CA1195555A - Escape/rescue system - Google Patents
Escape/rescue systemInfo
- Publication number
- CA1195555A CA1195555A CA000419098A CA419098A CA1195555A CA 1195555 A CA1195555 A CA 1195555A CA 000419098 A CA000419098 A CA 000419098A CA 419098 A CA419098 A CA 419098A CA 1195555 A CA1195555 A CA 1195555A
- Authority
- CA
- Canada
- Prior art keywords
- exit
- members
- person
- system defined
- contact points
- 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.)
- Expired
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Abstract
ESCAPE/RESCUE SYSTEM
Abstract An emergency evacuation path marking system employing a series of devices, each device having the tactile characteris-tics of shape and surface contacts, in combination, to indi-cate direction and distance to the nearest evacuation exit;
the shape providing direction information and the surface con-tacts providing distance information. The devices also be-ing capable of luminescence to aid in visual as well as tac-tile reference.
Abstract An emergency evacuation path marking system employing a series of devices, each device having the tactile characteris-tics of shape and surface contacts, in combination, to indi-cate direction and distance to the nearest evacuation exit;
the shape providing direction information and the surface con-tacts providing distance information. The devices also be-ing capable of luminescence to aid in visual as well as tac-tile reference.
Description
Description ESCAPE/RESCUE SYSTEM
Background of the Invention This invention relates to an emergency evacuation guide 5 svstem defining a tactile path serving to direct occupants of inhabited structures toward emergency exits when the interior of the structure is dark or sm~ke-filled to the point that occupants must rely on their sense of touch.
In the past, SUCll emergency routes were marked with semi-continuous railings similar to that of U.S. Patent 259,544 or with continuous, shaped strips of material as in U.S. Patent 3,408,025. In the prior art the guidance system presented a surface that was rough to the touch as a person's fingers moved along the guide in a direction away from the es-cape area while movement toward the escape area presented thefeeling of a smooth surface. No method or device has previous-ly been devised which would impart tactually information re-garding both direction and distance to the escape exit. The present invention seeXs to fill this void.
Summary of the Invention It is the object of this invention to provide a means for marking an evacuation route through a hotel!motel or the like which may ~ecome dark, smoke filled, or otherwise undis-cernible as to the nearest exit during such emergencies as fire or storm. In cases of sudden alarm, or in the event of smoke-producing emergencies, confusion and loss of direction are common. This invention is designed to provide an indica-tion of direction and distance to the evacuation exit; direc-tion and distance being provided without requirement for sight ~
on the part of a person seeking such exit.
r~;
Background of the Invention This invention relates to an emergency evacuation guide 5 svstem defining a tactile path serving to direct occupants of inhabited structures toward emergency exits when the interior of the structure is dark or sm~ke-filled to the point that occupants must rely on their sense of touch.
In the past, SUCll emergency routes were marked with semi-continuous railings similar to that of U.S. Patent 259,544 or with continuous, shaped strips of material as in U.S. Patent 3,408,025. In the prior art the guidance system presented a surface that was rough to the touch as a person's fingers moved along the guide in a direction away from the es-cape area while movement toward the escape area presented thefeeling of a smooth surface. No method or device has previous-ly been devised which would impart tactually information re-garding both direction and distance to the escape exit. The present invention seeXs to fill this void.
Summary of the Invention It is the object of this invention to provide a means for marking an evacuation route through a hotel!motel or the like which may ~ecome dark, smoke filled, or otherwise undis-cernible as to the nearest exit during such emergencies as fire or storm. In cases of sudden alarm, or in the event of smoke-producing emergencies, confusion and loss of direction are common. This invention is designed to provide an indica-tion of direction and distance to the evacuation exit; direc-tion and distance being provided without requirement for sight ~
on the part of a person seeking such exit.
r~;
-2--The invention comprises a series of individual devices, shaped generally in the form of an arrowhead with the small, generally pointed, end indicating the proper direction to pro-ceed to the nearest evacuation exit. On the surface of each 5 device is an ordered number of contacts, such number relating to the relative distance to the exit. The combination of shape and surface contacts, on devices being arranged in a row at an appropriate height above the floor, pr~sents escape information which may be transmitted by the sense of touch -to anyone walking, crawling or proceeding in a wheelchair. A
person moving along a darkened hallway can feel the arrow shape and count the contacts by touch and know he is going in the right direction and has, say, three more doors to the exit.
Brief Description of the Drawings Fig. 1 provides a perspective view of a system of de-vices in the preferred arrangement on a hotel/motel corridor wall;
Figs. 2 and 3 provide a partial view of two successive doors in a hotel/motel hallway with the novel devices placed to provide distance and direction information to a person in the hallway;
Figs. 4 and 5 provide a top and end view, respectively, of the preferred device;
Figs. 6 and 7 provide a top and end view, respectively, of an alternate arrangement of tactile contacts on the novel device;
Fig. 8 is a frontal view of my novel device incorporat-ing an illumination feature;
Fig~ 9 is a cross-sectional view taken on the line 9-9 of Fiy. 8; and Fig. 10 is a cross-sectional view taken on the line 10~10 of Fig. 8.
Descr~ on of Preferre _Embodiments A preferred system for use of the invention is shown in Figs. 1 through 5. Device 20, Fig. 4, used in the manner of i5~i sil-nilar devices shown in Figs. 1 through 3, provides both di-rection and distance information to a person seeking a route to exit a hotel or motel corridor or hallwav. ~he devices 20 are arranged in horizontal rows on the wall 30 at a height E
5 convenient to a person walking or a height F convenient to a person crawling in the corridor. The general shape of the device indicates direction, the smaller end 21 pointing in the direction of the exit, while the surface of the device pro-vides a tactile reference to distance as will be explained.
Device 20, Figs. 4 and 5, is generally arrow-shaped, with longitudinal dimension G greater than lateral dimension H, both G and H being substantially greater than thickness J.
A device constructed according to this embodiment will provide two major surfaces, the back 22 and the front 24. Back 22 is flat, to be in fixed contact with a similar flat surface, such as a wall, when the device is in place for its intended us~.
The front 24 is beveled or smoothly curved to eliminate sharp or protruding edges and may be provided with a contact point 26 of sufficient projection to be a tactile prominence. The device of Fig. 4, for purposes of illustration, shows three such contact points 26 in the form of protrusions. In Fig. 6, instead of protrusions, the contact points are depressions 27, three such being shown. They are disposed in a row above the centerline of the device. In Fig. 7 the protrusion 29 is above the centerline of the device. Whether protrusions 26 or 29 or depressions 27 are used, individual tactile contact points are positioned to be touched by a person running their hand along the wall 30. The number of such contact points depends on the distance of the device from the exit, as herein-after explained. Device 20 is to be fixedly attached to wall30 by any suitable means intended to be permanent; Fig. 4 shows the attachment to be by screw means 28. Although the attachrnent is shown by means of screws, other forms and means of attachment may occur to those skilled in the art.
Referring to Figs. 1 through 3, a system for using de-vice 20 i5 shown. A plurality of such devices constructed as described above are placed on corridor wall 30 in vertically _9_ spaced horizontal rows above floor 32, at heights convenient to the to~ch of a person walking or crawling, as previously de-scribed, with the devices pointing in the direction of the exit door shown in Fig. 1. Such devices will direct a person to proceed from the observer's right to left. The devices 31 on the left side of door A and devices 33 on the left side of door B at about the height of the door Xnob in Figs. 2 and 3 also indicate the direction from right to left, and in addi-tion by their number indicate the number of doors to the exit.
Thus there are two devices 31 adjacent door A indicating there are two doors to the exit, while there are three devices 33 indicating three doors to the exit. In addition, each of the devices 20, 31 and 33 indicates the number of doors to the exit by the nurnber of contact points 26, 27 or 29 on each de-vice. Note that each device 20 and 31 between doors A and B,Fig. 1, has two contact points 26, indicating the exit to be two doors from that area of the corridor. A person proceeding in the direction from door B toward the e~it, after passing door A, will find the devices now available to the touch have only one contact point, indicating one more door to the exit.
The reduction in number of contact points on devices, as doors are passed, gives assurance that the person is proceeding to-ward the exit.
Devices 31 and 33 arranged in vertical arrays are placed on one side of each door, which side of the door is signifi-cant in that the exit is in that direction. As mentioned be-fore, the number of devices in each such array indicates the number of doors to the exit. The reduction in number of de-vices in each array, as doors are passed, again assures the person that the exit is being approached.
A person who has proceeded from the right or left on floor 32, and arrived in front of the exit door, Fig. 1, b~
touchingly perceiving direction and distance from the devices as described above, now has several indications available to confirm that such doorway is the exit. A tactile search of either side of the doorway will discover no array of devices, thus giving no indication of direction or further distance by an array meclns. ~owever, a touching investigation of devices on both sides of the doorway will disclose that the direction-indicating shapes point toward each other, i.e., toward the exit; each device has only one contact point, i.e., one door 5 to exit. In this manner the person can be assur~d they are at the exit.
Device 20, heretofore described, is for the purpose of providing a tactile means to guide a person along an emergency route within a structure when visual means is not available.
10 Figs. 8 through 10 depict this novel tactile device in combina-tion with a means by which visual acuity may also be employed.
Although a device might be of luminous material itself, device 42, Fig. 8 is constructed of a translucent, plastic-like mate-rial in the general arrow shape of basic device 20. The longi-tudinal and lateral dimensions of device 42 are of the same re-lative relationship as those of basic device 20, however, thickness K, FigO 10, is greater than thicXness J, Fig. 5, to accommodate a lighting rneans as will be described. Device 42 is mounted on wall 30 by screw means 28 and mounting strip 44.
Referring to Figs. 8 through 10 in detail disclGses that contact points 47 reside on tab 46, said tab being formed by a
person moving along a darkened hallway can feel the arrow shape and count the contacts by touch and know he is going in the right direction and has, say, three more doors to the exit.
Brief Description of the Drawings Fig. 1 provides a perspective view of a system of de-vices in the preferred arrangement on a hotel/motel corridor wall;
Figs. 2 and 3 provide a partial view of two successive doors in a hotel/motel hallway with the novel devices placed to provide distance and direction information to a person in the hallway;
Figs. 4 and 5 provide a top and end view, respectively, of the preferred device;
Figs. 6 and 7 provide a top and end view, respectively, of an alternate arrangement of tactile contacts on the novel device;
Fig. 8 is a frontal view of my novel device incorporat-ing an illumination feature;
Fig~ 9 is a cross-sectional view taken on the line 9-9 of Fiy. 8; and Fig. 10 is a cross-sectional view taken on the line 10~10 of Fig. 8.
Descr~ on of Preferre _Embodiments A preferred system for use of the invention is shown in Figs. 1 through 5. Device 20, Fig. 4, used in the manner of i5~i sil-nilar devices shown in Figs. 1 through 3, provides both di-rection and distance information to a person seeking a route to exit a hotel or motel corridor or hallwav. ~he devices 20 are arranged in horizontal rows on the wall 30 at a height E
5 convenient to a person walking or a height F convenient to a person crawling in the corridor. The general shape of the device indicates direction, the smaller end 21 pointing in the direction of the exit, while the surface of the device pro-vides a tactile reference to distance as will be explained.
Device 20, Figs. 4 and 5, is generally arrow-shaped, with longitudinal dimension G greater than lateral dimension H, both G and H being substantially greater than thickness J.
A device constructed according to this embodiment will provide two major surfaces, the back 22 and the front 24. Back 22 is flat, to be in fixed contact with a similar flat surface, such as a wall, when the device is in place for its intended us~.
The front 24 is beveled or smoothly curved to eliminate sharp or protruding edges and may be provided with a contact point 26 of sufficient projection to be a tactile prominence. The device of Fig. 4, for purposes of illustration, shows three such contact points 26 in the form of protrusions. In Fig. 6, instead of protrusions, the contact points are depressions 27, three such being shown. They are disposed in a row above the centerline of the device. In Fig. 7 the protrusion 29 is above the centerline of the device. Whether protrusions 26 or 29 or depressions 27 are used, individual tactile contact points are positioned to be touched by a person running their hand along the wall 30. The number of such contact points depends on the distance of the device from the exit, as herein-after explained. Device 20 is to be fixedly attached to wall30 by any suitable means intended to be permanent; Fig. 4 shows the attachment to be by screw means 28. Although the attachrnent is shown by means of screws, other forms and means of attachment may occur to those skilled in the art.
Referring to Figs. 1 through 3, a system for using de-vice 20 i5 shown. A plurality of such devices constructed as described above are placed on corridor wall 30 in vertically _9_ spaced horizontal rows above floor 32, at heights convenient to the to~ch of a person walking or crawling, as previously de-scribed, with the devices pointing in the direction of the exit door shown in Fig. 1. Such devices will direct a person to proceed from the observer's right to left. The devices 31 on the left side of door A and devices 33 on the left side of door B at about the height of the door Xnob in Figs. 2 and 3 also indicate the direction from right to left, and in addi-tion by their number indicate the number of doors to the exit.
Thus there are two devices 31 adjacent door A indicating there are two doors to the exit, while there are three devices 33 indicating three doors to the exit. In addition, each of the devices 20, 31 and 33 indicates the number of doors to the exit by the nurnber of contact points 26, 27 or 29 on each de-vice. Note that each device 20 and 31 between doors A and B,Fig. 1, has two contact points 26, indicating the exit to be two doors from that area of the corridor. A person proceeding in the direction from door B toward the e~it, after passing door A, will find the devices now available to the touch have only one contact point, indicating one more door to the exit.
The reduction in number of contact points on devices, as doors are passed, gives assurance that the person is proceeding to-ward the exit.
Devices 31 and 33 arranged in vertical arrays are placed on one side of each door, which side of the door is signifi-cant in that the exit is in that direction. As mentioned be-fore, the number of devices in each such array indicates the number of doors to the exit. The reduction in number of de-vices in each array, as doors are passed, again assures the person that the exit is being approached.
A person who has proceeded from the right or left on floor 32, and arrived in front of the exit door, Fig. 1, b~
touchingly perceiving direction and distance from the devices as described above, now has several indications available to confirm that such doorway is the exit. A tactile search of either side of the doorway will discover no array of devices, thus giving no indication of direction or further distance by an array meclns. ~owever, a touching investigation of devices on both sides of the doorway will disclose that the direction-indicating shapes point toward each other, i.e., toward the exit; each device has only one contact point, i.e., one door 5 to exit. In this manner the person can be assur~d they are at the exit.
Device 20, heretofore described, is for the purpose of providing a tactile means to guide a person along an emergency route within a structure when visual means is not available.
10 Figs. 8 through 10 depict this novel tactile device in combina-tion with a means by which visual acuity may also be employed.
Although a device might be of luminous material itself, device 42, Fig. 8 is constructed of a translucent, plastic-like mate-rial in the general arrow shape of basic device 20. The longi-tudinal and lateral dimensions of device 42 are of the same re-lative relationship as those of basic device 20, however, thickness K, FigO 10, is greater than thicXness J, Fig. 5, to accommodate a lighting rneans as will be described. Device 42 is mounted on wall 30 by screw means 28 and mounting strip 44.
Referring to Figs. 8 through 10 in detail disclGses that contact points 47 reside on tab 46, said tab being formed by a
3-sided cut 48 through the portion of device 42 which overlies a hollow area or cavity 50 within device 42. Cavity 50 is such that the general thickness L of tab 46 is less than the thickness M taken through said tab at a contact 47. The signi-ficance of the difference between thicknesses L and M will be explained.
Device 42 contains a spring-like metal member 52 fixedly attached to device 42 at 54 and extending longitudinally with-in cavity 50. Mounting strip 44 includes an electrical cir-cuit consisting of wire 56, bulb 58 in socket 60, said socket having contact: point 62, and a source of el~ctrical power ~not shown). The portion of tab 46 between ends 66 of cut 48 (Fig.
8), acts as a spring because of the resiliency of the material used in construction of device 42; the importance of this spring action will be dlscussed.
~55~i~
Device 42, Fig. 8, has all the capabilities for use in an escape system as described for device 20, Fig. 4. However, if the emergency presents only darkness as an obstruction to vision, a systeJn employing device 42 instead of d~vice 20 will 5 give another advantage to a person proceeding along floor 32 (Fig. 1). Specific reference to Fig. 10 shows that a person proceeding as above described, and using tactile means to receive the infonnation available from the shape, surface contacts, and device placeJnents previously mentioned, need only press each device 42 in the vicinity of area 6~ on tab 46 to receive a visual aid. Finger pressure on tab 46 in the general area of 68 will cause said tab to depress. Depression of t~b 46 will force metal spring 52 to contact electrical wire 56 at point 64 and socket contact point 62. When spring 5~ contacts wire 56 and socket contact 62 as described, the electrical circuit is completed. Electricity flowing through the completed circuit causes bulb 58 to light and, because of the translucence of device 42, the device will appear to glow~
The glowing effect caused by the lighting of bulb 58 as described, provides visual confirmation of information pre-viously gained by tactile means. Device 42 i9 one piece, Fig.
8, translucent rnaterial which allows passage of some light from bulb 58. Light passing through device 42 provides a view of the general arrow shape of said device and the shape thus imparts direction information to the viewer. The degree of translucence of the material is a function of the material thickness - thicker material passing less light. Hollow 50 of device 42, Fig. 10, is covered by tab 46 which has a general thickness L. A contact point, in this case protuberance 47, creates a different thickness M, and said protube~ance will pass less light than the rest of tab 46. If the contact point were a concavity of tactile prominence, it would pa~s more light than tab 46. In either case, contact points of concavi-ty or convexness will pass more or less light than does the surrounding tab. The shading effect, caused by light passing through the designed thicXness variations between tab and con--tact point, provides a visual distinction that allows a person to see the contacts and, thus, gain information about distance to the exit. Release of finger pressure from area 68 will al-5 low the resiliency of device 42, at point 66, to ~ove tab 46away from the electrical circuit. ~ovement of tab 46 fr~m the electrical circuit will remove metal spring 52 from contact with wire 56 and bulb socket contact 62, thus opening the cir-cuit and extinguishing bulb 58. In the above manner of using 10 device 42, Fig. 8, a person seeking the exit from a hotel/mo-tel corridor can move from door B to the exit, Fig. 1, by tac-tile reference only or by a combination of tactile and visual means .
Device 42 contains a spring-like metal member 52 fixedly attached to device 42 at 54 and extending longitudinally with-in cavity 50. Mounting strip 44 includes an electrical cir-cuit consisting of wire 56, bulb 58 in socket 60, said socket having contact: point 62, and a source of el~ctrical power ~not shown). The portion of tab 46 between ends 66 of cut 48 (Fig.
8), acts as a spring because of the resiliency of the material used in construction of device 42; the importance of this spring action will be dlscussed.
~55~i~
Device 42, Fig. 8, has all the capabilities for use in an escape system as described for device 20, Fig. 4. However, if the emergency presents only darkness as an obstruction to vision, a systeJn employing device 42 instead of d~vice 20 will 5 give another advantage to a person proceeding along floor 32 (Fig. 1). Specific reference to Fig. 10 shows that a person proceeding as above described, and using tactile means to receive the infonnation available from the shape, surface contacts, and device placeJnents previously mentioned, need only press each device 42 in the vicinity of area 6~ on tab 46 to receive a visual aid. Finger pressure on tab 46 in the general area of 68 will cause said tab to depress. Depression of t~b 46 will force metal spring 52 to contact electrical wire 56 at point 64 and socket contact point 62. When spring 5~ contacts wire 56 and socket contact 62 as described, the electrical circuit is completed. Electricity flowing through the completed circuit causes bulb 58 to light and, because of the translucence of device 42, the device will appear to glow~
The glowing effect caused by the lighting of bulb 58 as described, provides visual confirmation of information pre-viously gained by tactile means. Device 42 i9 one piece, Fig.
8, translucent rnaterial which allows passage of some light from bulb 58. Light passing through device 42 provides a view of the general arrow shape of said device and the shape thus imparts direction information to the viewer. The degree of translucence of the material is a function of the material thickness - thicker material passing less light. Hollow 50 of device 42, Fig. 10, is covered by tab 46 which has a general thickness L. A contact point, in this case protuberance 47, creates a different thickness M, and said protube~ance will pass less light than the rest of tab 46. If the contact point were a concavity of tactile prominence, it would pa~s more light than tab 46. In either case, contact points of concavi-ty or convexness will pass more or less light than does the surrounding tab. The shading effect, caused by light passing through the designed thicXness variations between tab and con--tact point, provides a visual distinction that allows a person to see the contacts and, thus, gain information about distance to the exit. Release of finger pressure from area 68 will al-5 low the resiliency of device 42, at point 66, to ~ove tab 46away from the electrical circuit. ~ovement of tab 46 fr~m the electrical circuit will remove metal spring 52 from contact with wire 56 and bulb socket contact 62, thus opening the cir-cuit and extinguishing bulb 58. In the above manner of using 10 device 42, Fig. 8, a person seeking the exit from a hotel/mo-tel corridor can move from door B to the exit, Fig. 1, by tac-tile reference only or by a combination of tactile and visual means .
Claims (8)
1. A system for tactually indicating both the direction of an escape route and the distance to an exit thereof for use in a building structure having a floor and wall along which a person will move in following the escape route, comprising, in combination:
a plurality of arrow-shaped members secured to the wall at determined spaced apart locations along the es-cape route in a position to be touched by the hand of a person moving along the floor adjacent the wall, said members being arranged with the smaller end pointing in the direction of the exit of the escape route and said members being spaced apart along such route; and each member having on an exposed surface, to be readi-ly touched and counted by a person moving along the es-cape route, an ordered number of contact points wherein the number is related to the distance to such exit from each such member, whereby a person moving along the floor may tactually determine the direction to the exit and the distance at each such member.
a plurality of arrow-shaped members secured to the wall at determined spaced apart locations along the es-cape route in a position to be touched by the hand of a person moving along the floor adjacent the wall, said members being arranged with the smaller end pointing in the direction of the exit of the escape route and said members being spaced apart along such route; and each member having on an exposed surface, to be readi-ly touched and counted by a person moving along the es-cape route, an ordered number of contact points wherein the number is related to the distance to such exit from each such member, whereby a person moving along the floor may tactually determine the direction to the exit and the distance at each such member.
2. The system defined in claim 1 wherein said members are arranged in a pair of horizontally extending vertically spaced apart rows at heights above the floor within the reach of a person walking or crawling.
3. The system defined in claim 2 wherein the arrangement of said members includes an array of devices at one side of a door, said array being on that side of the door in the direction of the exit and in such numbers to indicate the number of doors to the exit.
4. The system defined in claim 1 wherein the contact points are discrete protuberances discernible by touch.
5. The system defined by claim 1 wherein the contact points are discrete depressions.
6. The invention defined by claim 1 wherein the number of contact points on each member is related to the number of doors from such member to the exit.
7. The system defined by claim 1 wherein means are provided for rendering said members luminous.
8. The system defined by claim 7 wherein the luminosity is provided by means responsive to human touch for causing said members to be illuminated from an electrical source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000419098A CA1195555A (en) | 1983-01-07 | 1983-01-07 | Escape/rescue system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000419098A CA1195555A (en) | 1983-01-07 | 1983-01-07 | Escape/rescue system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1195555A true CA1195555A (en) | 1985-10-22 |
Family
ID=4124283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000419098A Expired CA1195555A (en) | 1983-01-07 | 1983-01-07 | Escape/rescue system |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1195555A (en) |
-
1983
- 1983-01-07 CA CA000419098A patent/CA1195555A/en not_active Expired
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