EP3342950B1 - Inspection hatch - Google Patents

Inspection hatch Download PDF

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Publication number
EP3342950B1
EP3342950B1 EP18156378.4A EP18156378A EP3342950B1 EP 3342950 B1 EP3342950 B1 EP 3342950B1 EP 18156378 A EP18156378 A EP 18156378A EP 3342950 B1 EP3342950 B1 EP 3342950B1
Authority
EP
European Patent Office
Prior art keywords
support section
section bars
inspection hatch
section bar
outer framework
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18156378.4A
Other languages
German (de)
French (fr)
Other versions
EP3342950A1 (en
Inventor
Giovanni PANDOLFI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AKIFIX SpA
Original Assignee
Akifix SpA
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Filing date
Publication date
Application filed by Akifix SpA filed Critical Akifix SpA
Publication of EP3342950A1 publication Critical patent/EP3342950A1/en
Application granted granted Critical
Publication of EP3342950B1 publication Critical patent/EP3342950B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/003—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with movable parts, e.g. pivoting panels, access doors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations

Definitions

  • the present invention relates to an inspection hatch.
  • an inspection hatch comprising an outer framework, which has an annular, quadrilateral shape and is delimited by two first sides, which are parallel to one another, and by two second sides, which are parallel to one another and perpendicular to the first sides; and an inner door, which is movable, relative to the outer framework, between an opening position and a closing position to open and close the inspection hatch, and comprises an outer frame, which extends along the outer framework when the inspection hatch is closed, and is designed to support an inner closing panel.
  • Inspection hatches of the type described above have some drawbacks, mainly due to the fact that said inspection hatches have standard fixed dimensions.
  • a customized inspection hatch with dimensions that are different from the standard fixed ones involves a specific request to the manufacturers and, therefore, relatively high delivery times and production costs.
  • DE3523738A1 describes an inspection hatch according to the features of the preamble of claim 1.
  • number 1 indicates, as a whole, an inspection hatch comprising an outer framework 2, which has an annular, quadrilateral shape and is delimited by two sides 3, which are parallel to one another and to a direction 4, and by two sides 5, which are parallel to one another and to a direction 6 that is transverse to the direction 4.
  • the outer framework 2 is designed to be fixed to a support structure and comprises, in this specific case, four support section bars 7, each of which is L-shaped and is coupled in a sliding manner to each adjacent support section bar 7 by means of a relative coupling section bar 8 with a substantially flat shape, which is engaged inside the two support section bars 7.
  • Each coupling section bar 8 has, in the area of its free ends, two limit stop teeth 9, which project perpendicularly to the coupling section bar 8 and cooperate with relative limit stop clamps 10, which are mounted in the area of the free ends of the relative support section bars 7, so as to stop the relative support section bars 7 along the coupling section bar 8 in one of the directions 4, 6.
  • the inspection hatch 1 comprises, furthermore, an inner door 11, which is movable, relative to the outer framework 2, between an opening position ( figure 1 ) and a closing position ( figures 2 , 3 , 4 , 5 ) to open and close the inspection hatch 1.
  • the inner door 11 comprises an outer frame 12, which extends along the outer framework 2 when the inspection hatch 1 is closed, and is designed to support an inner closing panel (not shown).
  • the outer frame 12 has an annular, quadrilateral shape and is delimited by to sides 13, which are parallel to one another and to the direction 4, and by two sides 14, which are parallel to one another and to the direction 6.
  • the outer frame 12 is coupled in a rotary manner to the outer framework 2 by means of a pair of hinges 15, so as to rotate, relative to the outer framework 2, around a fulcrum axis 16, which is parallel to the direction 6, between its opening and closing position to open and close the inspection hatch 1.
  • the outer frame 12 is locked in its closing position, in which it closes the inspection hatch 1, by means of two known hooking devices 17, which are interposed between the outer framework 2 and the outer frame 12.
  • the outer frame 12 comprises, in this specific case, four support section bars 18, each of which is L-shaped and is coupled in a sliding manner to each adjacent support section bar 18 by means of a relative coupling section bar 19 with a substantially flat shape, which is engaged inside the two support section bars 18.
  • Each coupling section bar 19 has, in the area of its free ends, two limit stop teeth 20, which project perpendicularly to the coupling section bar 19 and cooperate with relative limit stop clamps 21, which are mounted in the area of the free ends of the relative support section bars 18, so as to stop the relative support section bars 18 along the coupling section bar 19 in one of the directions 4, 6.
  • the inspection hatch 1 comprises, furthermore, a plurality of clips 22 of plastic material, which are distributed along the outer framework 2 and the outer frame 12 and are designed to lock the support section bars 7, 18 relative to one another in one of the directions 4, 6 and in a direction 23 that is orthogonal to the directions 4, 6.
  • the clips 22 allow each support section bar 7, 18 to move relative to each adjacent support section bat 7, 18 exclusively in one of the directions 4, 6.
  • the hinges 15 and the hooking devices 17 allow the support section bars 7 and the support section bars 18 to be locked relative to one another in the directions 4, 6 and, therefore, allow users to move the support section bars 7, 18 in an integral manner in the directions 4, 6.
  • the support section bars 7, 18 are selectively movable between a closed position ( figures 2 and 3 ), in which each support section bar 7, 18 is arranged substantially in contact with each adjacent support section bar 7, 18, and an open position (not shown), in which each support section bar 7, 18 is arranged at a given distance from each adjacent support section bar 7, 18.
  • Figures 4 and 5 show an intermediate position, in which only the sides 3 and 13 were elongated.
  • the inspection hatch 1 comprises, furthermore, a plurality of closing section bars 24 (two of them are shown in figure 5 with a broken line), each of which is inserted between two adjacent support section bars 7, 18 when the support section bars 7, 18 are arranged in their open position, overlaps a relative coupling section bar 19, and has an outer face, which is equivalent to the one of the support section bars 7, 18.
  • Each closing section bar 24 is snap-hooked in a hooking channel 25 ( figure 4 ), which is obtained in the relative coupling section bar 19.
  • the four support section bars 7 are replaced by two support section bars that are substantially U-shaped and the four support section bars 18 are replaced by two support section bars that are substantially U-shaped, so as to selectively control the size of the inspection hatch 1 only in one of the directions 4, 6.
  • the configuration of the outer framework 2 and of the outer frame 12 allows user to obtain customized inspection hatches 1 with dimensions that are different from the standard fixed ones currently available in the market.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Patch Boards (AREA)
  • Wing Frames And Configurations (AREA)
  • Hinges (AREA)

Description

  • The present invention relates to an inspection hatch.
  • In particular, the present invention relates to an inspection hatch comprising an outer framework, which has an annular, quadrilateral shape and is delimited by two first sides, which are parallel to one another, and by two second sides, which are parallel to one another and perpendicular to the first sides; and an inner door, which is movable, relative to the outer framework, between an opening position and a closing position to open and close the inspection hatch, and comprises an outer frame, which extends along the outer framework when the inspection hatch is closed, and is designed to support an inner closing panel.
  • Inspection hatches of the type described above have some drawbacks, mainly due to the fact that said inspection hatches have standard fixed dimensions.
  • A customized inspection hatch with dimensions that are different from the standard fixed ones involves a specific request to the manufacturers and, therefore, relatively high delivery times and production costs. DE3523738A1 describes an inspection hatch according to the features of the preamble of claim 1.
  • It is an object of the present invention to provide an inspection hatch designed to eliminate the aforementioned drawbacks in a straightforward, relatively low-cost manner.
  • According to the present invention, there is provided an inspection hatch as claimed in the appended claims.
  • The invention will now be described with reference to the accompanying drawings, which show a non-limiting embodiment thereof, wherein:
    • figure 1 is a schematic perspective view, with parts removed for greater clarity, of a preferred embodiment of the inspection hatch according to the invention;
    • figures 2 and 3 are a schematic plan view and a schematic view from the bottom, with parts removed for greater clarity, of the inspection hatch of figure 1 shown in a first operating position; and
    • figures 4 and 5 are a schematic plan view and a schematic view from the bottom, with parts removed for greater clarity, of the inspection hatch of figure 1 shown in a second operating position.
  • With reference to the accompanying figures, number 1 indicates, as a whole, an inspection hatch comprising an outer framework 2, which has an annular, quadrilateral shape and is delimited by two sides 3, which are parallel to one another and to a direction 4, and by two sides 5, which are parallel to one another and to a direction 6 that is transverse to the direction 4.
  • The outer framework 2 is designed to be fixed to a support structure and comprises, in this specific case, four support section bars 7, each of which is L-shaped and is coupled in a sliding manner to each adjacent support section bar 7 by means of a relative coupling section bar 8 with a substantially flat shape, which is engaged inside the two support section bars 7.
  • Each coupling section bar 8 has, in the area of its free ends, two limit stop teeth 9, which project perpendicularly to the coupling section bar 8 and cooperate with relative limit stop clamps 10, which are mounted in the area of the free ends of the relative support section bars 7, so as to stop the relative support section bars 7 along the coupling section bar 8 in one of the directions 4, 6.
  • The inspection hatch 1 comprises, furthermore, an inner door 11, which is movable, relative to the outer framework 2, between an opening position (figure 1) and a closing position (figures 2, 3, 4, 5) to open and close the inspection hatch 1.
  • The inner door 11 comprises an outer frame 12, which extends along the outer framework 2 when the inspection hatch 1 is closed, and is designed to support an inner closing panel (not shown).
  • The outer frame 12 has an annular, quadrilateral shape and is delimited by to sides 13, which are parallel to one another and to the direction 4, and by two sides 14, which are parallel to one another and to the direction 6.
  • The outer frame 12 is coupled in a rotary manner to the outer framework 2 by means of a pair of hinges 15, so as to rotate, relative to the outer framework 2, around a fulcrum axis 16, which is parallel to the direction 6, between its opening and closing position to open and close the inspection hatch 1.
  • The outer frame 12 is locked in its closing position, in which it closes the inspection hatch 1, by means of two known hooking devices 17, which are interposed between the outer framework 2 and the outer frame 12.
  • The outer frame 12 comprises, in this specific case, four support section bars 18, each of which is L-shaped and is coupled in a sliding manner to each adjacent support section bar 18 by means of a relative coupling section bar 19 with a substantially flat shape, which is engaged inside the two support section bars 18.
  • Each coupling section bar 19 has, in the area of its free ends, two limit stop teeth 20, which project perpendicularly to the coupling section bar 19 and cooperate with relative limit stop clamps 21, which are mounted in the area of the free ends of the relative support section bars 18, so as to stop the relative support section bars 18 along the coupling section bar 19 in one of the directions 4, 6.
  • The inspection hatch 1 comprises, furthermore, a plurality of clips 22 of plastic material, which are distributed along the outer framework 2 and the outer frame 12 and are designed to lock the support section bars 7, 18 relative to one another in one of the directions 4, 6 and in a direction 23 that is orthogonal to the directions 4, 6.
  • In other words, the clips 22 allow each support section bar 7, 18 to move relative to each adjacent support section bat 7, 18 exclusively in one of the directions 4, 6.
  • The hinges 15 and the hooking devices 17 allow the support section bars 7 and the support section bars 18 to be locked relative to one another in the directions 4, 6 and, therefore, allow users to move the support section bars 7, 18 in an integral manner in the directions 4, 6.
  • Hence, the support section bars 7, 18 are selectively movable between a closed position (figures 2 and 3), in which each support section bar 7, 18 is arranged substantially in contact with each adjacent support section bar 7, 18, and an open position (not shown), in which each support section bar 7, 18 is arranged at a given distance from each adjacent support section bar 7, 18.
  • Figures 4 and 5 show an intermediate position, in which only the sides 3 and 13 were elongated.
  • The inspection hatch 1 comprises, furthermore, a plurality of closing section bars 24 (two of them are shown in figure 5 with a broken line), each of which is inserted between two adjacent support section bars 7, 18 when the support section bars 7, 18 are arranged in their open position, overlaps a relative coupling section bar 19, and has an outer face, which is equivalent to the one of the support section bars 7, 18.
  • Each closing section bar 24 is snap-hooked in a hooking channel 25 (figure 4), which is obtained in the relative coupling section bar 19.
  • After having obtained the desired dimensions of the inspection hatch 1:
    • the support section bars 7, 18 are locked in the directions 4, 6 by means of, for example, punching with the coupling section bars 19, self-perforating fixing means, or gluing; and
    • the aforesaid inner closing panel (not shown) is fitted in the outer frame 12 to complete the inspection hatch 1.
  • Obviously, even the inner closing panel (not shown) can be used to lock the support section bars 7, 18 in their open position.
  • According to a variant, which is not shown herein, the four support section bars 7 are replaced by two support section bars that are substantially U-shaped and the four support section bars 18 are replaced by two support section bars that are substantially U-shaped, so as to selectively control the size of the inspection hatch 1 only in one of the directions 4, 6.
  • The configuration of the outer framework 2 and of the outer frame 12 allows user to obtain customized inspection hatches 1 with dimensions that are different from the standard fixed ones currently available in the market.

Claims (10)

  1. An inspection hatch comprising an outer framework (2), which has an annular, quadrilateral shape and is delimited by two first sides (3), which are parallel to one another and to a first direction (4), and by two second sides (5), which are parallel to one another and to a second direction (6) that is transverse to the first direction (4); and an inner door (11), which is movable, relative to the outer framework (2), between an opening position and a closing position to open and close the inspection hatch, and comprises an outer frame (12), which extends along the outer framework (2) when the inspection hatch is closed, and is designed to support an inner closing panel; the outer framework (2) comprising at least two first support section bars (7), which are coupled to one another in a sliding manner, so as to selectively control the size of the outer framework (2) in at least one of said first and second directions (4, 6); the outer frame (12) comprising at least two second support section bars (18), which are coupled to one another in a sliding manner, so as to selectively control the size of the outer frame (12) in at least one of said first and second directions (4, 6); and wherein the inspection hatch further comprises a plurality of first coupling section bars (8), which are as many as the first support section bars (7) and are engaged in a sliding manner by the first support section bars (7), and characterized in that a plurality of second coupling section bars (19), which are as many as the second support section bars (18) and are engaged in a sliding manner by the second support section bars (18).
  2. An inspection hatch according to claim 1, wherein each first and second support section bar (7, 18) is substantially U-shaped.
  3. An inspection hatch according to claim 1, wherein the outer framework (2) comprises four first support section bars (7), which are coupled to one another in a sliding manner, so as to selectively control the size the outer framework (2) in said first and second directions (4, 6), and wherein the outer frame (12) comprises four second support section bars (18), which are coupled to one another in a sliding manner, so as to selectively control the size of the outer frame (12) in said first and second directions (4, 6).
  4. An inspection hatch according to claim 3, wherein each first and second support section bar (7, 18) is substantially L-shaped.
  5. An inspection hatch according to any of the previous claims and comprising, furthermore, first locking means (15, 17) to lock the outer frame (12) on the outer framework (2) in the first direction (4) and/or in the second direction (6) and to move said first and second support section bars (7, 18) in the first direction (4) and/or in the second direction (6) in an integral manner.
  6. An inspection hatch according to any of the previous claims and comprising, furthermore, second locking means (22) to lock each first support section bar (7) on the relative second support section bar (18) in one of said first and second directions (4, 6) and in a third direction (23), which is orthogonal to said first and second directions (4, 6).
  7. An inspection hatch according to any of the previous claims and comprising, furthermore, first limit stop means (9, 10) to stop the first support section bars (7) along the first coupling section bars (8) in the first direction (4) and/or in the second direction (6) and second limit stop means (20, 21) to stop the second support section bars (18) along the second coupling section bars (19) in the first direction (4) and/or in the second direction (6) .
  8. An inspection hatch according to any of the previous claims and comprising, furthermore, for each coupling section bar (8, 19), a respective closing section bar (24), which can be hooked to the coupling section bar (8, 19) between the corresponding support section bars (7, 18) .
  9. An inspection hatch according to any of the previous claims and comprising, furthermore, third locking means to permanently lock each support section bar (7, 18) along the relative coupling section bar (8, 19).
  10. An inspection hatch according to any of the previous claims, wherein the inner door (11) is coupled to the outer framework (2) in a rotary manner, so as to move between its opening and closing positions.
EP18156378.4A 2015-09-16 2016-09-16 Inspection hatch Active EP3342950B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A003678A ITUB20153678A1 (en) 2015-09-16 2015-09-16 INSPECTION WHEEL
EP16189357.3A EP3144440B1 (en) 2015-09-16 2016-09-16 Inspection hatch

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP16189357.3A Division EP3144440B1 (en) 2015-09-16 2016-09-16 Inspection hatch
EP16189357.3A Division-Into EP3144440B1 (en) 2015-09-16 2016-09-16 Inspection hatch

Publications (2)

Publication Number Publication Date
EP3342950A1 EP3342950A1 (en) 2018-07-04
EP3342950B1 true EP3342950B1 (en) 2020-01-22

Family

ID=54884246

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16189357.3A Active EP3144440B1 (en) 2015-09-16 2016-09-16 Inspection hatch
EP18156378.4A Active EP3342950B1 (en) 2015-09-16 2016-09-16 Inspection hatch

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16189357.3A Active EP3144440B1 (en) 2015-09-16 2016-09-16 Inspection hatch

Country Status (5)

Country Link
EP (2) EP3144440B1 (en)
ES (2) ES2800435T3 (en)
IT (1) ITUB20153678A1 (en)
PL (1) PL3144440T3 (en)
PT (1) PT3144440T (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523738A1 (en) * 1985-07-03 1987-01-08 Eckart Roth Frame for bordering a cutout and for surrounding a removable covering for this cutout
ATE206791T1 (en) * 1995-01-19 2001-10-15 Eckart Roth INSTALLATION FRAME, ESPECIALLY FOR INSPECTION OPENINGS IN A BUILDING WALL

Also Published As

Publication number Publication date
EP3342950A1 (en) 2018-07-04
EP3144440B1 (en) 2019-12-04
ES2789357T3 (en) 2020-10-26
ITUB20153678A1 (en) 2017-03-16
PL3144440T3 (en) 2020-06-01
PT3144440T (en) 2020-03-10
ES2800435T3 (en) 2020-12-30
EP3144440A1 (en) 2017-03-22

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