機電外文文獻翻譯--車輛停止設備【中文5860字】【中英文WORD】
機電外文文獻翻譯--車輛停止設備【中文5860字】【中英文WORD】,中文5860字,中英文WORD,機電,外文,文獻,翻譯,車輛,停止,設備,中文,5860,中英文,WORD
譯文標題
車輛停止設備
原文標題
Vehicle stopping device
作 者
喬帥
譯 名
qiaoshuai
國 籍
中國
原文出處
由美國商業(yè)專利數(shù)據(jù)庫 (IFI CLAIMS Patent Services) 提供數(shù)據(jù)支持
譯文：
相關應用程序
目前的實用專利申請是基于美國臨時專利申請爵士。60/103,872號申請10月13日,1998年,名為“車輛停車設備”。
技術領域
本發(fā)明涉及執(zhí)法設備。特別的是,本發(fā)明涉及非致命設備受雇于警察機構在巷道追求安全,幾乎立即停止逃離車輛。
背景的藝術
也許是眾所周知的,最近幾個臭名昭著的追逐逃跑的車輛的司機拒絕停止或試圖逃脫警察。一些最著名的追逐武裝和危險的罪犯幾乎一無所有的使用他們的車通過典型事故警方路障,這經(jīng)常會導致身體傷害和財產(chǎn)損失。
經(jīng)典警察路障的警車停在道路導致堵塞的交通,從而經(jīng)常會造成交通擁堵的公民司機在障礙必須被允許警車經(jīng)過運動或身體上的傷害風險在任何后續(xù)對峙的警察和司機逃離車輛。換句話說,經(jīng)典的警察路障是無選擇性的,造成擁堵,經(jīng)常導致更多的傷害比他們的價值。
因此,現(xiàn)有技術揭示了試圖取代經(jīng)典警方路障的選擇性和安全意味著停止逃離車輛通過刺穿輪胎。今天使用的首選設備稱為地帶,有好幾個不同版本,其中沒有一個有本發(fā)明的優(yōu)點。早些時候的一個已知的釘刺帶僅僅由一個狹窄的長度平橡膠或織物基本包含大量的指甲取向方向相同,這樣帶可以盤繞存儲樹干的一輛警車,但是在方法逃離車輛,線圈可以卷在道路車輛的路徑,指甲會刺穿輪胎。然而,在實踐中,它很快發(fā)現(xiàn)一卷的指甲有幾個固有的問題。首先,指甲經(jīng)?；ハ嗬p在線圈被解除,經(jīng)常在其他物品被捕本身。其次,有人與指甲直立身體的地方伸出地帶迎面而來的車輛的道路通常以非常高的速度驅動,從而允許幾秒鐘完成這個任務。第三,即使最初的接觸地帶和逃離車輛之間,經(jīng)?？吹?堅實的指甲就沒有足夠迅速縮小輪胎和車輛將繼續(xù)被禁用前幾英里。第四,這種類型的螺旋上升地帶是無選擇性的,任何無辜的前車的逃離車輛在相同的道路顯然最常聯(lián)系的指甲,從而導致整個地帶被堅持從巷道輪胎和脫落。
在過去,各種專利發(fā)布有關設備的快速停止車輛。例如,美國的帕特。5月10日發(fā)布的4382714號1983 - w·g·哈奇森,描述了汽車禁用設備上一個特殊的形式多元化的設備適應項目垂直于路面穿刺一個或多個輪胎的逃離車輛。多數(shù)在設備相互連接的建立和刪除以及訂婚時創(chuàng)建一個搖搖欲墜的效果。
美國帕特。10月1日,4544303號,1985 f . g . Glasmire描述了一個保護交通障礙設計將機動車交通從一個對象或道路。該設備采用基地的楔形投影垂直擴展基地,以阻礙機動車穿越障礙的運動。基礎的形狀可能是設計來滿足特定的功能包括一個開放允許障礙適合在一個對象被保護。彈性蓋封裝基地,以防止人或動物接觸損傷與楔形的預測。
美國帕特。6月23日發(fā)布的5123774號1992 - j。j的事情教的刺穿輪胎的設備。該裝置采用多元化的間隔的管狀支持靈活的牽繩固定在一起的。各自的外遠端管支持成員包括各自的外系索,進而獲得峰值成員反對面投影到地面的高速公路結構。復數(shù)條間隔的平行定義一個銳角therebetween峰值。
美國帕特。6月21日發(fā)布的5322385號1994 - r·賴斯曼,描述了一個反裝甲的障礙,其中包括墊可壓縮材料做的。數(shù)組向上定向空心金屬尖刺的形式分布于整個墊以穿刺車輛的輪胎墊騎。峰值可能移動,以便在刺穿輪胎,它們從墊和留存的刺破輪胎,帶來快速通貨緊縮。部署在墊時,峰值充裕或低于墊的頂面。
美國帕特。5328292號,于5328292年7月12日,f·r·威廉姆斯教授交通障礙使執(zhí)法人員的有效交通障礙,可以很容易地把一輛車的后備箱和巷道快速部署。鏈是橫跨一個直角的道路交通和拉緊的方向。交通障礙鏈設計,這樣無論多么鏈放在路面上,一半的樣條函數(shù)將面臨交通流的方向45度角。
美國帕特。5498102號,3月12日,1996年到美國比塞爾,教一個輪胎刺穿高峰地帶,可以放在前面的路面行駛的車輛。高峰地帶由矩形模塊化框架單元高度較低,便于存儲在警車的樹干?？蚣軉卧新?lián)鎖結束,可以快速組裝在任何所需的長度與峰值位置在巷道在正常位置,允許車輛的安全通行。峰值可能選擇性和遠程激活位置機電由經(jīng)營者目標特定的逃離車輛。一旦逃離車輛穿越地帶,峰值可能機電由回到他們下方的位置允許追求警車安全地穿過加沙地帶和理解殘疾人車。
它是一個對象的本發(fā)明提供車輛停止的裝置,它可以迅速剎車逃離車輛。
這是本發(fā)明的另一個對象提供一個車輛停止的設備能夠選擇性的部署。
是本發(fā)明的另一個對象提供一個車輛停車設備是停止這兩個大型和小型汽車。
是本發(fā)明的另一個對象提供一個車輛停車設備可折疊,易于存儲在樹干的執(zhí)法車輛。
這是一個進一步的對象本發(fā)明提供一種車輛停止設備可以部署的一個人。
它仍然是另一個對象的本發(fā)明提供一種車輛停止設備易于使用,易于制造和相對便宜。
這些和其他對象和本發(fā)明的優(yōu)勢將成為明顯的閱讀附件規(guī)范和附加索賠。
本發(fā)明的總結
本發(fā)明是一種車輛停車設備的面板材料的觸覺前緣。材料尺寸的面板,打開時,有一個巷道寬度適合擴展。材料的面板可以適當折疊,不使用的時候,手風琴。
在本發(fā)明中,分割縫縱向延伸的面板材料的前沿。分割縫延伸大約四分之三的展開長度的長度的面板材料。這個面板分縫分成一半,位于中間的展開面板的材料形成的輕質材料,如絲。
強化腰帶上面板的材料。這種強化腰帶形成一個強大的柔性材料,如凱夫拉爾(?)。強化腰帶的一端連接到前緣和并行擴展的關系分割縫向后方的面板。加強腰帶周圍循環(huán)的分縫,延伸向另一邊的面板材料。這個強化腰帶然后延伸向前沿分割縫的另一側。v型連接器用于連接鋼筋沿前緣面板的腰帶。
觸覺前緣擴展沿前緣材料橫著的面板的面板。這種觸覺前緣形成縫兩邊的分歧。觸覺前緣包括一個膠泡形成。帶刺的針也可以提供這觸覺前緣,允許的安全與輪胎接觸逃離車輛。在首選體現(xiàn)本發(fā)明的多元性的膠粘劑水泡連續(xù)擴展的長度觸覺前緣。倒刺的多元化定位相鄰水泡的粘合劑。
在使用中,材料的面板與觸覺前沿部署面臨即將到來的車輛。當車輛進步,前面接近車輛的輪胎將聯(lián)系觸覺前緣,債券前緣輪胎。隨著車輛的繼續(xù),車輪旋轉,包裝材料的面板,及其相關的強化腰帶,在輪子。當小組達到的極限分裂,嚴格限制行動會發(fā)生車輛的車輪,導致立即剎車力。
簡要描述的圖紙
無花果。1是一個計劃的車輛停止設備依照本發(fā)明的教誨。
圖2是一個前沿的端面圖1的設備。
圖3是一個環(huán)繞面積圖2的放大視圖顯示倒刺的安排和水泡的粘合劑。
圖4是一個側高程視圖顯示車輛停車設備的部署到巷道。
圖5顯示了設備的部署與即將來臨的車輛。
圖6顯示了汽車的方式停止設備包裝在輪子的大型車輛,車輛的制動效果。
圖7演示了周圍的車輛停止設備包裝的方式駕駛小型車輛和車輛的后輪,影響車輛的停止。
發(fā)明的詳細描述
指圖1,顯示10點車輛停止設備符合本發(fā)明的教誨。車輛停止設備10包括面板的材料12有觸覺前緣14。分割縫在面板12不到16個縱向延伸的長度12中所示的面板。強化腰帶18延伸的一側前緣14分縫16日循環(huán)的最后20左右分割縫16,并返回回到前緣14的對面16分縫。
我們可以看到在圖1中,材料的面板12有一個矩形的配置。這個面板的材料應該是重量輕的面料,如絲。小組12可以折疊沿著折疊線22,在分割縫16,駐留在手風琴折疊安排。12因此,面板可以很容易地存儲在樹干的執(zhí)法車輛。專家組12應該有一個展開的寬度,適用于巷道擴展。在本發(fā)明的首選體現(xiàn),展開小組將會有一個寬度適合擴展跨一個車道。在本發(fā)明的首選體現(xiàn),面板12將大約十八英尺長。
觸覺前緣14位于面板的一端12。觸覺前緣14從24到26面板的12。前緣14位于兩邊的分縫16。28 v型注意切口將從前緣擴展14向16分縫。將以下描述,觸覺前緣14可以包括帶刺的別針由此向上擴展和/或膠粘劑水泡擴展跨。觸覺前緣14將橫著在12中所示的面板。
16分縫,首選的化身,會延長大約四分之三的panel12展開的長度。分割縫16將終止結束20內心的屁股30 12中所示的面板。分割縫16實際上是分裂或弱在一起。分割縫16縱向延伸至中間面板的12。
強化腰帶18有一個特定的配置,允許設備10有效制動逃離車輛。強化腰帶18應該強大靈活的材料,如凱夫拉爾(?)。強化腰帶18應該貼在面板表面12。32的鋼筋一端腰帶18是貼的一側前緣14分縫16。強化腰帶18專門有一個v型前緣14配置34。34 v型配置的寬端貼在前緣14這樣一條腿的相鄰分割縫16 v型配置和相反的腿將相鄰的一側26小組12。每條腿的36 v型配置收斂在一個中心區(qū)域縱向延伸穿過板12分縫的一側16。加固肩帶18有毛圈38節(jié),將周圍的結束20分縫16的對面,出現(xiàn)分割縫?？梢钥闯?分割縫的對面也有強化腰帶18 v型40節(jié)。40 v型剖面的首回合42相鄰的一側24面板12和相反的腿附近44分縫16。每條腿42和44是貼在前緣14。腿42和46 44收斂起來的線性部分。強化腰帶18應該整合在一起形成的。
圖2顯示了前緣14的安排?？梢钥吹?前緣14有一個多元化的膠粘劑水泡50向上延伸從表面面板12。帶刺的別針52也向上擴展的面板12相鄰雙膠水泡。重要的是要注意,在本發(fā)明中,倒刺52和水泡50可以安排在任何所需的模式。然而,在本發(fā)明的首選體現(xiàn),倒刺52將定位相鄰雙膠水泡。
圖3顯示了圖2的環(huán)繞面積54?？梢钥吹?膠泡之間的倒鉤銷52向上延伸60和62膠泡。當一個輪胎在前緣14卷,倒鉤銷52將車輛的輪胎接觸。同時,膠水泡60和62年將打開,用快干膠面板之間的12和輪胎的表面。因此,本發(fā)明提供了一種雙向連接方式前緣14到輪胎的表面。
圖4顯示了該設備的方式可以應用于一個表面70巷道72?？梢钥吹?panel12展開成平面條件。前緣14部署,面對即將到來的車輛。12所示的面板伸展在巷道的表面70 70平。
圖5顯示了一個車輛76接近10本發(fā)明的裝置?？梢钥吹?車輛的前輪78年和80年76正接近前緣14面板的12。因此,車輪78年和80年在一個合適的位置與觸覺前緣14。76汽車旅行到前緣14日倒刺52和膠粘劑水泡50將以強烈堅持車輪78年和80年。剩下的小組12將于76年環(huán)繞車輛的車輪。
在圖6中,可以看出設備顯示為包裝在輪80的車。對面的小組將于78年環(huán)繞車輪。結果,委員會12日及其相關強化腰帶18日將到車輛。76年車輛,如圖6中所示,是一個相對較大的長軸距的車。設備10將底盤下區(qū)域。10當系統(tǒng)達到的極限分16日加強腰帶將嚴格限制車輪的旋轉,導致立即剎車力。
圖7顯示了一個更小的車輛90遇到設備10。當一個較小的車輛與較短的軸距接觸設備10,周圍的前緣14將前輪以類似的方式如以上所述。然而,后輪92年將接觸后部邊緣前30的面板材料12包裝效果完全達到。結果,92年后輪的實際行動將導致前緣14造成車輛的制動動作。前緣將環(huán)繞前輪94直到后輪之間的接觸阻礙包裝92和面板的表面12。因此,前輪94年將是阻止進一步的旋轉。這輛車將會立即停止。
上述信息披露和發(fā)明是說明性的描述和解釋。各種變化的細節(jié)說明建設范圍內可以附加索賠沒有離開發(fā)明的真正精神。本發(fā)明只應限于以下索賠和法律的等價物。
原文：Vehicle stopping device
摘要：
A vehicle stopping device having a panel of material with a split extending from one end of the panel toward an opposite end of the panel, a tactile surface formed adjacent to one of the panel and adapted to attach to a tire rolling thereover, and a reinforcement sash affixed to the panel of material and extending in a partial loop around the split seam. The reinforcement sash has a first end affixed adjacent to the tactile surface and a second end affixed to the tactile surface on an opposite side of the split seam from the first end. The panel has a width dimension suitable for extending across a roadway. The tactile surface extends across this width dimension. The panel is capable of being folded into a concertina. The tactile surface can be either an adhesive applied onto a top surface of the panel of material, an adhesive retained within a plurality of blisters affixed along a forward edge of the panel of material, or a plurality of barbs extending upwardly from the top surface of the panel of material.
RELATED APPLICATION
The present utility patent application is based upon U.S. Provisional Patent Application Ser. No. 60/103,872, filed on Oct. 13, 1998, and entitled “VEHICLE STOPPING DEVICE”.
TECHNICAL FIELD
The present invention relates to law enforcement equipment. More particularly, the present invention relates to non-lethal devices employed by police agencies on a roadway during pursuit to safely and almost instantly stop a fleeing vehicle.
BACKGROUND ART
As is perhaps well known, there have recently been several notorious chases of fleeing vehicles whose drivers refuse to stop or try to outrun the police. Some of the most famous chases involved armed and dangerous criminals who had virtually nothing to lose by using their vehicle to crash through classic police roadblocks which often resulted in bodily injury and great property damage.
The classic police roadblock by which police cars are parked across a roadway results in blockage of all vehicular traffic and thereby often causes congestion of citizen drivers at the roadblock who must either be allowed to pass by movement of police cars or risk physical harm in any subsequent confrontation between the police and the driver of a fleeing vehicle. In other words, classic police roadblocks are non-selective, cause congestion and often result in more injury than they are worth.
Accordingly, the prior art reveals attempts to replace classic police roadblocks with a selective and safe means for stopping a fleeing vehicle by puncturing its tires. A preferred device in use today is known as a spike strip and there are several variations, none of which have the advantages of the present invention. One of the earlier known spike strips simply consisted of a narrow length of flat rubber or fabric base containing a multitude of nails oriented in the same direction so that the strip could be coiled for storage in a trunk of a police car, but upon approach of a fleeing vehicle, the coil could be rolled across a roadway in the path of the vehicle whereby the nails would puncture the tires. However, in practice, it soon became apparent that a coil of nails had several inherent problems. First, the nails often snagged upon each other as the coil was unwound and often ensnared itself on other items. Secondly, someone had to physically place the outstretched strip with nails upright in the path of an oncoming vehicle which was usually driven at a very high speed, thereby allowing a few seconds to complete the task. Thirdly, even when initial contact is made between the strip and the fleeing vehicle, it was often seen that solid nails alone did not deflate the tires rapidly enough and the vehicle would continue for several more miles before being disabled. Fourthly, this type of coiled spike strip was non-selective in that any innocent vehicle ahead of the fleeing vehicle on the same roadway would obviously contact the nails and thereby most often result in the entire strip being adhered to the tires and dislodged from the roadway.
In the past, various patents have issued relating to devices for the rapid stopping of vehicles. For example, U.S. Pat. No. 4,382,714, issued on May 10, 1983 to W. G. Hutchison, describes a vehicle disabling device in the form of a plurality of spike-like devices adapted to project perpendicular to a road surface to puncture one or more tires of a fleeing vehicle. A plurality of the devices are interconnected for ease in putting in place and removing as well as creating a flailing effect when engaged.
U.S. Pat. No. 4,544,303, issued on Oct. 1, 1985 to F. G. Glasmire, describes a protective traffic barrier designed to divert motor vehicle traffic away from an object or roadway. This device employs a base with wedge-shaped projections extending vertically from the base so as to impede the movement of a motor vehicle across the barrier. The shape of the base may be designed to fulfill a particular function including an opening to allow the barrier to fit over an object to be protected. A resilient cover encapsulates the base so as to protect people or animals from contact injury with the wedge-shaped projections.
U.S. Pat. No. 5,123,774, issued on Jun. 23, 1992 to J. J. Dubiel, teaches an apparatus for the puncturing of tires. This apparatus employs a plurality of spaced tubular supports which are secured together by a flexible tether line. The respective outer distal tubular support members include a respective outer tether line that is in turn secured to a spike member for projection into the ground surface on opposed sides of a highway structure. Plural pairs of spaced parallel spikes define an acute angle therebetween.
U.S. Pat. No. 5,322,385, issued on Jun. 21, 1994 to R. Reisman, describes an anti-vehicle barrier that includes a pad made of a compressible material. An array of upwardly directed hollow metal spikes are distributed throughout the pad so as to puncture the tire of a vehicle which rides over the pad. The spikes may be removable so that upon puncturing the tire, they are removed from the pad and retained by the punctured tire so as to bring about its rapid deflation. When deployed in the pad, the spikes are flush with or are below the top surface of the pad.
U.S. Pat. No. 5,328,292, issued on Jul. 12, 1994 to F. R. Williams, teaches a traffic barrier which gives law-enforcement officers an effective traffic barrier which can be easily carried in the trunk of a car and quickly deployed across a roadway. The chain is simply stretched across the roadway at a right angle to the direction of traffic and pulled tight. The traffic barrier chain is designed so that no matter how the chain is placed on the road surface, half of the splines will be facing the direction of traffic flow at an angle of 45 degrees.
U.S. Pat. No. 5,498,102, issued on Mar. 12, 1996 to S. Bissell, teaches a tire puncturing spike strip which can be placed on a road surface in front of a moving vehicle. The spike strip is composed of rectangular modular frame units with low height for easy storage in a trunk of a police vehicle. The frame units have interlocking ends which can be quickly assembled in any desired length for placement across a roadway with spikes in a normal down position to allow safe passage of vehicles over the strip. The spikes may be selectively and remotely activated to their up position electromechanically by an operator to target a specific fleeing vehicle. Once the fleeing vehicle crosses over the strip, the spikes may be electromechanically returned to their down position to allow pursuing police cars to safely cross over the strip and apprehend the disabled vehicle.
It is an object of the present invention to provide a vehicle stopping device which rapidly brakes the fleeing vehicle.
It is another object of the present invention to provide a vehicle stopping device which is capable of selective deployment.
It is another object of the present invention to provide a vehicle stopping device which serves to stop both large and small vehicles.
It is another object of the present invention to provide a vehicle stopping device which can be folded so as to be easily stored in the trunk of a law enforcement vehicle.
It is a further object of the present invention to provide a vehicle stopping device which can be deployed by a single person.
It is still another object of the present invention to provide a vehicle stopping device which is easy to use, easy to manufacture and relatively inexpensive.
These and other objects and advantages of the present invention will become apparent from a reading of the attached specification and appended claims.
SUMMARY OF THE INVENTION
The present invention is a vehicle stopping device having a panel of material which has a tactile leading edge. The panel of material has a size which, when unfolded, has a width suitable for extending across a roadway. The panel of material can be suitably folded, when not in use, into a concertina.
In the present invention, a split seam extends longitudinally across the panel of material from the leading edge. The split seam extends approximately three quarters of the length of the unfolded length of the panel of material. This split seam splits the panel in half and is located in a middle of the unfolded panel. The panel of material is formed of a light weight material, such as silk.
A reinforcement sash is affixed to the panel of material. This reinforcement sash is formed of a strong flexible material, such as KEVLAR (?). One end of the reinforcement sash is attached to the leading edge and extends in parallel relationship to the split seam toward the rearward end of the panel. The reinforcement sash loops around the end of the split seam so as to extend toward the other side of the panel of material. This reinforcement sash then extends toward the leading edge on the opposite side of the split seam. A V-shaped connector serves to connect the reinforcement sash along the leading edge of the panel.
The tactile leading edge extends along the leading edge of the panel of material widthwise across the panel. This tactile leading edge is formed on both sides of the split seam. The tactile leading edge includes an adhesive blister formed there across. Barbed pins can also be provided on this tactile leading edge so as to allow for the secure engagement with the tire of a fleeing vehicle. In the preferred embodiment of the present invention, a plurality of adhesive blisters extend in a row across the length of the tactile leading edge. The plurality of barbs are positioned between adjacent adhesive blisters.
In use, the panel of material is deployed with the tactile leading edge facing the approaching vehicle. When the vehicle advances, the front tires of the approaching vehicle will contact the tactile leading edge so as to bond the leading edge to the tire. As the vehicle continues, the wheels will rotate so as to wrap the panel of material, and its associated reinforcement sash, around the wheels. When the panel reaches the limits of the split, a tight restricting action will occur on the wheels of the vehicle so as to cause an immediate braking force.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a plan view of the vehicle stopping device in accordance with the teachings of the present invention.
FIG. 2 is an end view of the leading edge of the device of FIG.?1.
FIG. 3 is a magnified view of the circled area of FIG. 2 showing the arrangement of barbs and adhesive blisters.
FIG. 4 is a side elevational view showing the deployment of the vehicle stopping device onto a roadway.
FIG. 5 shows the deployment of the device in relation to an approaching vehicle.
FIG. 6 shows the manner in which the vehicle stopping device wraps around the wheel of a large vehicle so as to effect the braking of the vehicle.
FIG. 7 illustrates the manner in which the vehicle stopping device wraps around the wheel of a small vehicle and engages the rear wheel of the vehicle so as to effect the stopping of the vehicle.
DETAILED DESCRIPTION OF THE INVENTION
Referring to FIG. 1, there is shown at?10?the vehicle stopping device in accordance with the teachings of the present invention. The vehicle stopping device?10?includes a panel of material?12?having a tactile leading edge?14. A split seam?16extends longitudinally across the panel?12?for less than the length of the panel?12. A reinforcement sash?18?extends from the leading edge?14?on one side of the split seam?16, loops around the end?20?of the split seam?16, and returns back to the leading edge?14?on the opposite side of split seam?16.
As can be seen in FIG. 1, the panel of material?12?has a rectangular configuration. This panel of material should be of a very light weight fabric, such as silk. The panel?12?can be folded along fold lines?22?and across the split seam?16?so as to reside in a concertina folded arrangement. As such, the panel?12?can be easily stored in the trunk of a law enforcement vehicle. The panel?12?should have an unfolded width that is suitable for extending across a roadway. In the preferred embodiment of the present invention, the unfolded panel will have a width suitable for extending across a single lane. In the preferred embodiment of the present invention, the panel?12?will be approximately eighteen feet long.
The tactile leading edge?14?is located at one end of the panel?12. The tactile leading edge?14?extends from side?24?to side?26of the panel?12. The leading edge?14?is located on both sides of the split seam?16. A V-shaped noticed notch?28?will extend from the leading edge?14?toward the split seam?16. As will be described hereinafter, the tactile leading edge?14?can include barbed pins extending upwardly therefrom and/or adhesive blisters extending there across. The tactile leading edge?14?will extend widthwise across the panel?12.
The split seam?16, in the preferred embodiment, will extend approximately three-quarters of the length of the unfolded panel12. The split seam?16?will terminate at end?20?inwardly from the rear end?30?of the panel?12. The split seam?16?is actually split or is weakly held together. The split seam?16?extends longitudinally through the middle of the panel?12.
The reinforcement sash?18?has a particular configuration so as to allow the device?10?to effectively brake a fleeing vehicle. The reinforcement sash?18?should be of a strong flexible material, such as KEVLAR (?). The reinforcement sash?18?should be affixed to the surface of the panel?12. One end?32?of the reinforcement sash?18?is affixed to the leading edge?14?on one side of the split seam?16. The reinforcement sash?18?specifically has a V-shaped configuration?34?at the leading edge?14. The wide end of the V-shaped configuration?34?is affixed to the leading edge?14?such that one leg of the V-shaped configuration is adjacent to the split seam?16?and the opposite leg will be adjacent to the side?26?of panel?12. Each of the legs of the V-shaped configuration converge together in a central area?36?which extends lengthwise across the panel?12along one side of the split seam?16. The reinforcement sash?18?has a looped section?38?which will extend around t
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