the lower surface thereof, and the third movable side wall 27c is arranged on the lower surface thereof at substantially equal intervals. It is polymerized and arranged.

  With the configuration described above, as shown in FIGS. 4, 5, and 10, the entrance / exit passage 7 without gaps is formed on the floor surface, wall surface, and ceiling surface at all times, thereby realizing the entrance / exit passage 7 exhibiting an aesthetic appearance. Can do. When the base building 2 and the seismic isolation building 4 are relatively displaced during an earthquake or a strong wind, and the horizontal deformation occurs in the seismic isolation device 3, the movable hoistway frame 6 is arranged as shown in FIG. In this position, the car guide rail 8 and the counterweight guide rail 10 are bent due to elastic deformation.

When the car guide rail 8 or the like is bent, the movable hoistway frame 6 holds the car guide rail 8 and the counterweight guide rail 10 in a horizontal position at a predetermined position.
In this state, when a displacement occurs in which the plurality of movable hoistway frames 6 are displaced in the lateral direction perpendicular to the direction of passage of the passenger passage 7, the state shown in FIG. 13 is obtained.

  The fixed-side floor board 20 includes a hollow fixed-side floor board main body 20a, a movable protruding floor 20b that is slidably inserted into the fixed-side floor board main body 20a, and a hollow fixed-side floor board main body 20a. Expansion and contraction of a spring or the like that is provided between the rear end portion and the rear end portion of the movable projecting floor 20b and constantly biases the movable projecting floor 20b to the projecting state shown in FIG. 4, FIG. 5, and FIG. Since the movable projecting floor 20b is constituted by the member 20c, when a lateral force is applied by an elastic member 20c such as a spring due to an earthquake or the like, the movable projecting floor 20b is in a shortened state shown in FIGS. Compressed or extended to the longest extended state shown in FIGS. This eliminates the need to increase the protruding margin of the building floor. Further, the fixed side wall plate 23 and the movable side walls 27a to 27c and the fixed ceiling plate 21 and the movable ceilings 28a to 28c are equally expanded and contracted by the respective expansion and contraction connecting links 30 and 32. However, since the sliding displacement occurs, the appearance of the getting-on / off passage 7 can be maintained. In addition, even when the entrance / exit passage 7 is returned to the normal position after the earthquake occurs, the movable side walls and the movable ceiling can be slid and displaced by the respective extension connecting links 30 and 32 while maintaining a uniform interval. The resetting of the entrance / exit passage 7 with no irregularities and good appearance can be carried out very easily.

Embodiment 2. FIG.
FIG. 14 is a partial side view showing a state in which the movable floor portion of the movable landing device for the base-isolated building elevator according to the second embodiment of the present invention returns.
In FIG. 14, the fixed-side floor main body 20 a is formed by forming an upper surface portion at the tip, which is a side into which the movable protruding floor 20 b is inserted, into an inclined or curved surface. And the front-end | tip part of the front-end | tip inclination surface 26 of the movable floor board 24 which opposes this is also formed in the curved surface form. As shown in FIG. 10, the movable floor plate 24 is usually superposed on the upper surface of the fixed-side floor plate body 20a and the movable protruding floor 20b with a considerable distance. As shown in FIG. 14, when returning from the state where the movable floor plate 24 is overlapped and supported on the upper surface of the movable protruding floor 20 b protruding by the movable stroke L as in extension, as shown in FIG. Since the curved portion of the tip inclined surface 26 of the returning movable floor plate 24 comes into contact with the inclined or curved portion of the top surface of the fixed floor plate main body 20a, the tip of the movable floor plate 24 can easily be fixed to the fixed side floor plate body 20a. You can get on. Thereby, the movable floor board 24 can be quickly returned to the original predetermined position.

1 is a longitudinal sectional view conceptually showing an elevator for a base-isolated building. It is a figure explaining the condition at the time of the earthquake of the elevator for base-isolated buildings of FIG. It is a front view which shows the movable landing apparatus of the elevator for seismic isolation buildings in Embodiment 1 of this invention. It is sectional drawing along the AA line of FIG. It is a side view which shows the outer surface in a movable landing apparatus. It is a side view which shows the state at the time of shortening of the movable part of a movable landing apparatus. It is a side view which shows the state at the time of the longest expansion | extension of the movable part of a movable landing apparatus. It is a top view which shows the shortened state of the movable part of a movable landing apparatus. It is a top view which shows the state at the time of the longest expansion | extension of the movable part of a movable landing apparatus. It is a side view which shows one aspect | mode in the expansion-contraction state in the movable floor part of a movable landing apparatus. It is a side view which shows one aspect | mode in the expansion-contraction state in the movable floor part of a movable landing apparatus. It is a side view which shows one aspect | mode in the expansion-contraction state in the movable floor part of a movable landing apparatus. FIG. 5 is a diagram corresponding to FIG. 4 for explaining the situation at the time of an earthquake. It is a partial side view which shows the state in the middle of the return of the movable floor part of the movable landing apparatus of the elevator for seismic isolation buildings in Embodiment 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Earth 2 Base building 3 Seismic isolation device 4 Seismic isolation building 5 Hoistway 6 Movable hoistway frame 7 Boarding passage
8 Car guide rails
9 baskets
10 Counterweight guide rails 11 Counterweights 12 Machine room
13 Hoisting machine
14 main rope 15 shock absorber 16 hoistway doorway 17 landing door 18 threshold 19 fixed side doorway 20 fixed side floorboard 20a fixed floorboard body
20b Movable protruding floor
20c Elastic members such as springs 21 Fixed ceiling plate
23 Fixed side wall plate 24 Movable floor plate
25 Horizontal axis 26 Inclined surface 27 Movable side wall
27a-27c 1st-3rd movable side wall
28 Movable ceiling 28a-28c 1st-3rd movable ceiling
30 Vertical expansion link (pantograph operation mechanism)
30a-30d Pivot pin 31 Long hole 32 Horizontal expansion / contraction link (pantograph operation mechanism)
32a to 32d pivot pin 33 link mechanism

Claims (4)

The base building is supported by a base isolation device through a base isolation device, and a hoistway is formed in the base building and the base isolation building, and a boarding passage is provided between the hoistway and the building. In the elevator apparatus for a seismic isolation building in which a fixed entrance is provided on the building side of the entrance / exit passage and a movable entrance is provided on the hoistway side of the entrance / exit passage,
A fixed floor plate, a fixed ceiling and a fixed side wall, which are respectively provided on the building side of the boarding passage and form a fixed entrance,
A movable side floor plate provided on the hoistway side of the getting-on / off passage, and disposed so as to be constantly superposed on the upper surface of the fixed floor plate;
A plurality of movable ceilings and movable side walls, which are respectively provided on the hoistway side of the getting-on / off passage, and are slidably fitted inside the fixed ceiling and the fixed side walls;
The fixed floor board is installed in a recess of the landing floor on the building side , and is provided in a hollow shape so that the upper surface is flush with the landing floor surface and the tip is at the same position as the end of the building floor. The fixed floor board main body, a movable protruding floor fitted and retracted in the fixed floor board main body, and the fixed floor board main body and the movable protruding floor are provided so that the movable protruding floor is always in a protruding state. energized to when the force is applied such as an earthquake, is composed of a telescopic member to extend the movable protruding floor to the movable stroke of the longest extension, the movable floor is at maximum extension during an earthquake occurs, only the movable stroke A movable landing apparatus for an elevator for a seismic isolation building, wherein the movable landing apparatus is superposed on and supported by an upper surface of the protruding movable protruding floor . Claim to variable-acting protruding floor tip between the movable inlet and outlet fixing part of the hoistway of passenger passage, characterized in that a link mechanism that operates only in the tensile direction to the movable protruding floor return 1. A movable landing device for an elevator for a base-isolated building according to 1 .   The fixed floor board main body is characterized in that the tip upper surface portion on the side where the movable projecting floor is inserted is inclined or curved, and the tip of the tip inclined surface of the movable floor plate facing this is formed in a curved shape. The movable landing apparatus of the elevator for seismic isolation buildings of Claim 1 or Claim 2.   The movable landing device for an elevator for a seismic isolation building according to any one of claims 1 to 3, wherein a spring is used as the elastic member.

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