US2812104A - Self leveling storing and dispensing apparatus - Google Patents

Self leveling storing and dispensing apparatus Download PDF

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Publication number
US2812104A
US2812104A US467555A US46755554A US2812104A US 2812104 A US2812104 A US 2812104A US 467555 A US467555 A US 467555A US 46755554 A US46755554 A US 46755554A US 2812104 A US2812104 A US 2812104A
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Prior art keywords
storing
dispensing apparatus
self
carrier
leveling
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US467555A
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Carl H Larsen
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AMF Inc
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AMF Inc
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    • 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
    • B65G1/07—Storage devices mechanical with means for presenting articles for removal at predetermined position or level the upper article of a pile being always presented at the same predetermined level

Definitions

  • An object of this invention is to provide an improved self-leveling dispenser for storing bulk material wherein the slots through which the carrier arms project are covered and uncovered as the carrier descends and ascends.
  • Another object of this application is to provide a thin flexible covering tape which will be pulled down in front ofthe slot as the carrier is loaded, so as to prevent bulk material from falling into the slot.
  • Fig. 1 is a sectional side elevation of my improved storing and dispensing apparatus.
  • Fig. 2 is a sectional end elevation taken on the line 22 of Fig. 1.
  • the self-leveling, storing and dispensing apparatus I have used to illustrate the invention consists of a rectangular base to which is secured an upright rectangular shell formed by the walls 14, 16, 18 and 20 surrounding the vertically movable cantilever carrier.
  • the latter consists of a pair of spaced carrier supports 22 each of which protrudes with one end through a vertical slot 25 and 26 respectively of a vertical separator wall 24 secured within the shell and spaced adjacent to the end wall 14.
  • the separator wall 24 is secured to the two side walls 18 and 20 of the shell by means of a pair of upright angle irons 12 which also provide a suitable amount of rigidity to the ends of said wall.
  • each carrier support 22 To the end portion 28 of each carrier support 22 are pivotally mounted two rollers 30 and 32 arranged and spaced in such a manner that rollers 30 of the two carrier supports contact one side of the upright separator wall 24 while the rollers 32 engaged with the respective flanges of the upright angle irons 12 on the opposite side of said wall 24.
  • a tray 34 is mounted on the cantilever support 22 for holding and supporting the bottom of the bulk material stacked in the self-leveling, storing and dispensing apparatus.
  • Sprocket chains 36 are connected at one end to the carrier support portions 28 and pass upwardly around sprocket 38, then downwardly and upwardly around sprockets 40 to an anchorage 41 to whichthe ends of the sprocket chain are secured by means of a suitable bolt 43 and nut 45.
  • the loop in the sprocket chain 36 in which the sprockets 40 are supported moves up and down opposite to the movement of the carrier 22.
  • the sprockets 48 are mounted on a saddle shaft 42.
  • One end of the calibrated tension springs 44 is connected to the saddle shaft 42 while the other end of the calibrated tension springs 44 is fixedly connected to the base 10 of the self-leveling dispenser by means of a suitable anchor 46.
  • a pair of rollers 48 are mounted for free rotary movement on the same shaft 37 as supports the sprockets 38 and a second set of rollers 50 is pivoted to a pair of stubs 51 in the lower portion of the shell as shown in Fig. l and Fig. 2.
  • the rollers 48 and 51 are so positioned that they will be in front of the slots 25 and 26.
  • a pair of flat steel bands 52 are connected at one end by suitable means such as the angle plates 54 to the carrier support 22 and extend upwardly covering the front of the slots 25 anl 26 and pass in through the enlarged portions 27 and 29 at the upper end of said slots 25 and 26 and then over the rollers 48, then downwardly around the lower rollers 50 and then upwardly again to the portion 28 of carrier arms 22.
  • the end of the bands 52 is connected to the portion 28 by suitable means such as the bolt 56.
  • a suitable spring 58 interconnects the bolt 56 and the end of the flat steel tapes 52 to apply a slight tension to the flat steel spring 52.
  • the entire self-leveling, storing and dispensing apparatus may be movably supported by mounting corners of the base 10 on suitable casters 60.
  • the empty carrier has been shown in a partially depressed position which it would occupy if it were half loaded with material.
  • No material has been shown supported on top of the pan 34 to facilitate illustrating the structure of the selfleveling, storing and dispensing apparatus.
  • the self-leveling, storing and dispensing apparatus may be briefly described as follows. When the self-leveling, storing and disepensing apparatus is empty the cantilever bracket will be in its uppermost position so that the arms 28 touch the top of the slots 27 and 29 which limits the distance the cantilever platform 22 can travel when the unit is empty.
  • the steel springs 52 in descending in front of the slots 25 and 26 prevent the bulk material from falling into these slots.
  • the cantilever platform 22 is moved upwardly, under the action of the calibrated counterbalancing tension springs.
  • the cantilever platform 22 moves upwardly, because of the fact that the opposite end of the steel tapes 52 are also connected to the cantilever support 22, it pulls the tape upwardly in front of the slots, so that at all times the slot is covered and the tape 52 moves a distance corresponding to the distance the carrier platform 22 is moved.
  • a self-leveling, storing and dispensing apparatus comprising a base, walls extending upwardly from said base, defining a shell, a material storing platform in said shell traveling up and down relative to one wall thereof, said one wall having a slotted opening formed therein for receiving an arm of said platform, eounterbalancing means on the outside of said one wall extending downwardly from the top thereof and connected to said arm for counterbalancing the weight of the material supported on said platform so as to maintain the top of the material at a constant elevation, a steel tape passing over the top of the saidone wall and downwardly within the shell in front of said slot and having one end thereof connected to said arm to close off said slot as said materialsup porting platform descends to prevent material from falling into said slot.
  • a self leveling, storing, and dispensingapparatus comprising a base, walls extending upwardly from said base and defining a shell, a material storing platform in said shell traveling up and down relative to said shell, one of said walls having a vertically slotted opening formed therein, an arm extending from said platform, through said slotted opening, counterbalancing means mounted on the other side of said wall and movable up and down relative to said slot and connected to said arm for counterbalancing the weight of the material supported on said platform so as to maintain the top of the material at a constant elevation, a steel tape passing downwardly inside of said shell from the top of the wall having the slotted opening and in front of the slot, one end of said tape being connected to said arm to close 01f said slot as said material supporting platform descends to prevent material from falling into said slot.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Description

Nov. 5, 1957 c. H. LARSEN 2,812,104
SELF LEVELING STORING AND DISPENSING APPARATUS Filed Nov. 8; 1954 2 Sheets-Sheet 1 FIG. I
INVENTOR CARL H. LARSEN 7-May ATTO R N EY Nov. 5, 1957 c. H. LARSEN 2,812,104
I SELF LEVELING STORING AND DISPENSING APPARATUS Filed Nov. 8, 1954 2 Sheets-Sheet 2 INVENTOR CARL H. LARSEN amsaij ATTORNEY United States Patent Ofiice Patented Nov. 5, 1957 SELF LEVELING STORING AND DISPENSIN APPARATUS I I Carl H. Larsen, Brooklyn, N. Y., assignor to American Machine & Foundry Company, a corporation Application November 8, 1954, Serial No. 467,555 2 Claims. (Cl. 220-93) This invention relates to an improved self-leveling, storing and dispensing apparatus and particularly to apparatus of the type employed for storing material in bulk.
Heretofore various types of self-leveling dispensers have been designed, including structures suitable for storing material in bulk without the use of tote boxes. One difficulty frequently encountered in storing material in bulk was due to the bulk material falling into the slot through which the table carrier arms projected. Even though these slots were made as small as possible, the bulk material, especially when it was of a small size and irregular shape, would catch in the slot, thereby preventing the carrier from ascending.
An object of this invention is to provide an improved self-leveling dispenser for storing bulk material wherein the slots through which the carrier arms project are covered and uncovered as the carrier descends and ascends.
Another object of this application is to provide a thin flexible covering tape which will be pulled down in front ofthe slot as the carrier is loaded, so as to prevent bulk material from falling into the slot.
Other objects and features of the invention will appear as the description of the particular physical embodiment selected to illustrate the invention progresses. In the accompanying drawings, which form a part of this specification, like characters of reference have been applied to corresponding parts throughoutthe several views which make up the drawings.
Fig. 1 is a sectional side elevation of my improved storing and dispensing apparatus.
Fig. 2 is a sectional end elevation taken on the line 22 of Fig. 1.
The self-leveling, storing and dispensing apparatus I have used to illustrate the invention consists of a rectangular base to which is secured an upright rectangular shell formed by the walls 14, 16, 18 and 20 surrounding the vertically movable cantilever carrier. The latter consists of a pair of spaced carrier supports 22 each of which protrudes with one end through a vertical slot 25 and 26 respectively of a vertical separator wall 24 secured within the shell and spaced adjacent to the end wall 14. The separator wall 24 is secured to the two side walls 18 and 20 of the shell by means of a pair of upright angle irons 12 which also provide a suitable amount of rigidity to the ends of said wall.
To the end portion 28 of each carrier support 22 are pivotally mounted two rollers 30 and 32 arranged and spaced in such a manner that rollers 30 of the two carrier supports contact one side of the upright separator wall 24 while the rollers 32 engaged with the respective flanges of the upright angle irons 12 on the opposite side of said wall 24. A tray 34 is mounted on the cantilever support 22 for holding and supporting the bottom of the bulk material stacked in the self-leveling, storing and dispensing apparatus.
Sprocket chains 36 are connected at one end to the carrier support portions 28 and pass upwardly around sprocket 38, then downwardly and upwardly around sprockets 40 to an anchorage 41 to whichthe ends of the sprocket chain are secured by means of a suitable bolt 43 and nut 45. The loop in the sprocket chain 36 in which the sprockets 40 are supported moves up and down opposite to the movement of the carrier 22.
The sprockets 48 are mounted on a saddle shaft 42. One end of the calibrated tension springs 44 is connected to the saddle shaft 42 while the other end of the calibrated tension springs 44 is fixedly connected to the base 10 of the self-leveling dispenser by means of a suitable anchor 46.
A pair of rollers 48 are mounted for free rotary movement on the same shaft 37 as supports the sprockets 38 and a second set of rollers 50 is pivoted to a pair of stubs 51 in the lower portion of the shell as shown in Fig. l and Fig. 2. The rollers 48 and 51 are so positioned that they will be in front of the slots 25 and 26.
A pair of flat steel bands 52 are connected at one end by suitable means such as the angle plates 54 to the carrier support 22 and extend upwardly covering the front of the slots 25 anl 26 and pass in through the enlarged portions 27 and 29 at the upper end of said slots 25 and 26 and then over the rollers 48, then downwardly around the lower rollers 50 and then upwardly again to the portion 28 of carrier arms 22. The end of the bands 52 is connected to the portion 28 by suitable means such as the bolt 56. A suitable spring 58 interconnects the bolt 56 and the end of the flat steel tapes 52 to apply a slight tension to the flat steel spring 52.
The entire self-leveling, storing and dispensing apparatus may be movably supported by mounting corners of the base 10 on suitable casters 60. The empty carrier has been shown in a partially depressed position which it would occupy if it were half loaded with material. No material has been shown supported on top of the pan 34 to facilitate illustrating the structure of the selfleveling, storing and dispensing apparatus.
The operation of the self-leveling, storing and dispensing apparatus may be briefly described as follows. When the self-leveling, storing and disepensing apparatus is empty the cantilever bracket will be in its uppermost position so that the arms 28 touch the top of the slots 27 and 29 which limits the distance the cantilever platform 22 can travel when the unit is empty.
When bulk material is placed on top of the pan 34 it causes the cantilever support 22 to move downwardly pulling with it the sprocket chains 36 and the steel tapes 52. When the sprocket chains 36 are pulled downwardly in this manner they shorten the loop in which the sprockets 40 are supported, thereby causing the counterbalancing springs to be stretched. The cantilever platform 22 is allowed to descend by the counterbalancing springs a distance under the weight of the material placed on the carrier which will maintain the top of the material supported thereon at a substantially constant elevation.
The steel springs 52 in descending in front of the slots 25 and 26 prevent the bulk material from falling into these slots. When the material is unloaded from the selfleveling, storing and dispensing apparatus, the cantilever platform 22 is moved upwardly, under the action of the calibrated counterbalancing tension springs. As the cantilever platform 22 moves upwardly, because of the fact that the opposite end of the steel tapes 52 are also connected to the cantilever support 22, it pulls the tape upwardly in front of the slots, so that at all times the slot is covered and the tape 52 moves a distance corresponding to the distance the carrier platform 22 is moved.
It will be appreciated that while I have shown a cantilever platform used with my invention it is also possible to employ this invention with either more or fewer slots than shown. For example, apparatus having a single slot, such as shown in U. S. Patent 2,692,177, granted to Carl H. Larsen on October 19, 1954, an apparatus having four slots such as shown in U. S. Patent 2,626,727, granted to William Gibbs et al. on January 27, 1953, may advantageously employ this invention;
The invention hereinabove described may be varied in construction within the scope of the claims, forthe particular device selected to illustrate the invention is but one of many possible embodiments of the same. The invention, therefore, is not to be restricted to the precise details of the structure shown and described.
What is claimed is:
l. A self-leveling, storing and dispensing apparatus comprising a base, walls extending upwardly from said base, defining a shell, a material storing platform in said shell traveling up and down relative to one wall thereof, said one wall having a slotted opening formed therein for receiving an arm of said platform, eounterbalancing means on the outside of said one wall extending downwardly from the top thereof and connected to said arm for counterbalancing the weight of the material supported on said platform so as to maintain the top of the material at a constant elevation, a steel tape passing over the top of the saidone wall and downwardly within the shell in front of said slot and having one end thereof connected to said arm to close off said slot as said materialsup porting platform descends to prevent material from falling into said slot.
2. A self leveling, storing, and dispensingapparatus comprising a base, walls extending upwardly from said base and defining a shell, a material storing platform in said shell traveling up and down relative to said shell, one of said walls having a vertically slotted opening formed therein, an arm extending from said platform, through said slotted opening, counterbalancing means mounted on the other side of said wall and movable up and down relative to said slot and connected to said arm for counterbalancing the weight of the material supported on said platform so as to maintain the top of the material at a constant elevation, a steel tape passing downwardly inside of said shell from the top of the wall having the slotted opening and in front of the slot, one end of said tape being connected to said arm to close 01f said slot as said material supporting platform descends to prevent material from falling into said slot.
References Cited in the file of this patent UNITED STATES PATENTS 733,418 Park July 14, 1903 1,144,928 Adair et al. June 29, 1915 1,789,773 Rasch Jan. 20, 1931 2,392,604 Mallory Jan. 8, 1946 2,536,848 Hoffmann Jan. 2, 1951 2,626,727 Gibbs et al. Jan. 27, 1953 2,692,177 Larsen Oct. 19, 1954
US467555A 1954-11-08 1954-11-08 Self leveling storing and dispensing apparatus Expired - Lifetime US2812104A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2932403A (en) * 1958-05-27 1960-04-12 Serv O Lift Corp Serving mechanism
US2932404A (en) * 1958-05-27 1960-04-12 Serv O Lift Corp Serving mechanism
US2968301A (en) * 1957-10-02 1961-01-17 Robert J Cowart Barbecue apparatus having adjustable fire lift
US3104141A (en) * 1960-06-30 1963-09-17 Air France Device for distributing trays of food
DE1208249B (en) * 1959-07-27 1965-12-30 American Mach & Foundry Lifting stand
DE1214609B (en) * 1960-08-16 1966-04-14 American Mach & Foundry Device with automatic height adjustment of a carrying device used to pick up objects
US3415586A (en) * 1967-06-12 1968-12-10 James F. Hammond Cabinet shelf elevator and control
US3666114A (en) * 1970-08-05 1972-05-30 Ardell Davis Display rack
US3807821A (en) * 1972-07-26 1974-04-30 Amf Inc Dispenser
EP0128373A2 (en) * 1983-06-04 1984-12-19 Hans Hermann Trautwein Collecting and settling device for empty bottles
WO1997001976A1 (en) * 1995-07-06 1997-01-23 Tord Elversson Box for storing and simultaneously exposing small goods
US6035973A (en) * 1995-03-09 2000-03-14 Ergonomics Specialists Device for and method of vertically adjusting parts in a bin
US6044932A (en) * 1995-03-09 2000-04-04 Ergonomics Specialists Ergonomic parts bin elevator with integral springs
US6364330B1 (en) 1997-04-21 2002-04-02 Problem Solvers Co. Ergonomic platform truck
US6363738B2 (en) * 2000-03-27 2002-04-02 Mitsubishi Denki Kabushiki Kaisha Refrigerator
US6634668B2 (en) * 2001-08-06 2003-10-21 Urffer, Iii Russel Collapsible display cart
US20040086367A1 (en) * 2002-10-23 2004-05-06 Harold Isaacs Transport cart
US6899347B2 (en) 1997-04-21 2005-05-31 Matthew Z. Neal Ergonomic merchandiser
US20050236787A1 (en) * 1997-04-21 2005-10-27 Weber Dennis R Biasing means adjustment mechanism and method
DE102007059074A1 (en) * 2007-12-07 2009-06-10 Retec Gmbh Collecting box for accommodating and storage of glass bottle in vending machine, has outer and inner elements sliding telescopingly into each other such that outer element is exclusively fixed at frames and inner element includes base
US20230249908A1 (en) * 2020-07-09 2023-08-10 Conteyor International Nv Storage rack with a vertically movable compartment system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US733418A (en) * 1903-01-20 1903-07-14 Thomas M Park Automatic loading device.
US1144928A (en) * 1914-10-03 1915-06-29 Charles R Adair Delivering-cabinet.
US1789773A (en) * 1929-05-23 1931-01-20 Rasch Henry Nicklous Display container
US2392604A (en) * 1944-03-04 1946-01-08 Mallory Clyde Receptacle for loose discarded materials
US2536848A (en) * 1945-10-08 1951-01-02 Hoffmann Ernest Movable outlet for fluids
US2626727A (en) * 1948-09-08 1953-01-27 American Mach & Foundry Material receiving, storing, and dispensing apparatus
US2692177A (en) * 1950-12-23 1954-10-19 American Mach & Foundry Self-leveling, storing, and dispensing apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US733418A (en) * 1903-01-20 1903-07-14 Thomas M Park Automatic loading device.
US1144928A (en) * 1914-10-03 1915-06-29 Charles R Adair Delivering-cabinet.
US1789773A (en) * 1929-05-23 1931-01-20 Rasch Henry Nicklous Display container
US2392604A (en) * 1944-03-04 1946-01-08 Mallory Clyde Receptacle for loose discarded materials
US2536848A (en) * 1945-10-08 1951-01-02 Hoffmann Ernest Movable outlet for fluids
US2626727A (en) * 1948-09-08 1953-01-27 American Mach & Foundry Material receiving, storing, and dispensing apparatus
US2692177A (en) * 1950-12-23 1954-10-19 American Mach & Foundry Self-leveling, storing, and dispensing apparatus

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968301A (en) * 1957-10-02 1961-01-17 Robert J Cowart Barbecue apparatus having adjustable fire lift
US2932403A (en) * 1958-05-27 1960-04-12 Serv O Lift Corp Serving mechanism
US2932404A (en) * 1958-05-27 1960-04-12 Serv O Lift Corp Serving mechanism
DE1208249B (en) * 1959-07-27 1965-12-30 American Mach & Foundry Lifting stand
US3104141A (en) * 1960-06-30 1963-09-17 Air France Device for distributing trays of food
DE1214609B (en) * 1960-08-16 1966-04-14 American Mach & Foundry Device with automatic height adjustment of a carrying device used to pick up objects
US3415586A (en) * 1967-06-12 1968-12-10 James F. Hammond Cabinet shelf elevator and control
US3666114A (en) * 1970-08-05 1972-05-30 Ardell Davis Display rack
US3807821A (en) * 1972-07-26 1974-04-30 Amf Inc Dispenser
EP0128373A2 (en) * 1983-06-04 1984-12-19 Hans Hermann Trautwein Collecting and settling device for empty bottles
EP0128373A3 (en) * 1983-06-04 1985-06-19 Hans Hermann Trautwein Collecting and settling device for empty bottles
US6044932A (en) * 1995-03-09 2000-04-04 Ergonomics Specialists Ergonomic parts bin elevator with integral springs
US6035973A (en) * 1995-03-09 2000-03-14 Ergonomics Specialists Device for and method of vertically adjusting parts in a bin
US5901871A (en) * 1995-07-06 1999-05-11 Elversson; Tord Box for storing and simultaneously exposing small goods
WO1997001976A1 (en) * 1995-07-06 1997-01-23 Tord Elversson Box for storing and simultaneously exposing small goods
US6364330B1 (en) 1997-04-21 2002-04-02 Problem Solvers Co. Ergonomic platform truck
US6899347B2 (en) 1997-04-21 2005-05-31 Matthew Z. Neal Ergonomic merchandiser
US20050236787A1 (en) * 1997-04-21 2005-10-27 Weber Dennis R Biasing means adjustment mechanism and method
US7481440B2 (en) 1997-04-21 2009-01-27 Weber Dennis R Biasing means adjustment mechanism and method
US6363738B2 (en) * 2000-03-27 2002-04-02 Mitsubishi Denki Kabushiki Kaisha Refrigerator
US6634668B2 (en) * 2001-08-06 2003-10-21 Urffer, Iii Russel Collapsible display cart
US20040086367A1 (en) * 2002-10-23 2004-05-06 Harold Isaacs Transport cart
DE102007059074A1 (en) * 2007-12-07 2009-06-10 Retec Gmbh Collecting box for accommodating and storage of glass bottle in vending machine, has outer and inner elements sliding telescopingly into each other such that outer element is exclusively fixed at frames and inner element includes base
DE102007059074B4 (en) * 2007-12-07 2014-05-15 Digi Deutschland GmbH Collecting container for receiving and storing empty containers
US20230249908A1 (en) * 2020-07-09 2023-08-10 Conteyor International Nv Storage rack with a vertically movable compartment system

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