US3840148A - Conveyance equipment which allows the discharge of all or partly of the load by means of an electromagnetic control device - Google Patents

Conveyance equipment which allows the discharge of all or partly of the load by means of an electromagnetic control device Download PDF

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US3840148A
US3840148A US00319693A US31969372A US3840148A US 3840148 A US3840148 A US 3840148A US 00319693 A US00319693 A US 00319693A US 31969372 A US31969372 A US 31969372A US 3840148 A US3840148 A US 3840148A
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door
pawl
armature
compartment
compartments
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US00319693A
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L Fontana
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Redon Trust
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F1/00—Racks for dispensing merchandise; Containers for dispensing merchandise
    • A47F1/04—Racks or containers with arrangements for dispensing articles, e.g. by means of gravity or springs
    • A47F1/08—Racks or containers with arrangements for dispensing articles, e.g. by means of gravity or springs dispensing from bottom
    • A47F1/10—Racks or containers with arrangements for dispensing articles, e.g. by means of gravity or springs dispensing from bottom having mechanical dispensing means, e.g. with buttons or handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • B65G1/06—Storage devices mechanical with means for presenting articles for removal at predetermined position or level
    • B65G1/08—Storage devices mechanical with means for presenting articles for removal at predetermined position or level the articles being fed by gravity
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
    • G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
    • G07F11/04—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
    • G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
    • G07F11/04—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other
    • G07F11/16—Delivery means
    • G07F11/163—Delivery means characterised by blocking access to the output bins

Definitions

  • ABSTRACT Conveyance equipment or a holder which allows the unloading of all or a portion of the load transported, [30] Forelgn Apphcatmn Prmmy Data by means of an electric control device, and comprising Jan. 28, 1972 Italy 2107/72 a Sturdy metal frame Which is divided into a plurality of vertical compartments, the bottom of each com- [52] U.S. Cl 221/153, 221/90, 221/129 partment being closed by a door which can rotate [51] Int. CI.
  • This invention relates in general to devices for storing and releasing loads and, in particular, to a new and useful load transport carrier for carrying a plurality of vertically stacked articles which includes at least one compartment for the articles which has a door closing the bottom thereof which is hinged at one end and held by a movable holder or pawl and which includes electrically operated means for releasing the pawl to open the door for the discharge of the articles.
  • a load transport carrier for carrying a plurality of vertically stacked articles which comprises a container having one or more vertically extending compartments each of which is closed on its lower end by a pivotal door which is held in a closed position by a pawl.
  • the pawl is operated by an electrically controlled solenoid, for example, to release the door so that it may pivot downwardly to permit the movement of the articles out of the compartment by gravity.
  • the device also includes a safety control for anchoring the armature of the individual solenoids so that the pawl cannot be displaced to open the compartments and discharge the load when the device is being transported.
  • an object of the invention to provide an improved load transport carrier which comprises a container having at least one vertically extending compartment with a door closing the bottom thereof which may be released to selectively open any compartment for the discharge of the load therefrom.
  • a further object of the invention is to provide a transport carrier which is simple in design, rugged in construction and economical to manufacture.
  • FIG. I is a schematic transverse sectional view of a container having a plurality of load compartments constructed in accordance with the invention.
  • FIG. 2 is a view similar to FIG. 1 but with the containcr filled with the individual container members each defining a separate compartment;
  • FIG. 3 is a top plan view of the embodiment show in FIG. 2;
  • FIG. 4 is a front elevational view on a reduced scale of the. embodiment shown in either FIGS. 1 or 2.
  • the invention embodied therein comprises in each of the embodiments a container or enclosing frame 14 of a steel or a light alloy which is divided either by dividing walls as shown in FIG. 1 or by individual compartment forming elements as shown in FIGS. 2 and 3 so as to form a plurality of vertically extending compartments for receiving individual loads or articles which are shown as being of spherical shape and which are arranged in individual vertical stacks in each compartment.
  • Each compartment is closed at the bottom by a door 1 which can turn about an axis 3.
  • Each door 1 is prevented from rotating by means of a pawl 4.
  • This pawl 4 in turn can rotate about its axis 5 only when the armature 6 has been attracted by the core 7 of the electromagnet when in the associated coil 8 a suitable electric current is caused to pass.
  • the rotation of a pawl 4 releases thecorresponding door 1, allowing the rotation around the axis 3, which opens the bottom of the corresponding compartment.
  • the load enclosed in said compartment is then freely unloaded by the action of gravity. Therefore, all the times the coil 8 of an electromagnet is energized there is caused the discharge of the load contained in the corresponding compartment.
  • the energization of the various coils 8, of course can be reached by means of both a hand control and an automatic control.
  • the safety device is made up of a tie wire 9 which unites all the locks 10 of all compartments.
  • the tie wire 9 is connected to the armature 11 of an electro-magnet l2 and is kept under tension through a spring 13.
  • the nose '2 of the lock 10 prevents the armature 6 from rotating around its axis 15, thus preventing in turn the rotation of the pawl 4 and thence the rotation of the door I.
  • the locks 10 as shown in FIG. 1 and 2 advantageously comprise a resilient strap or spring member 10a having a block member 106 at their outer ends which engage over the outer ends of the armatures 6 in the locked position and hold the armatures in a position at which they block the pawl 4.
  • the locks 10 are all connected to the tie wire 9 and they are released by energizing the electromagnet 12 to move the plunger 11 and the tie wire to displace the locks 10 and move the block portion 10b off the armature 6 so that it may be attracted against the force of its associate spring 6aby its associated coil 7 to release the pawl 4.
  • the equipment may be made in such a manner that the system of the doors comes to be independent of the vertical compartments in which the load is stowed.
  • the outfit may be made up of a single frame carrying the system of the doors and of a plurality of discrete containers (see FIG. 2 to FIG. 4). After the load has been placed in the various com partments, into which each container is divided, should be taken to introduce the containers themselves into the frame carrying the doors.
  • the containers of course will be constructed in such a manner that the base dimensions of their various compartments are like those of the corresponding doors and that furthermore the different vertical compartments go to position themselves exactly on the corresponding doors.
  • the containers of the embodiment shown it FIG. 4 will be made of a rugged metal or plastics frame and will be equipped with suitable safety members 16 which do not allow the load to go out of the container itself.
  • suitable safety members 16 which do not allow the load to go out of the container itself.
  • the loading of the outfit is carried out after taking care previously of putting the doors into the horizontal closing position.
  • a load transport carrier for carrying a plurality of vertically stacked articles in a plurality of separate compartments, comprising a container having a plurality of vertically extending side by side compartments, a door closing each of said compartments having one end pivoted to one side of said compartment adjacent the bottom end thereof and an opposite end, a movable pawl supporting said opposite end of said door in a position in which said door extends horizontally across the lower end of said compartment, each compartment being substantially unobstructed above said door and being of a size to contain a plurality of vertically stacked articles which rest on said door, and electrically operated solenoid means connected to said pawl for shifting said pawl to release said door to discharge the articles from said compartments including an armature for operating each pawl pivotally mounted adjacent said pawl and having one end engageable with said pawl to hold it in a position to close said door and an electromagnetic coil alongside said armature being excitable to attract said armature to release said pawl and open said door, and

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Mechanical Conveyors (AREA)
  • Catching Or Destruction (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Vending Machines For Individual Products (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Selective Calling Equipment (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)

Abstract

Conveyance equipment or a holder which allows the unloading of all or a portion of the load transported, by means of an electric control device, and comprising a sturdy metal frame which is divided into a plurality of vertical compartments, the bottom of each compartment being closed by a door which can rotate about a pin for the opening of the bottom itself, so as to allow the load contained in each compartment, to go out by the action of gravity, each door being combined with an electro-magnetic device which prevents the doors from turning; this door is opened by means of a horizontal armature of said magnetic device and a vertical pawl engaged with the free end of the respective door.

Description

United States Patent 1191 Fontana CONVEYANCE EQUIPMENT WHICH ALLOWS THE DISCHARGE OF ALL OR PARTLY OF THE LOAD BY MEANS OF AN ELECTROMAGNETIC CONTROL DEVICE Oct. 8, 1974 FOREIGN PATENTS OR APPLICATIONS 792,140 12/1935 France 221/153 Primary ExaminerRobert B. Reeves [76] Inventor: Ludovico Fontana, Via Principe A i t t Exa iner-H, Grant Skaggs AmedeO Bari, t y Attorney, Agent, or FirmMcGlew and Tuttle [22] Filed: Dec. 29, 1972 21 App]. No.: 319,693 [57] ABSTRACT Conveyance equipment or a holder which allows the unloading of all or a portion of the load transported, [30] Forelgn Apphcatmn Prmmy Data by means of an electric control device, and comprising Jan. 28, 1972 Italy 2107/72 a Sturdy metal frame Which is divided into a plurality of vertical compartments, the bottom of each com- [52] U.S. Cl 221/153, 221/90, 221/129 partment being closed by a door which can rotate [51] Int. CI. 865g 59/00 about a pinfor the Opening of the bottom itself so as [58] Field Of Search 221/90,- 129, 151, 152, to allow the load Contained in each compartment to 221/153, 295, 197, 154; 133/5 R, 5 B go out by the action of gravity, each door being combined with an electro-magnetic device which prevents [561 References C'ted the doors from turning; this door is opened by means UNITED STATES PATENTS of a horizontal armature of said magnetic device and a 505,793 9/1893 Henry 221/153 vertical P g g with the free end of the p 2 279 ()93 4/1942 Peters.... 221/129 tive C1001. 2,608,131 8/1952 Pearce 221 90 X 2.989.165 6/1961 Cozart 221/129 1 Claim, 4 Drawlng Figures Z E Z E J 5 1 7 1 15 JQQ s) 5 go 51 p 1.- :i i? "leg/ m I 5 E 6% a I t a I 1 1 l I 10 /4 /04 6a V05) 9 7 5 g 5 PATENIEB 31974 v 3,840,148
CONVEYANCE EQUIPMENT WHICH ALLOWS THE DISCHARGE OF ALL OR PARTLY OF THE LOAD BY MEANS OF AN ELECTROMAGNETIC CONTROL DEVICE BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates in general to devices for storing and releasing loads and, in particular, to a new and useful load transport carrier for carrying a plurality of vertically stacked articles which includes at least one compartment for the articles which has a door closing the bottom thereof which is hinged at one end and held by a movable holder or pawl and which includes electrically operated means for releasing the pawl to open the door for the discharge of the articles.
2. Description of the Prior Art In so many circumstances there is the need of having at disposal equipment which is able to allow the conveyance and the discharge of all or a part of the load, through the simple sending of electric power impulses, by resorting to an automatic control as well as hand control.
SUMMARY OF THE INVENTION In accordance with the invention there is provided a load transport carrier for carrying a plurality of vertically stacked articles which comprises a container having one or more vertically extending compartments each of which is closed on its lower end by a pivotal door which is held in a closed position by a pawl. The pawl is operated by an electrically controlled solenoid, for example, to release the door so that it may pivot downwardly to permit the movement of the articles out of the compartment by gravity. The device also includes a safety control for anchoring the armature of the individual solenoids so that the pawl cannot be displaced to open the compartments and discharge the load when the device is being transported.
Accordingly, it is an object of the invention to provide an improved load transport carrier which comprises a container having at least one vertically extending compartment with a door closing the bottom thereof which may be released to selectively open any compartment for the discharge of the load therefrom.
A further object of the invention is to provide a transport carrier which is simple in design, rugged in construction and economical to manufacture.
For an understanding of the principles of the invention, reference is made to the following description of typical embodiments thereof as illustrated in the accompanying drawing.
BRIEF DESCRIPTION OF THE DRAWING In the drawing:
FIG. I is a schematic transverse sectional view of a container having a plurality of load compartments constructed in accordance with the invention;
FIG. 2 is a view similar to FIG. 1 but with the containcr filled with the individual container members each defining a separate compartment;
FIG. 3 is a top plan view of the embodiment show in FIG. 2; and
FIG. 4 is a front elevational view on a reduced scale of the. embodiment shown in either FIGS. 1 or 2.
GENERAL DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawing in particular the invention embodied therein comprises in each of the embodiments a container or enclosing frame 14 of a steel or a light alloy which is divided either by dividing walls as shown in FIG. 1 or by individual compartment forming elements as shown in FIGS. 2 and 3 so as to form a plurality of vertically extending compartments for receiving individual loads or articles which are shown as being of spherical shape and which are arranged in individual vertical stacks in each compartment.
Each compartment is closed at the bottom by a door 1 which can turn about an axis 3. Each door 1 is prevented from rotating by means of a pawl 4. This pawl 4 in turn can rotate about its axis 5 only when the armature 6 has been attracted by the core 7 of the electromagnet when in the associated coil 8 a suitable electric current is caused to pass. The rotation of a pawl 4 releases thecorresponding door 1, allowing the rotation around the axis 3, which opens the bottom of the corresponding compartment. The load enclosed in said compartment is then freely unloaded by the action of gravity. Therefore, all the times the coil 8 of an electromagnet is energized there is caused the discharge of the load contained in the corresponding compartment.
The energization of the various coils 8, of course can be reached by means of both a hand control and an automatic control.
It is absolutely necessary that the conveyance of the load should take place with the utmost safety. Therefore the equipment is completed with a safety contrivance.
It is indeed needed to warrant that the doors cannot open haphazard because of vibrations or shocks.
The safety device is made up of a tie wire 9 which unites all the locks 10 of all compartments. The tie wire 9 is connected to the armature 11 of an electro-magnet l2 and is kept under tension through a spring 13. In the position of safety the nose '2 of the lock 10 prevents the armature 6 from rotating around its axis 15, thus preventing in turn the rotation of the pawl 4 and thence the rotation of the door I.
When the electro-magnet 12 is energized, the armature 11 is pulled inside the electro-magnet therefore the tie wire recedes from all the noses 2 of the locks 10 for the associated armatures 6. In this position the armatures 6 can rotate freely when the respective coils 8 are energized. The locks 10, as shown in FIG. 1 and 2 advantageously comprise a resilient strap or spring member 10a having a block member 106 at their outer ends which engage over the outer ends of the armatures 6 in the locked position and hold the armatures in a position at which they block the pawl 4. The locks 10 are all connected to the tie wire 9 and they are released by energizing the electromagnet 12 to move the plunger 11 and the tie wire to displace the locks 10 and move the block portion 10b off the armature 6 so that it may be attracted against the force of its associate spring 6aby its associated coil 7 to release the pawl 4.
Of course, without departing from the boundaries of the instant invention, the equipment may be made in such a manner that the system of the doors comes to be independent of the vertical compartments in which the load is stowed. For example, the outfit may be made up of a single frame carrying the system of the doors and of a plurality of discrete containers (see FIG. 2 to FIG. 4). After the load has been placed in the various com partments, into which each container is divided, should be taken to introduce the containers themselves into the frame carrying the doors. The containers of course will be constructed in such a manner that the base dimensions of their various compartments are like those of the corresponding doors and that furthermore the different vertical compartments go to position themselves exactly on the corresponding doors.
The containers of the embodiment shown it FIG. 4 will be made of a rugged metal or plastics frame and will be equipped with suitable safety members 16 which do not allow the load to go out of the container itself. When the container is accommodated in the conveyance outfit it is necessary to draw out the safety device 16 from its seat in order to allow the cargo to rest on the doors 1.
It is apparent that at each opening operation of the door there will correspond the unloading of part of the load accommodated in the corresponding compartment of the container.
The loading of the outfit is carried out after taking care previously of putting the doors into the horizontal closing position.
When the unloading of a part or of all the load conveyed is desired, it will be necessary first to energize the electro-magnet which controls the safety device and afterwards to energize electrically as many coils as are the doors which are desired to be acted on.
While specific embodiments of the invention have been shown and described in detail to illustrate the application of the principles of the invention, it will be understood that the invention may be embodied otherwise without departing from such principles. What I claim is: 1
l. A load transport carrier for carrying a plurality of vertically stacked articles in a plurality of separate compartments, comprising a container having a plurality of vertically extending side by side compartments, a door closing each of said compartments having one end pivoted to one side of said compartment adjacent the bottom end thereof and an opposite end, a movable pawl supporting said opposite end of said door in a position in which said door extends horizontally across the lower end of said compartment, each compartment being substantially unobstructed above said door and being of a size to contain a plurality of vertically stacked articles which rest on said door, and electrically operated solenoid means connected to said pawl for shifting said pawl to release said door to discharge the articles from said compartments including an armature for operating each pawl pivotally mounted adjacent said pawl and having one end engageable with said pawl to hold it in a position to close said door and an electromagnetic coil alongside said armature being excitable to attract said armature to release said pawl and open said door, and a safety device connected to said armature and holding it in engagement with said pawl to keepsaid door closed during transportation said safety device includes a lever alongside said armature engageable with the end thereof which is opposite to the end engageable with said pawl and holding said armature in engagement with said pawl, a connecting cable connected to each of said levers, spring means connected to said cable and holding all of said levers in engagement with respective armatures and an electromagnet connected to said cable to move said cable in a direction opposite to said spring biasing said cable to release said levers from engagement with said armatures.

Claims (1)

1. A load transport carrier for carrying a plurality of vertically stacked articles in a plurality of separate compartments, comprising a container having a plurality of vertically extending side by side compartments, a door closing each of said compartments having one end pivoted to one side of said compartment adjacent the bottom end thereof and an opposite end, a movable pawl supporting said opposite end of said door in a position in which said door extends horizontally across the lower end of said compartment, each compartment being substantially unobstructed above said door and being of a size to contain a plurality of vertically stacked articles which rest on said door, and electrically operated solenoid means connected to said pawl for shifting said pawl to release said door to discharge the articles from said compartments including an armature for operating each pawl pivotally mounted adjacent said pawl and having one end engageable with said pawl to hold it in a position to close said door and an electromagnetic coil alongside said armature being excitable to attract said armature to release said pawl and open said door, and a safety device connected to said armature and holding it in engagement with said pawl to keep said door closed during transportation said safety device includes a lever alongside said armature engageable with the end thereof which is opposite to the end engageable with said pawl and holding said armature in engagement with said pawl, a connecting cable connected to each of said levers, spring means connected to said cable and holding all of said levers in engagement with respective armatures and an electromagnet connected to said cable to move said cable in a direction opposite to said spring biasing said cable to release said levers from engagement with said armatures.
US00319693A 1972-01-28 1972-12-29 Conveyance equipment which allows the discharge of all or partly of the load by means of an electromagnetic control device Expired - Lifetime US3840148A (en)

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IT2107/72A IT951730B (en) 1972-01-28 1972-01-28 TRANSPORT EQUIPMENT THAT WITH HEARS THE UNLOADING OF ALL OR PART OF THE TRANSPORTED LOAD WITH ELECTROMAGNETIC COMAN DO

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JP (1) JPS4930785A (en)
BR (1) BR7300538D0 (en)
DE (1) DE2302337C2 (en)
ES (1) ES410940A1 (en)
FR (1) FR2174561A5 (en)
GB (1) GB1362353A (en)
IL (1) IL41185A (en)
IT (1) IT951730B (en)
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US4804107A (en) * 1985-09-13 1989-02-14 Bergstedth Henri Device in a vending machine
US5181818A (en) * 1988-04-28 1993-01-26 Kao Corporation Method for shifting goods and apparatus therefor
US5437928A (en) * 1993-10-29 1995-08-01 Ppg Industries, Inc. Glass fiber size and mat
US20100031685A1 (en) * 2008-08-05 2010-02-11 F. Hoffmann-La Roche Ag Convection Barrier
CN101973401A (en) * 2010-10-21 2011-02-16 哈尔滨工程大学 Modularized intelligent nacelle for throwing forest fire-extinguishing bomb
US8307614B1 (en) 2009-10-20 2012-11-13 Stephen Louie Support assembly and method
CN106043698A (en) * 2016-06-08 2016-10-26 青海山水生态科技有限公司 Unmanned aerial vehicle hung type fire extinguishing bomb throwing bin and method
CN106114862A (en) * 2016-08-01 2016-11-16 北京理工大学 Built-in type ammunition electromagnetic launch device on depopulated helicopter
CN110239714A (en) * 2019-06-19 2019-09-17 北京理工伺服科技有限公司 A kind of airborne multiple fast automatic bomb rack control of unlocking type fire extinguishing bomb
WO2021134952A1 (en) * 2019-12-30 2021-07-08 江苏数字鹰科技股份有限公司 Fire extinguishing device for police unmanned aerial vehicle

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CH581369A5 (en) * 1974-11-22 1976-10-29 Neuhaeusser Horst
DE3817853A1 (en) * 1988-05-26 1989-11-30 Honebein Horst GOODS MAGAZINE
DE4209558A1 (en) * 1992-03-21 1993-09-23 Otto Versand Gmbh & Co System for sorting out different goods for despatch - has several storage containers associated constantly with supply and delivery lines for batch time allocation
GB9219621D0 (en) * 1992-09-16 1992-10-28 Hagen International Uk Limited Apparatus for dispensing golf balls

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US505793A (en) * 1893-09-26 Vending-machine
FR792140A (en) * 1934-09-22 1935-12-23 Electric token dispenser
US2279093A (en) * 1940-10-28 1942-04-07 Peters Louis Vending machine
US2608131A (en) * 1945-01-17 1952-08-26 Gen Motors Corp Bomb release system
US2989165A (en) * 1956-07-12 1961-06-20 Robert T Cozart Vending machine

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804107A (en) * 1985-09-13 1989-02-14 Bergstedth Henri Device in a vending machine
US5181818A (en) * 1988-04-28 1993-01-26 Kao Corporation Method for shifting goods and apparatus therefor
US5332363A (en) * 1988-04-28 1994-07-26 Kao Corporation Method for shifting goods and apparatus therefor
US5427492A (en) * 1988-04-28 1995-06-27 Kao Corporation Method for shifting goods and apparatus therefor
US5437928A (en) * 1993-10-29 1995-08-01 Ppg Industries, Inc. Glass fiber size and mat
US5648169A (en) * 1993-10-29 1997-07-15 Ppg Industries, Inc. Glass fiber size and mat
EP2154455A1 (en) * 2008-08-05 2010-02-17 F. Hoffmann-Roche AG Convection barrier
EP2154456A1 (en) * 2008-08-05 2010-02-17 F. Hoffmann-La Roche AG Convection barrier
US20100031685A1 (en) * 2008-08-05 2010-02-11 F. Hoffmann-La Roche Ag Convection Barrier
US8307614B1 (en) 2009-10-20 2012-11-13 Stephen Louie Support assembly and method
CN101973401A (en) * 2010-10-21 2011-02-16 哈尔滨工程大学 Modularized intelligent nacelle for throwing forest fire-extinguishing bomb
CN101973401B (en) * 2010-10-21 2012-06-06 哈尔滨工程大学 Modularized intelligent nacelle for throwing forest fire-extinguishing bomb
CN106043698A (en) * 2016-06-08 2016-10-26 青海山水生态科技有限公司 Unmanned aerial vehicle hung type fire extinguishing bomb throwing bin and method
CN106114862A (en) * 2016-08-01 2016-11-16 北京理工大学 Built-in type ammunition electromagnetic launch device on depopulated helicopter
CN110239714A (en) * 2019-06-19 2019-09-17 北京理工伺服科技有限公司 A kind of airborne multiple fast automatic bomb rack control of unlocking type fire extinguishing bomb
WO2021134952A1 (en) * 2019-12-30 2021-07-08 江苏数字鹰科技股份有限公司 Fire extinguishing device for police unmanned aerial vehicle

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GB1362353A (en) 1974-08-07
IL41185A0 (en) 1973-02-28
ES410940A1 (en) 1976-01-01
ZA73581B (en) 1973-10-31
NO140177B (en) 1979-04-09
DE2302337A1 (en) 1973-08-02
IL41185A (en) 1975-10-15
NO140177C (en) 1979-07-18
DE2302337C2 (en) 1986-03-06
IT951730B (en) 1973-07-10
JPS4930785A (en) 1974-03-19
FR2174561A5 (en) 1973-10-12
AU5138173A (en) 1974-07-25
BR7300538D0 (en) 1973-09-27

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