WO2015173630A1 - Anti-theft security system for a manhole cover, including a mechanism with a vertical rotation shaft - Google Patents
Anti-theft security system for a manhole cover, including a mechanism with a vertical rotation shaft Download PDFInfo
- Publication number
- WO2015173630A1 WO2015173630A1 PCT/IB2015/000778 IB2015000778W WO2015173630A1 WO 2015173630 A1 WO2015173630 A1 WO 2015173630A1 IB 2015000778 W IB2015000778 W IB 2015000778W WO 2015173630 A1 WO2015173630 A1 WO 2015173630A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- key
- cover
- guaya
- sewer
- handle
- 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.)
- Ceased
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
Definitions
- This patent is a complementary invention to the utility patent model of the rotating anti-theft sewer cover that allows to give a complete security model before a threatening theft to the sewer system of the urban parts of the different cities of the country.
- the internal lock is located on the inside of the cover (5) (Fig.14) adapted according to the geometric shape of the cover, which is suspended inside a sewer or inspection well, this is characterized by making the primary security of the sewer system by securing it by means of pins that cause it to attach to the wall of the sewer.
- the Cover (5) or external part is composed mainly of a groove (6), a rotatable shaft (7) and an internal compartment or lock (28) (Fig.14). Which, is anchored to a base (base ring) and a rotating shaft (7) embedded in a tube (2) (Fig.15).
- a compartment (28) composed of one or more pins that are operated by means of a key (10) and turning it to 90 degrees makes the rod of the pin move backwards or if you want several pins (14) that release the internal lock (28) and allows you to release the lid (5) and thus be able to raise and turn it to open the mouth of the sewer. (Fig.15).
- the Ship (10) It is composed in the upper part by a hole or handle (35) where a lifting bar (19) is embedded, a handle (36) that supports the structure of the key. A ring (38) that gives a limit of descent to the key (10) and its two wings (37) one on each side of the handle. (Fig.17).
- the key is classified into the following models:
- Normal key L-1 Key L-2 Presents a watering (40) in the upper right part according to ia (Fig.18) that makes e (contact with the support (48) located in the upper part, that is in the lid (5), generating maximum security.
- Key L-3, L-4, L-5 and L-6 They are of different degrees of difficulty; each one of them has an entrance or notch (39) that passes through an obstacle (49) in the form of a headless screw. It contains an innovative piece: the internal guaya (41) that fulfills the function of being embedded in a quadrant of rectangular shape and pushes a safety (57) that releases the wing of the key (37) and thus allows it to rotate.
- Ltave guaya This key is open symmetrically and inside it is embedded in a gutter (41). (Fig.21).
- Ltave sensor L-9 It is adapted to a sensor that works with an electronic circuit (Fig.18).
- the size of a key L is proportional to the weight of the cover (5) together with its compartment (28) and its respective rotary axis (7) (Fig.14)"
- Guaya (41) It is composed of a handle (42), a cover (43) and inside it is a guaya, depending on the manipulation of the handle (42) allows the tip of the guaya (44) to come out and between (Fig.19).
- Secure (57) It consists of a platform and a handle (58) stuck, inside it is a spring (15) that drives the safety penetrating the tube located in the compartment (28); the safety (57) immobilizes the wing (37) of the key (10).
- Obstacle (49) Adheres to a base (50) and its lower part is screwed to a hole (51); The main function of this obstacle (49) is to protect the support (48) when turning the original key through the obstacle with its groove or notch (39). (Fig-23), generating contact to the support (48) presses it and makes it go back; the obstacle prevents the non-original key or foreign object from contacting the support (48) and prevents it from activating the operation of the internal insurance system.
- the base (50) It consists of several holes (5) in which the obstacle (49) is embedded in any of the holes (51) depending on the type of key (10) that is used in the opening of the lid. (Fig.24) .It is located at the bottom or top of the base of! side of the aia (37) in its longer length in standard position! in the compartment (66).
- Internal Security (11) It is composed of a rod or pin (14), a support (48), 2 tubes or shirt (12), supports (53), a spring (15), a hole (23) and a pin (13) (Fig.25). Parts of the internal insurance
- Rod or pin (14) It is found as a single unit together with the support (48) and travels along a path driven by a spring (15), and is retracted with the key (10);
- a security system for the anti-theft rotating lid can be one or more pins (Fig, (27)).
- Tube or sleeve (12) Covers the rod or pin and gives it firmness, the tube (12-A) fulfills the same function and stores the spring (15) that drives the rod (14).
- Tube (55) It is embedded in the wall of the sewer or inspection pole, receives the termination (54) of the rod or pin (14) (Fig. 27-28).
- Cover (17) of the internal lock Cover hermetically the compartment (28) in the lower part of it (Fig.33)
- Slot protector (6) it is composed of a cover (64) that can be rotated at one end, it has a fixed shoulder, at the other end a screw or rivet to be removed. This protector prevents the insertion of foreign objects (Fig.34)
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Sewage (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
SISTEMA DE SEGURIDAD ANTIRROBO PARA UNA TAPA DE ANTI-THEFT SECURITY SYSTEM FOR A COVER
ALCANTARILLA, CON UN MECANISMO DE EJE GIRATORIO VERTICAL SEWER, WITH A VERTICAL ROTATING SHAFT MECHANISM
DESCRIPCIÓN DESCRIPTION
Esta patente es una invención complementaria al modelo de patente de utilidad de la tapa de alcantarilla girable antirrobo que permite dar un completo modelo de seguridad ante un amenazador robo al sistema de alcantarillado de las partes urbanas de las diferentes ciudades del país. This patent is a complementary invention to the utility patent model of the rotating anti-theft sewer cover that allows to give a complete security model before a threatening theft to the sewer system of the urban parts of the different cities of the country.
El seguro interno está localizado en la parte interna de la tapa (5) (Fig.14) adaptado de acuerdo a la forma geométrica de la tapa, la cual está suspendida dentro de una alcantarilla o pozo de inspección, este se caracteriza por hacer la seguridad primaria del sistema de alcantarillado asegurándola por medio de pasadores que hacen que se fije a la pared de la alcantarilla. The internal lock is located on the inside of the cover (5) (Fig.14) adapted according to the geometric shape of the cover, which is suspended inside a sewer or inspection well, this is characterized by making the primary security of the sewer system by securing it by means of pins that cause it to attach to the wall of the sewer.
Su funcionamiento se basa principalmente en un sistema de pasadores incrustados en un compartimento (seguro interno) encajado en la parte interna de la tapa de la alcantarilla los cuales se activan al acoplar una llave de seguridad a una ranura extema que se encuentra en la parte superior y visible de la tapa, girándola a 90 grados hace retroceder la varilla del pasador, el cual libera el seguro interno y así permite subir y girar ta tapa hasta abrir la boca de la alcantarilla. Its operation is based mainly on a system of pins embedded in a compartment (internal lock) embedded in the inner part of the cover of the sewer which are activated by coupling a security key to an external slot that is on top and visible from the lid, rotating it to 90 degrees makes the rod of the pin back, which releases the internal lock and thus allows to raise and turn the lid until the mouth of the sewer is opened.
PRESENTACIÓN DE UNA TAPA DE ALCANTARILLA GIRABLE ANTIRROBO PRESENTATION OF A GIRABLE ANTI-THEFT SEWER COVER
T.A.G.A T.A.G.A
La Tapa (5) o parte extema, está compuesta principalmente de una ranura (6), un eje girable (7) y un compartimiento o seguro interno (28) (Fig.14). La cual, está anclada a una base (aro base) y a un eje giratorio (7) incrustado en un tubo (2) (Fig.15). The Cover (5) or external part, is composed mainly of a groove (6), a rotatable shaft (7) and an internal compartment or lock (28) (Fig.14). Which, is anchored to a base (base ring) and a rotating shaft (7) embedded in a tube (2) (Fig.15).
ESTRUCTURA DEL SISTEMA DE SEGURIDAD DEL SEGURO INTERNO DE LA TAPA STRUCTURE OF THE COVER INTERNAL INSURANCE SECURITY SYSTEM
(5). (5).
Acondicionamiento dei Seguro Interno Conditioning of the Internal Insurance
En la parte interna de una tapa (5) (Fig.14) está incrustado un compartimiento (28) compuesto de uno o más pasadores que accionados por medio de una llave (10) y girándola a 90 grados hace retroceder la varilla del pasador o si se quiere varios pasadores (14) que liberan el seguro interno (28) y permite liberar ta tapa (5) y así poderla subir y girar hasta abrir ta boca de la alcantarilla. (Fig.15). In the internal part of a lid (5) (Fig.14) is embedded a compartment (28) composed of one or more pins that are operated by means of a key (10) and turning it to 90 degrees makes the rod of the pin move backwards or if you want several pins (14) that release the internal lock (28) and allows you to release the lid (5) and thus be able to raise and turn it to open the mouth of the sewer. (Fig.15).
PARTES DEL SISTEMA DEL COMPARTIMENTO DEL SEGURO INTERNO La Ranura (6): Es un orificio donde se inserta la llave que puede variar dependiendo del diseño de la llave (Fig.16). PARTS OF THE INTERNAL INSURANCE COMPARTMENT SYSTEM Slot (6): It is a hole where the key is inserted, which can vary depending on the design of the key (Fig.16).
La Nave (10): Está compuesta en la parte superior por un orificio o manija (35) donde se incrusta una barra elevadora (19), un mango(36) que soporta la estructura de la llave.un aro (38) que da un límite de bajada a la llave (10) y sus dos alas (37) una a cada lado del mango. (Fig.17). The Ship (10): It is composed in the upper part by a hole or handle (35) where a lifting bar (19) is embedded, a handle (36) that supports the structure of the key. A ring (38) that gives a limit of descent to the key (10) and its two wings (37) one on each side of the handle. (Fig.17).
La llave se clasifica en tos siguientes modelos: The key is classified into the following models:
Llave normal L-1 Llave L-2: Presenta un acuitamiento (40) en ia parte superior derecha según ia (Fig.18) que hace e( contacto con el soporte (48) situado en fa parte de arriba, es decir en la tapa (5), generando máxima seguridad. Normal key L-1 Key L-2: Presents a watering (40) in the upper right part according to ia (Fig.18) that makes e (contact with the support (48) located in the upper part, that is in the lid (5), generating maximum security.
Llave L-3, L-4, L-5 y L-6: Son de diferentes grados de dificultad; tienen cada una de ellas una entrada o muesca (39) que traspasan un obstáculo (49) en forma de tornillo sin cabeza. Contiene una pieza innovadora: la guaya interna (41) que cumple la función de incrustarse en un cuadrante de forma rectangular y empuja un seguro (57) que libera el ala de la llave (37) y así permite girarla. Key L-3, L-4, L-5 and L-6: They are of different degrees of difficulty; each one of them has an entrance or notch (39) that passes through an obstacle (49) in the form of a headless screw. It contains an innovative piece: the internal guaya (41) that fulfills the function of being embedded in a quadrant of rectangular shape and pushes a safety (57) that releases the wing of the key (37) and thus allows it to rotate.
Ltave guaya: Esta llave está abierta simétricamente y en su interior va incrustada a una canaleta (41). (Fig.21). Ltave guaya: This key is open symmetrically and inside it is embedded in a gutter (41). (Fig.21).
Ltave sensor L-9: Se encuentra adaptada a un sensor que funciona con un circuito electrónico (Fig.18). Ltave sensor L-9: It is adapted to a sensor that works with an electronic circuit (Fig.18).
"El tamaño de una llave L es proporcional al peso de ia tapa (5) junto con su compartimiento (28) y su respectivo eje giratorio (7) (Fig.14)" "The size of a key L is proportional to the weight of the cover (5) together with its compartment (28) and its respective rotary axis (7) (Fig.14)"
Guaya (41): Está compuesta por una manija (42), una funda (43) y en su interior se encuentra una guaya, según la manipulación de la manija (42) permite que ta punta de la guaya (44) salga y entre (Fig.19). Guaya (41): It is composed of a handle (42), a cover (43) and inside it is a guaya, depending on the manipulation of the handle (42) allows the tip of the guaya (44) to come out and between (Fig.19).
Cuando la manija de la guaya (42) esta distanciada del mango (36) de la llave (10) o en posición (42-A) la punta o terminación (44) de la guaya se oculta en la llave (10) (Fig.20) y no activa el seguro (57). When the handle of the guaya (42) is spaced from the handle (36) of the key (10) or in position (42-A) the tip or termination (44) of the guaya is hidden in the key (10) (Fig. .20) and does not activate the insurance (57).
Cuando la manija (42) de la guaya está adherida al mango (36) de la llave (10) ia punta o terminación (44) es visible (Fig.20) y empuja un seguro (57) que hace liberar el ala de la llave (37), girando la llave aproximadamente 20 grados; luego se coloca la manija en posición (42-8) y se libera la llave (10) girándola en su totalidad a 90 grados de su parte inicial, retrocediendo el o los seguros del pasador (14) liberan la tapa (5) y retrocede fa llave(10) y vuelve a su estado normal (Fig.27 Fig.30, Fig. 31 y Fig.33) When the handle (42) of the guaya is adhered to the handle (36) of the key (10) the tip or termination (44) is visible (Fig.20) and pushes a latch (57) that releases the wing of the handle. key (37), turning the key approximately 20 degrees; then the handle is placed in position (42-8) and the key (10) is released by turning it in its entirety 90 degrees from its initial part, retracting the or the latches of the pin (14) release the cover (5) and back fa key (10) and returns to its normal state (Fig.27 Fig.30, Fig. 31 and Fig.33)
Partes efe/ sistema con el seguro de guaya Uave guaya (L-7 ,LS) : Empuja el seguro (57) Parties efe / system with guaya insurance Guaave Uave (L-7, LS): Push the insurance (57)
Seguro (57): Está compuesto por una plataforma y pegado un mango (58), en su interior se encuentra un resorte (15) que impulsa el seguro penetrando el tubo localizado en el compartimiento (28); el seguro (57) inmoviliza el ala (37) de la llave (10). Secure (57): It consists of a platform and a handle (58) stuck, inside it is a spring (15) that drives the safety penetrating the tube located in the compartment (28); the safety (57) immobilizes the wing (37) of the key (10).
Mango (58): Va incrustado en un tubo (65) entra y sale. Handle (58): It is imbedded in a tube (65) in and out.
Tubo (65): Incrustado en el compartimiento (28). Tube (65): Embedded in the compartment (28).
Compartimiento d& rotación (66): Espacio donde gira la llave ( 0) D & R compartment (66): Space where the key rotates (0)
Obstáculo (49): Se adhiere a una base (50) y su parte inferior se atornilla a un orificio (51); la función principal de este obstáculo (49) es proteger el soporte (48) al girar la llave original traspasa el obstáculo con su estría o muesca (39) . (Fig-23) , generando contacto al soporte (48) lo presiona y lo hace retroceder; el obstáculo impide que Sa llave no original u objeto extraño haga contacto con el soporte (48) e impide que active el funcionamiento del sistema del seguro interno. Obstacle (49): Adheres to a base (50) and its lower part is screwed to a hole (51); The main function of this obstacle (49) is to protect the support (48) when turning the original key through the obstacle with its groove or notch (39). (Fig-23), generating contact to the support (48) presses it and makes it go back; the obstacle prevents the non-original key or foreign object from contacting the support (48) and prevents it from activating the operation of the internal insurance system.
Sistema con obstáculo (49): El soporte (48) queda escondido detrás del obstáculo (49) para que un objeto extraño no active el sistema (Fig.32). System with obstacle (49): The support (48) is hidden behind the obstacle (49) so that a foreign object does not activate the system (Fig.32).
La base (50): Está compuesta por varios orificios (5 ) en los cuales se incrusta el obstáculo (49) en cualquiera de los orificios (51) dependiendo del tipo de llave (10) que se utilice en la apertura de la tapa. (Fig.24).esta situada en la parte inferior o superior de la base de! lado de la aia (37) en su longitud mayor en posición norma! en el compartimiento (66). The base (50): It consists of several holes (5) in which the obstacle (49) is embedded in any of the holes (51) depending on the type of key (10) that is used in the opening of the lid. (Fig.24) .It is located at the bottom or top of the base of! side of the aia (37) in its longer length in standard position! in the compartment (66).
Seguro Interno (11): Esíá compuesto por una varilla o pasador (14), un soporte (48), 2 tubos o camisa (12), soportes (53), un resorte (15), un orificio (23) y un pin (13) (Fig.25). Partes del seguro interno Internal Security (11): It is composed of a rod or pin (14), a support (48), 2 tubes or shirt (12), supports (53), a spring (15), a hole (23) and a pin (13) (Fig.25). Parts of the internal insurance
Varilla o pasador (14): Se encuentra como una sola unidad junto con el soporte (48) y recorre un trayecto impulsado por un resorte (15),y se retrocede con la llave (10); Un sistema de seguridad de la tapa girable antirrobo puede ser de uno o más pasadores (Fig, (27). Rod or pin (14): It is found as a single unit together with the support (48) and travels along a path driven by a spring (15), and is retracted with the key (10); A security system for the anti-theft rotating lid can be one or more pins (Fig, (27)).
En la (Fig.27)r la llave se gira a 90 grados.esta retrocede el soporte (48) y hace retroceder la varilla o pasador (48) In the (Fig.27) r the key is turned to 90 degrees. This backs the support (48) and makes the rod or pin back (48)
Soporte (48): Cuando entra en contacto y por presión del ala (37) de la Have (10) retrocede la varilla o pasador (14). Support (48): When it comes into contact and by pressure of the wing (37) of the key (10) the rod or pin (14) retracts.
Tubo o camisa (12): Cubre la varilla o pasador y le da firmeza, el tubo (12-A) cumple la misma función y almacena el resorte (15) que es el que impulsa la varilla (14). Tube or sleeve (12): Covers the rod or pin and gives it firmness, the tube (12-A) fulfills the same function and stores the spring (15) that drives the rod (14).
Soportes (53): Cumplen la función de fijar toda la estructura del seguro interno (11). Supports (53): They fulfill the function of fixing the entire structure of the internal insurance (11).
Resorte (15): Impulsa la varilla o pasador (14). Spring (15): Drives the rod or pin (14).
Orificio (23): En este orificio (23) va encajado un pin (13) que no deja salir el resorte.Hole (23): In this hole (23) is inserted a pin (13) that does not let out the spring.
Tubo (55): Va incrustado en la pared de la alcantarilla o po¿o de inspección, recibe la terminación (54) de la varilla o pasador (14) (Fig. 27-28). Tube (55): It is embedded in the wall of the sewer or inspection pole, receives the termination (54) of the rod or pin (14) (Fig. 27-28).
Tapa (17) del seguro interno: Tapa herméticamente el compartimiento (28) en la parte inferior del mismo.(Fig.33) Cover (17) of the internal lock: Cover hermetically the compartment (28) in the lower part of it (Fig.33)
Protector ranura (6): está compuesto por una tapa (64) girable en un extremo tiene un íomillo fijo, al otro extremo un tornillo o remache de remover. Este protector evita que se inserten objetos extrafios.(Fig.34) Slot protector (6): it is composed of a cover (64) that can be rotated at one end, it has a fixed shoulder, at the other end a screw or rivet to be removed. This protector prevents the insertion of foreign objects (Fig.34)
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CO14101470A CO7120271A1 (en) | 2014-05-12 | 2014-05-12 | Security system of the internal safety of the sewer cover rotatable anti-theft t.a.g. |
| CO2014-101470 | 2014-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015173630A1 true WO2015173630A1 (en) | 2015-11-19 |
Family
ID=52544186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2015/000778 Ceased WO2015173630A1 (en) | 2014-05-12 | 2015-05-01 | Anti-theft security system for a manhole cover, including a mechanism with a vertical rotation shaft |
Country Status (4)
| Country | Link |
|---|---|
| AR (1) | AR100276A1 (en) |
| CL (1) | CL2015001205A1 (en) |
| CO (1) | CO7120271A1 (en) |
| WO (1) | WO2015173630A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824614A (en) * | 2018-08-30 | 2018-11-16 | 杨倩 | A kind of filtering well lid for sewer |
| CN108894252A (en) * | 2018-07-13 | 2018-11-27 | 嘉善县干窑小学 | It is a kind of for antitheft underground well lid |
| US10920392B2 (en) * | 2017-11-29 | 2021-02-16 | St. Peter Metal Works, LLC | Cover grate for well-site cellars |
| CN113006148A (en) * | 2021-02-26 | 2021-06-22 | 隋明翰 | Warning monitoring device and inspection well system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964755A (en) * | 1989-04-18 | 1990-10-23 | Lew-Mor, Inc. | Manhole cover lock apparatus |
| US6739796B1 (en) * | 2003-03-21 | 2004-05-25 | Philip W. Del Nero | High security manhole insert cover |
| CN2893088Y (en) * | 2006-03-09 | 2007-04-25 | 张卓一 | Multipoint manhole cover antitheft lock |
| KR100914627B1 (en) * | 2008-07-18 | 2009-09-02 | (주)해안종합건축사사무소 | Manhole cover using slide locking key |
| KR101371030B1 (en) * | 2013-07-18 | 2014-03-07 | 이상각 | Manhole Cover |
| CO7160004U1 (en) * | 2013-12-30 | 2015-01-15 | Lopez Gustavo Lozano | Cover sewer rotatable anti-theft |
-
2014
- 2014-05-12 CO CO14101470A patent/CO7120271A1/en unknown
-
2015
- 2015-05-01 WO PCT/IB2015/000778 patent/WO2015173630A1/en not_active Ceased
- 2015-05-05 AR ARP150101347A patent/AR100276A1/en unknown
- 2015-05-06 CL CL2015001205A patent/CL2015001205A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964755A (en) * | 1989-04-18 | 1990-10-23 | Lew-Mor, Inc. | Manhole cover lock apparatus |
| US6739796B1 (en) * | 2003-03-21 | 2004-05-25 | Philip W. Del Nero | High security manhole insert cover |
| CN2893088Y (en) * | 2006-03-09 | 2007-04-25 | 张卓一 | Multipoint manhole cover antitheft lock |
| KR100914627B1 (en) * | 2008-07-18 | 2009-09-02 | (주)해안종합건축사사무소 | Manhole cover using slide locking key |
| KR101371030B1 (en) * | 2013-07-18 | 2014-03-07 | 이상각 | Manhole Cover |
| CO7160004U1 (en) * | 2013-12-30 | 2015-01-15 | Lopez Gustavo Lozano | Cover sewer rotatable anti-theft |
Non-Patent Citations (1)
| Title |
|---|
| ALCALDIA MAYOR DE BOGOTA D.C.: "Tapas de alcantarillas antirrobo de ETB arroja buenos resultados", 17 January 2014 (2014-01-17), Retrieved from the Internet <URL:http://bogota.gov.co/article/habitat/tapas%20de%20alcantarillas%20antirrobo%20de%20etb%20arroja%20buenos%20resultados> [retrieved on 20150903] * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10920392B2 (en) * | 2017-11-29 | 2021-02-16 | St. Peter Metal Works, LLC | Cover grate for well-site cellars |
| CN108894252A (en) * | 2018-07-13 | 2018-11-27 | 嘉善县干窑小学 | It is a kind of for antitheft underground well lid |
| CN108824614A (en) * | 2018-08-30 | 2018-11-16 | 杨倩 | A kind of filtering well lid for sewer |
| CN113006148A (en) * | 2021-02-26 | 2021-06-22 | 隋明翰 | Warning monitoring device and inspection well system |
Also Published As
| Publication number | Publication date |
|---|---|
| CL2015001205A1 (en) | 2015-09-04 |
| CO7120271A1 (en) | 2014-11-20 |
| AR100276A1 (en) | 2016-09-21 |
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