EP0991844A1 - Improved closure system - Google Patents

Improved closure system

Info

Publication number
EP0991844A1
EP0991844A1 EP97932275A EP97932275A EP0991844A1 EP 0991844 A1 EP0991844 A1 EP 0991844A1 EP 97932275 A EP97932275 A EP 97932275A EP 97932275 A EP97932275 A EP 97932275A EP 0991844 A1 EP0991844 A1 EP 0991844A1
Authority
EP
European Patent Office
Prior art keywords
closure
deployed
actuators
panels
bottom edges
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.)
Granted
Application number
EP97932275A
Other languages
German (de)
French (fr)
Other versions
EP0991844B1 (en
Inventor
Gregory H. Cook
Charles E. Cook
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0991844A1 publication Critical patent/EP0991844A1/en
Application granted granted Critical
Publication of EP0991844B1 publication Critical patent/EP0991844B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0646—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position
    • E06B9/0676—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the relative arrangement of the closing elements in the stored position stored in a stacked configuration
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/06—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type
    • E06B9/0607—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position
    • E06B9/0615—Shutters, movable grilles, or other safety closing devices, e.g. against burglary collapsible or foldable, e.g. of the bellows or lazy-tongs type comprising a plurality of similar rigid closing elements movable to a storage position characterised by the closing elements
    • E06B9/0638—Slats or panels

Definitions

  • This invention relates to doors, windows, and the like, of a kind comprising a number of elongated closure panels moveably interconnected, and more particularly
  • Closure systems having a plurality of closure panels are almost universally
  • the conventional closure system has a carrier track on either side of the
  • folding or roll-up doors have been utilized.
  • the prior art folding and roll-up doors suffer from a number of disadvantages, however, primarily being the complexity of the mechanism necessary to permit operation.
  • the present invention provides a plurality of closure panels adapted to be
  • closure panels in the stowed position have abutting inner and outer side surfaces
  • bottom edges maintain their top and bottom orientation.
  • Figure 1 is a perspective view of a closure system constructed in accordance
  • Figure 2A is a partially broken-away side view taken along lines 2A - 2A on Figure 1;
  • Figure 2B is a view similar to Figure 2A, with the closure system in the stowed position;
  • Figure 2C is a sectional view taken along lines 2C - 2C of Figure 2 A; and Figures 3A - 3E are enlarged views showing the sequence of the operation of the invention.
  • a closure system 10 is installed in a building
  • a perpendicular side wall 16 extends from side 12.
  • Closure system 10 includes a plurality of closure panels 17 adapted to be moved
  • Figure 1 illustrates the closure system in the
  • closure panels 17 span across the
  • closure 22 At the top of the building opening, is provided an enclosure 22 in which the closure panels 17 are stowed when in the stowed position. As can be seen, closure 22
  • FIG 1 illustrates closure system 10 in an environment where it is vertically
  • closure panels move from side-to-side with carrier tracks being located at
  • closure panels 17 may be solid for weather, sound and security proofing, such as for a garage door, or equivalently may be open grids for visibility and security, such as for a gate or store front.
  • Each closure panel 17 has an actuator
  • actuators 18 on each end. In the deployed position, actuators 18 have abutting top and bottom
  • the actuators 18 in the closure panel deployed position also have parallel side
  • closure panels 17 span across the building opemng.
  • actuators 18 have abutting inner and outer side surfaces 34 and parallel top edges 30
  • Top and bottom edges 30, 32 maintain their top and
  • invention is not an "accordion" type of folding door, where top and bottom positions
  • the present invention is a
  • Non-rigid security links 36 span in between actuators 18.
  • Security links 36 are best seen in Figures 3A - 3E.
  • the security links have lengths and attachment points 37 on the actuators adapted and arranged such that the security links 36 are
  • closure panels 17 transition between the deployed and stowed positions.
  • security links 36 are taut, with the possible exception of the bottommost security link
  • Figure 3E also illustrates the taut position of security links 36 in the stowed
  • Figures 3B, 3C and Figure 3D illustrate the transition of the closure panels
  • carrier track 20 As best shown in Figure 3 A - 3E, carrier track 20 splits into an
  • Carrier track 40 upper carrier track 40 and a lower carrier track 42 within enclosure 22.
  • attachment points 37 are reversed as the closure panels 17 transition between the deployed and stowed positions.
  • the top and bottom edges 30 and 32 are slightly angled from horizontal when the closure members are in the deployed position, while the side surfaces 34 are slightly angled from vertical when the closure members are in the stowed position.
  • Carrier rollers 38 on actuators 18 are adapted and arranged to
  • transition in the preferred embodiment, is enabled by a dimension "x" between the
  • Lift cable 44 and counterbalance cable 46 are both connected to each of the
  • the panel also swings the lower roller into position to catch the lower carrier track
  • an automatic reverser (not shown) will retrieve the panels. Should the reverser malfunction, the maximum weight to rest on the obstruction is the 20-25 lbs. preprogrammed into the counterbalance string. If no obstruction occurs each panel will pull out the following panel by use of the security links and guided into proper position by the lower side of carrier track.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Tents Or Canopies (AREA)
  • Joints Allowing Movement (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

A closure system (10) includes a plurality of closure panels (17) adapted to be moved between deployed and stowed positions. All on a pair of carrier tracks (20) on opposite sides (12, 14) of a building opening. The actuator (18) in the deployed position have abutting top and bottom edges (30, 32) and parallel side surface (34) that span across the building opening. The actuators (18) in the stowed position have abutting in inner and outer side surfaces (30, 32) in parallel top edges (30) and parallel bottom edges (32). The top and bottom edges (30, 32) maintain their top an d bottom orientation as their closure panels (17) transition between the deployed and stowed positions.

Description

TITLE: "IMPROVED CLOSURE SYSTEM"
FIELD OF THE INVENTION
This invention relates to doors, windows, and the like, of a kind comprising a number of elongated closure panels moveably interconnected, and more particularly
to a stowable closure system wherein the plurality of closure panels is stackable in a
stowed position. BACKGROUND OF THE INVENTION
Closure systems having a plurality of closure panels are almost universally
used as closures in such locations as home garages, as well as in commercial garages,
warehouses, and other installations where a closure is desired which stores out of the
way. The conventional closure system has a carrier track on either side of the
opening, and head room must be provided in the interior of the opening to
accommodate the door in the raised position. Where a conventional overhead door
and carrier track cannot be used, folding or roll-up doors have been utilized. The prior art folding and roll-up doors suffer from a number of disadvantages, however, primarily being the complexity of the mechanism necessary to permit operation. Thus, a need presently exists for a closure system that is economical and simple to produce, as well as effective in accomplishing the overall function of the door which is to completely close the opening in a deployed position and completely open the opening in a stowed position.
SUMMARY OF THE INVENTION
The present invention provides a plurality of closure panels adapted to be
moved between deployed and stowed positions along a pair of carrier tracks on either
side of a building opening. The closure panels in the deployed position have abutting
top and bottom edges and parallel side surfaces to span across the building opening.
The closure panels in the stowed position have abutting inner and outer side surfaces
and parallel top edges and parallel bottom edges. In the stowed position, the top and
bottom edges maintain their top and bottom orientation.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention in its advantages may be understood in more detail by reference
to the accompanying drawings, in which:
Figure 1 is a perspective view of a closure system constructed in accordance
with the present invention as installed in a building opening;
Figure 2A is a partially broken-away side view taken along lines 2A - 2A on Figure 1;
Figure 2B is a view similar to Figure 2A, with the closure system in the stowed position;
Figure 2C is a sectional view taken along lines 2C - 2C of Figure 2 A; and Figures 3A - 3E are enlarged views showing the sequence of the operation of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring initially to Figure 1 , a closure system 10 is installed in a building
opening having sides 12 and 14. A perpendicular side wall 16 extends from side 12.
Closure system 10 includes a plurality of closure panels 17 adapted to be moved
between deployed and stowed positions along a pair of carrier tracks 20 on opposite
sides 12, 14 of the building opening. Figure 1 illustrates the closure system in the
deployed position. In the deployed position, closure panels 17 span across the
opening. At the top of the building opening, is provided an enclosure 22 in which the closure panels 17 are stowed when in the stowed position. As can be seen, closure 22
is relatively compact compared to the overhead space normally required for a
conventional overhead door.
Figure 1 illustrates closure system 10 in an environment where it is vertically
oriented in the vertical opening. It will be understood that the closure system is not
limited to this environment, and that the system can be oriented horizontally, that is
where the closure panels move from side-to-side with carrier tracks being located at
the top and bottom of the building opening. It will be understood from this
description, and the claims that follow, that terms such as "top", "bottom", and "side"
refer only to the preferred embodiment, and that similar structure for a system in a horizontal configuration is the equivalent. In addition, closure panels 17 may be solid for weather, sound and security proofing, such as for a garage door, or equivalently may be open grids for visibility and security, such as for a gate or store front.
Reference is now made to Figures 2A - 3E, where like numerals indicate like and corresponding elements with Figure 1. Closure system 10 is shown in the
Figures 2A and 3 A in the deployed position. Each closure panel 17 has an actuator
18 on each end. In the deployed position, actuators 18 have abutting top and bottom
edges 30 and 32, which may be seen more clearly in the enlarged views 3A - 3E. For clarity purposes, reference numerals 30 and 32 appear only once on Figure 2 A.
Reference numerals 30 and 32 are applied in all appropriate instances in Figure 2B.
The actuators 18 in the closure panel deployed position also have parallel side
surfaces 34, such that closure panels 17 span across the building opemng. For similar
reasons as above, reference numeral 34 only appears once in Figure 2B, but in all
appropriate circumstances in Figure 2A.
In the closure panel stowed position, as best shown in Figure 3E, the
actuators 18 have abutting inner and outer side surfaces 34 and parallel top edges 30
and parallel bottom edges 32. Top and bottom edges 30, 32 maintain their top and
bottom orientation as shown in Figure 3E. Thus, the closure system of the present
invention is not an "accordion" type of folding door, where top and bottom positions
reverse their orientation on every other closure panel. The present invention is a
stacking type of closure system as opposed to a folding, "accordion" type of closure
system. As shown in Figure 3E, the bottommost actuator 18' need not be entirely moved to a position where the side surfaces 34 are abutting. The object of the invention is accomplished if substantially all of the actuators have abutting inner and outer side surface and parallel top and bottom edges, when in the stowed position. Non-rigid security links 36 span in between actuators 18. Security links 36 are best seen in Figures 3A - 3E. The security links have lengths and attachment points 37 on the actuators adapted and arranged such that the security links 36 are
taut when the closure panels 17 are in the deployed and stowed position but loose as
the closure panels 17 transition between the deployed and stowed positions. As
shown in Figure 2A, all security links are taut. This provides a closure for the
building opening that has no gaps and is suitably secure. Similarly, in Figure 2B
security links 36 are taut, with the possible exception of the bottommost security link
36' which optionally may be loose to permit faster deployment from the stowed
position. Figure 3E also illustrates the taut position of security links 36 in the stowed
position. Figures 3B, 3C and Figure 3D illustrate the transition of the closure panels
17 between the deployed and stowed position as well as the looseness of the security
links 36 as the closure panels 17 undergo such transition. The looseness of the
security links 36 during transition of the closure panels effectively decouples the
closure panels from each other and permits the carrier rollers 38 to smoothly travel in
carrier track 20. As best shown in Figure 3 A - 3E, carrier track 20 splits into an
upper carrier track 40 and a lower carrier track 42 within enclosure 22. Carrier track
20 below enclosure 22 is approximately twice as wide as the carrier rollers 38, as best
shown in Figure 2C, but close tolerance fitted to enhance weather tightness. As best shown in Figures 3 A - 3E, the vertical orientations of the security link
attachment points 37 are reversed as the closure panels 17 transition between the deployed and stowed positions. The top and bottom edges 30 and 32 are slightly angled from horizontal when the closure members are in the deployed position, while the side surfaces 34 are slightly angled from vertical when the closure members are in the stowed position. Carrier rollers 38 on actuators 18 are adapted and arranged to
engage the carrier tracks 20 such that the closure members tilt from vertical (Figure
2A) to a slightly tilted orientation (Figures 3 A - 3E) as the closure panels 17
transition between the deployed and stowed positions. The feature of tilting permits smooth separation of the closure members 17 as they transition from deployed and
stowed positions, and as shown in Figure 3 A for example, permits the disengagement
of a weather stripping lip and accompanying groove in the top and bottom edges of
the closure members 17.
As best shown in Figure 3 A, the tilting of the closure panels 17 during
transition, in the preferred embodiment, is enabled by a dimension "x" between the
initial points of curvature of the upper and lower carrier tracks 40, 42. Dimension "x"
is smaller than a dimension "y" defined by the vertical spacing between carrier rollers
38 on the actuators 18.
Lift cable 44 and counterbalance cable 46 are both connected to each of the
bottommost actuators 18'. Cables 44, 46 pass over idler pulleys 48 at the upper
forward corners of enclosure 22. Lift cable 44 then passes over idler pulley 50 into a motorized winder 52. Counterbalance cable 46 passes directly into a spring-loaded winder 54, which is connected to a counterbalance spring (not shown). The
counterbalance spring in the preferred embodiment provides a preload sufficient to
carry the weight of the door.
In operation, when opening the system the bottommost panel 17 is lifted by cables 44, 46. Cable 46 is connected to the counterbalance spring which is designed to keep a programmed weight on the bottom edge at all times (approx. 20-25 lbs.). The lift cable 44 is attached to the motorized winder 54, a power lifting device. The
double cable arrangement gives a fail safe design.
As the closure system is raised, the top carrier roller 38 on each actuator 18
contacts the arc of the upper carrier track, which causes the panel to tilt. This causes
the joint between top and bottom edges 30,32 to open up, scissor- like, creating an
angle between the edges which, combined with the slight diagonal cut of the joint,
allows the panel to be pushed into the storage area of enclosure 22. The tipping of
the panel also swings the lower roller into position to catch the lower carrier track,
and as the panel is pushed in, the next lower panel goes past and repeats the
procedure until all panels are properly stored.
As the closure system is lowered, the bottommost, first panel out of storage is
not in the upper and lower carrier tracks but is suspended on the cables in the up
position. As the lift cable 44 is reversed, the preprogrammed weight permitted by the
counterbalance spring causes the panel to lower by gravity with the speed governed
by feed of the lift cable. If the panel strikes any obstruction causing the lift cable to
slacken, an automatic reverser (not shown) will retrieve the panels. Should the reverser malfunction, the maximum weight to rest on the obstruction is the 20-25 lbs. preprogrammed into the counterbalance string. If no obstruction occurs each panel will pull out the following panel by use of the security links and guided into proper position by the lower side of carrier track.
With all of the system panels enclosed in a storage enclosure 22, the use of
dual cables 44,46, and the avoidance of a traditional closer pushing the door system
down, this is the safest closure system available. If the counterbalance spring breaks,
it is contained within the enclosure 22, and the lift cable 44 will safely lower the
panels. On traditional systems, if a spring breaks, the broken piece will many times ricochet around the room like a bullet.
Whereas, the present invention has been described with the respect to a
specific embodiment thereof, it will be understood that various changes and
modifications will be suggested to one skilled in the art, and it is intended to
encompass such changes and modifications as fall within the scope of the appended
claims.

Claims

We Claim:
1. A closure system, comprising: a plurality of closure panels adapted to be moved between deployed and
stowed positions along a pair of carrier tracks on opposite sides of a building
opening, each closure panel having two opposite ends and an actuator on each end;
the actuators in the closure panel deployed position having abutting top and
bottom edges and parallel side surfaces, such that the closure panels space across the
building opening;
the actuators in the closure panel stowed position having abutting inner and
outer side surfaces and parallel top edges and parallel bottom edges, with top and
bottom edges maintaining their top and bottom orientation; and
with non-rigid security links spanning between adjacent actuators, the
security links having lengths and attachment points on the actuators adapted and
arranged such that the security links are taut when the closure panels are in the
deployed and stowed positions but loose as the closure panels transition between the
deployed and stowed positions.
2. The closure system of Claim 1 with vertical orientations of the attachment
points being reversed as the closure panels transition between the deployed and
stowed positions.
3. The closure system of Claim 1 with the top and bottom edges being slightly
angled from horizontal when the closure members are in the deployed position.
4. The closure system of Claim 1 with the side surfaces being slightly angled
from vertical when the closure members are in the stowed position.
5. The closure system of Claim 1 with carrier rollerss on ends of the closure
members being adapted and arranged to engage the carrier tracks such that the
closure members tilt from vertical to a slightly tilted orientation as the closure panels
transition between the deployed and stowed positions.
6. The closure system of Claim 5 with a dimension "x" between transition
points on the carrier tracks being smaller than a dimension "y" between the carrier
rollers.
7. A closure system, comprising:
a plurality of closure panels adapted to be moved between deployed and
stowed positions along a pair of carrier tracks on opposite sides of a building
opening; each closure panel having two opposite ends and an actuator on each end;
the actuators in the deployed position having abutting top and bottom edges
and parallel side surfaces such that closure panels span across the building opening;
the actuators in the closure panel stowed position having abutting inner and outer side surfaces and parallel top edges and parallel bottom edges, with the top and
bottom edges maintaining their top and bottom orientation;
with non-rigid security links spanning between adjacent actuators, the security links having lengths and attachment points on the actuators adapted and
arranged such that the security links are taut when the closure panels are in the
deployed and stowed positions but loose as the closure panels transition between the
deployed and stowed positions;
with vertical orientations of the attachment points being reversed as the
closure panels transition between the deployed and stowed positions;
with the top and bottom edges being slightly angled from horizontal when the
closure members are in the deployed position;
with the side surfaces being slightly angled from vertical when the closure
members are in the stowed position;
with carrier rollers on ends of the closure members being adapted and
arranged to engage the carrier tracks such that the closure members tilt from vertical
to a slightly tilted orientation as the closure panels transition between the deployed
and stowed positions; and
with a dimension "x" between transition points on the tracks being smaller
than a dimension "y" between the carrier rollers.
EP97932275A 1997-06-25 1997-06-25 Improved closure system Expired - Lifetime EP0991844B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1997/011012 WO1998059144A1 (en) 1997-06-25 1997-06-25 Improved closure system

Publications (2)

Publication Number Publication Date
EP0991844A1 true EP0991844A1 (en) 2000-04-12
EP0991844B1 EP0991844B1 (en) 2002-08-21

Family

ID=22261150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97932275A Expired - Lifetime EP0991844B1 (en) 1997-06-25 1997-06-25 Improved closure system

Country Status (6)

Country Link
EP (1) EP0991844B1 (en)
JP (1) JP3362736B2 (en)
AT (1) ATE222637T1 (en)
AU (1) AU3577397A (en)
DE (1) DE69714865T2 (en)
WO (1) WO1998059144A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1234946A3 (en) * 2001-02-23 2003-08-20 Otto Volz Sectional door
DE10329798B4 (en) * 2003-07-01 2009-04-09 Guido Langenbach sectional
JP4699318B2 (en) * 2006-09-12 2011-06-08 スガツネ工業株式会社 Shutter device and hardware for shutter device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1303251A (en) * 1961-09-27 1962-09-07 Roller blind folding up
FR2486583A1 (en) * 1980-07-11 1982-01-15 Souchier Georges Folding sun blind for window - uses top two strips on opening to define casing for other strips

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9859144A1 *

Also Published As

Publication number Publication date
DE69714865T2 (en) 2003-05-08
JP2000515598A (en) 2000-11-21
DE69714865D1 (en) 2002-09-26
JP3362736B2 (en) 2003-01-07
EP0991844B1 (en) 2002-08-21
WO1998059144A1 (en) 1998-12-30
AU3577397A (en) 1999-01-04
ATE222637T1 (en) 2002-09-15

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