US20110023790A1 - Cage with micro filter top - Google Patents

Cage with micro filter top Download PDF

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Publication number
US20110023790A1
US20110023790A1 US12902499 US90249910A US20110023790A1 US 20110023790 A1 US20110023790 A1 US 20110023790A1 US 12902499 US12902499 US 12902499 US 90249910 A US90249910 A US 90249910A US 20110023790 A1 US20110023790 A1 US 20110023790A1
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US
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Patent type
Prior art keywords
cage
cover
stacking
animal
surface
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.)
Abandoned
Application number
US12902499
Inventor
Richard Ver Hage
Glenn R. Ver Hage
Henry W. Ver Hage
Original Assignee
Richard Ver Hage
Ver Hage Glenn R
Ver Hage Henry W
Priority date (The priority date 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 date listed.)
Filing date
Publication date

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/02Pigsties; Dog-kennels; Rabbit-hutches or the like
    • A01K1/03Housing for domestic or laboratory animals
    • A01K1/031Cages for laboratory animals; Cages for measuring metabolism of animals

Abstract

A cage and cage cover combination having a cage cover having a plurality of stacking lugs on its upper surface, at least one stacking lug located in a middle region of the upper surface of the cover and at least one stacking lug located at a side region of the upper surface of the cover. The combination also includes an animal cage having a plurality of locating rings arranged in a middle region of its lower surface, where the at least one stacking lug located in the middle region of the upper surface of the cove is configured to couple with at least one locating ring of the lower surface of the animal cage and where the at least one stacking lug located at the side region of the upper surface of the cover is configured to match up to an lower edge of the bottom surface of the cage, such that when an animal cage is lowered onto the cage cover, the animal cage is securely retained on top of the cage cover.

Description

    RELATED APPLICATION
  • [0001]
    This application is a continuation of U.S. Pat. No. 12/472,541, filed on May 27, 2009 which claims the benefit of priority from U.S. Provisional Patent Application No. 61/130,183, filed on May 28, 2008, the entirety of which are incorporated by reference.
  • BACKGROUND
  • [0002]
    1. Field of the Invention
  • [0003]
    This application relates to animal cages and animal cage covers. More particularly, this application relates to animal cages and animal cage covers for improved stacking.
  • [0004]
    2. Background
  • [0005]
    In the area of animal cages and animal cage covers, such as transparent polymer animal cages, frequent cleaning of the cages is required. The cages need to be washed thoroughly to avoid possible experiment contamination, while simultaneously being washed in high volume.
  • [0006]
    The animal cage cover, such as a micro filter top, when it is stored, washed or moved as a group, needs to stack without falling over, must stack straight on top of one another and must stack many layers high. Also, when washed, the covers are laid on a conveyor belt, which has many holes in it and the micro filter top can not have pieces that will protrude into those holes.
  • [0007]
    Additionally, once the cages and covers have been cleaned, they need to be stacked for transport. Also, during preparation of the cages, the cages with covers, may be arranged in stacks in a nearby staging area by a rack system, While stacked outside the rack, possibly partially filled with food or even animals, the cage and cage cover assemblies must not slide or fall off of one another.
  • OBJECT AND SUMMARY
  • [0008]
    The animal cage and animal cage cover of the present application provides an improved cover that allows for efficient stacking for cleaning purposes, Also, the combined cage cover and cage assembly is simultaneously independently stackable in a solid arrangement.
  • [0009]
    In one arrangement, the animal cage cover, when it is stored, washed or moved as a group, stacks without falling over, stacks straight on top of one another, and stacks many layers high. It is furthermore configured so that it can be laid on a conveyor belt, which has many holes, without having any pieces that protrude into those holes.
  • [0010]
    To this end a cage and cage cover combination has a cage cover having a plurality of stacking lugs and an animal cage having a lower surface. The upper surfaces of said stacking lugs, when in contact with the lower surface of an animal cage form a substantially even connection such that a cage stacked on top of a cover rests securely on the cage cover.
  • BRIEF DESCRIPTION OF THE DRAWING
  • [0011]
    The present invention can be best understood through the following description and accompanying drawings, wherein:
  • [0012]
    FIG. 1 illustrates a perspective view of an animal cage cover, according to one embodiment;
  • [0013]
    FIG. 2 illustrates a bottom perspective view of an animal cage cover, according to one embodiment;
  • [0014]
    FIG. 3A illustrates a perspective view of two stacked an cage covers from FIG. 1, according to one embodiment;
  • [0015]
    FIG. 3B illustrates the two stacked animal cage covers from FIG. 3A along the section A-A, according to one embodiment;
  • [0016]
    FIG. 3C illustrates the two stacked animal cage covers from FIG. 3A along the section B-B, according to one embodiment;
  • [0017]
    FIG. 3D illustrates the two stacked animal cage covers from FIG. 3A along the section D-D, according to one embodiment;
  • [0018]
    FIG. 3E illustrates the two stacked animal cage covers from FIG. 3A along the section C-C, according to one embodiment;
  • [0019]
    FIG. 4 illustrates a bottom perspective view of an animal cage, according to one embodiment; and
  • [0020]
    FIG. 5 illustrates a plurality of stacked animal cages and animal cage covers, according to one embodiment.
  • DETAILED DESCRIPTION
  • [0021]
    In one embodiment, as shown in FIGS. 1 and 2, an animal cage cover 10, such as a micro-filter top, is shown. Animal cage cover 10 is typically constructed as a clear polymer cover, however, it is not limited in this respect.
  • [0022]
    As shown in FIG. 1, animal cage cover 10 has a plurality of stacking lugs 12. The width and length of stacking lugs 12 are made so that they do not fall within the openings on standard conveyor belts of the equipment used to wash micro filter tops. Typical conveyor belts have 1″×1″ openings within a wire mesh conveyor belt. As such, stacking lugs 12 are typically dimensioned with at least one measurement substantially longer than 1″.
  • [0023]
    The height of stacking lugs 12 are made so that an upper surface 14 of lug 12 is substantially the same height as upper vent surface 16 of cage cover vent 18. Many animal cage covers 10 maintain a vent 18 dimensioned to allow sufficient air flow within the animal cage. This vent 18 has a raised surface 16 for supporting micro-filter items. However, vent 18, raised from the general surface of cover 10 causes it to have an un-even surface.
  • [0024]
    It is noted that cover 10 may be configured alternatively without a vent 18. In such an instance the area of vent 18 would be flat, possibly with several raised receivers 19 for mating with rails 52 as described in detail below. For the purposes of illustration, cage cover 10 is described throughout as having a vent 18.
  • [0025]
    In the present arrangement, both lug surface 14 and vent surface 16 are substantially the same height, so when cover 10 is laid down on its top side, it lays down flat and parallel to the surface it is laid on. Thereafter, when multiple covers 10 are stacked on top of one another, the stack of cage covers 10 remains straight and stable for storage and transport.
  • [0026]
    Stacking lugs 12 are preferably constructed as hollow oval rings to make injection molding it easier and faster.
  • [0027]
    In one arrangement as shown in FIG. 1, a slot 20 is dimensioned to run from lug surface 14 down to its base. Slot 20 is used so that in cleaning, any water that may accumulate in that space has a channel to flow out and the space would not become a reservoir for holding water which could lead to post wash unsanitary conditions.
  • [0028]
    In another embodiment, as shown in FIG. 2, animal cage cover 10, on its underside surface has a plurality of mating lugs 22 and centering lugs 30. In one arrangement, stacking lugs 12 and mating lugs 22 provide for the proper height between two (or more) animal cage covers 10 on this end of the micro filter vent 18.
  • [0029]
    As shown in FIGS. 3A-3E, when stacking animal cage covers 10, stacking lugs 12 on the upper surface of cage cover 10 sits against corresponding mating lugs 22 on the surface of those lugs 22. As shown in FIGS. 3A-D, the combination of the height of stacking lugs 12 and mating lugs 22 substantially match up to the height of separate stacking tab 26 of one cover 10 and the top lower edge 28 of a separate cover 10.
  • [0030]
    These separate stacking tabs 26, in relation to lower edges 28 of a separate covers 10 provide the proper stacking height on that end of covers 10. Thus, the combination of lugs 12/22 in addition to tabs 26/edges 28, provides a parallel stacking height between multiple covers 10 when they are stacked one on top of another as shown in FIG. 3A.
  • [0031]
    In another arrangement, each stacking lug 12 includes a centering lug 30 that protrudes down into the inside space of stacking lug 12 and provides interference if stacking lug 12 were to slide front to back or left to right. See for example FIG. 3E. The shape of the cage covers 10 are stacked one on top of another. They are easily self-centering and have enough clearance so that they do not stick together, which would make it hard to pull them apart.
  • [0032]
    In another embodiment, as shown in FIG. 4, an animal cage 50 is shown having both bottom rails 52 for sliding into and out of cage assemblies, and locating rings 54.
  • [0033]
    As noted above, in use, many times the cage assemblies (cage 50 and cover 10) are pulled off of a rack or shelf and are stacked one above another as an assembled unit. Then cages 50 and covers 10 are either stored on a table awaiting use or put onto carts and moved to different rooms. In either case, once they are stacked they cannot slide. In some instances there may be animals inside these cages 50 and if they slide and fall, the animals may get loose or hurt or there could be contaminated bedding, which would fall out and contaminate work surfaces, people and animals. The present invention improves that stability.
  • [0034]
    The arrangement of locating ring 54 molded on the bottom of cage 50 is such that cage 50 can be positioned from either direction with locating rings 54 matching to corresponding stacking lug 12 on covers 10 from the cage 50 located below.
  • [0035]
    For example, as shown in FIG. 5, locating ring 54 matches up with the center-stacking lug 12 on cover 10. As cage 50 sits on top of cover 10 from cage 50 below, locating ring 54 goes around stacking lug 12 and holds it in that position from moving front to back or left and right. The design of the locating ring 54 is made so that it smoothly sits down on that stacking lug 12 and so that it is easily pulled off of it.
  • [0036]
    In addition to locating ring 54 corresponding in location to a center stacking lug 12, the side stacking lugs 12 also match up to the edges of the bottom of cage 50. For example, the two side stacking lugs 12, as shown in FIGS. 1 and 2, are designed to match up with the corners of the cage 50 bottom, as shown in FIG. 5, at location 60. The two side stacking lugs 12 come up slightly above the bottom of cage 50 on its corners.
  • [0037]
    In one embodiment, stacking lug 12 located in the center is slightly shorter than the two outside lugs 12, so that the outside corners of cage 50 from a cage 50 located above, contacts the corner radius of that cage 50.
  • [0038]
    In this arrangement, the three stacking lugs 12 work together, with the center lug 12 height setting the cage assembly stacking height at its location in the front of cage 50 to match the stacking height at the back of the cage at surface 16 of vent 18. The two outside stacking lugs 12 heights and positions are such that to contact the cage 50 bottom radii at the same time center lug 12 contacts the cage 50 bottom surface at locating ring 54. The two outside stacking lugs 50 come in contact with the bottom radii of cage 50 at a location above the radii tangent point radii on the bottom surface of cage 50. Such an arrangement helps keep the side-to-side stacking stability better.
  • [0039]
    It is noted that maintaining three stacking lugs 12 in a row and at substantially the same height relative to one another is hard to do with plastics and different shrinking rates during manufacture. In the present arrangement, by keeping the center stacking lug 12 slightly lower the processing of cage cover 10 is made easier.
  • [0040]
    In another embodiment as shown in FIGS. 2 and 5, bottom rails 52 of cage 50 are configured to slide-fit within three receivers 19, on animal cage, covers 10 on the side opposite stacking lugs 12, near surface 16 of vent 18. As the cage assemblies (10/50) are stacked one above another, the rails 52 of the bottom of cage 50 mate with receivers 19, preferably in two or three (as illustrated) separate sections across the width of cage cover 10 in order to provide more stacking stability.
  • [0041]
    While only certain features of the invention have been illustrated and described herein, many modifications, substitutions, changes or equivalents will now occur to those skilled in the art. It is therefore, to be understood that this application is intended to cover all such modifications and changes that fall within the true spirit of the invention.

Claims (5)

  1. 1. A cage and cage cover combination, said combination comprising:
    a cage cover having a plurality of stacking lugs on its upper surface, at least one stacking lug located in a middle region of said upper surface of said cover and at least one stacking lug located at a side region of said upper surface of said cover; and
    said combination also comprising:
    an animal cage having a plurality of locating rings arranged in a middle region of its lower surface, wherein the at least one stacking lug located in said middle region of said upper surface of said cover is configured to couple with at least one locating ring of said lower surface of said animal cage and wherein said at least one stacking lug located at said side region of said upper surface of said cover is configured to match up to an lower edge of said bottom surface of said cage, such that when an animal cage is lowered onto said cage cover, said animal cage is securely retained on top of said cage cover.
  2. 2. The cage and cage cover as claimed in claim 1, wherein said cage cover includes a vent.
  3. 3. The cage and cage cover as claimed in claim 1, wherein said stacking lugs have a slot configured to prevent water from accumulating in said cover during cleaning.
  4. 4. The cage and cage cover as claimed in claim 1, wherein said cage cover includes a plurality of stacking tabs configured to align with a top lower edge of a second cage cover stacked on top of a first cage cover.
  5. 5. The cage and cage cover as claimed in claim 2, wherein said stacking lugs are configured to set said cage stacking height at its location in the front of said cage cover to match the stacking height at the back of said cage cover near said vent.
US12902499 2008-05-28 2010-10-12 Cage with micro filter top Abandoned US20110023790A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13018308 true 2008-05-28 2008-05-28
US12472541 US7882806B2 (en) 2008-05-28 2009-05-27 Cage with micro filter top
US12902499 US20110023790A1 (en) 2008-05-28 2010-10-12 Cage with micro filter top

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12902499 US20110023790A1 (en) 2008-05-28 2010-10-12 Cage with micro filter top

Publications (1)

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US20110023790A1 true true US20110023790A1 (en) 2011-02-03

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US12472541 Active 2029-07-29 US7882806B2 (en) 2008-05-28 2009-05-27 Cage with micro filter top
US12902499 Abandoned US20110023790A1 (en) 2008-05-28 2010-10-12 Cage with micro filter top

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US12472541 Active 2029-07-29 US7882806B2 (en) 2008-05-28 2009-05-27 Cage with micro filter top

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110220033A1 (en) * 2010-03-12 2011-09-15 Roto Mold, L.L.C. Pet crate

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524431A (en) * 1968-02-01 1970-08-18 Upjohn Co Animal shipping cages
US4846109A (en) * 1987-08-05 1989-07-11 The Jackson Laboratory Animal shipping container
US5174241A (en) * 1988-12-01 1992-12-29 Habistat Corporation Animal shipping container
US5332114A (en) * 1992-03-17 1994-07-26 Jatco Corporation Container
US5452681A (en) * 1994-09-13 1995-09-26 Ho; Ying-Kuon Collapsible animal house assembly
US5572953A (en) * 1995-05-02 1996-11-12 Taconic Farms, Inc. Animal tote
US5697500A (en) * 1994-12-12 1997-12-16 Walker; David Miller Hugh Insulated storage/transport container for perishables
US20010054394A1 (en) * 2000-06-23 2001-12-27 Marchioro S.P.A. Stampaggio Materie Plastiche Modular cage
US20050028751A1 (en) * 2002-01-25 2005-02-10 Strzempko John J Apparatus for transporting laboratory animals
US20060185614A1 (en) * 2005-02-22 2006-08-24 Marshall Farms Group, Ltd. Small animal shipping assembly
US20070227460A1 (en) * 2006-03-31 2007-10-04 Sydell Incroporated Stackable bird cage
US7527020B2 (en) * 2004-12-13 2009-05-05 Innovive, Inc. Containment systems and components for animal husbandry
US7584720B1 (en) * 2005-12-30 2009-09-08 Jackson Thomas J Canine habitat

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524431A (en) * 1968-02-01 1970-08-18 Upjohn Co Animal shipping cages
US4846109A (en) * 1987-08-05 1989-07-11 The Jackson Laboratory Animal shipping container
US5174241A (en) * 1988-12-01 1992-12-29 Habistat Corporation Animal shipping container
US5332114A (en) * 1992-03-17 1994-07-26 Jatco Corporation Container
US5452681A (en) * 1994-09-13 1995-09-26 Ho; Ying-Kuon Collapsible animal house assembly
US5697500A (en) * 1994-12-12 1997-12-16 Walker; David Miller Hugh Insulated storage/transport container for perishables
US5572953A (en) * 1995-05-02 1996-11-12 Taconic Farms, Inc. Animal tote
US20010054394A1 (en) * 2000-06-23 2001-12-27 Marchioro S.P.A. Stampaggio Materie Plastiche Modular cage
US20050028751A1 (en) * 2002-01-25 2005-02-10 Strzempko John J Apparatus for transporting laboratory animals
US7527020B2 (en) * 2004-12-13 2009-05-05 Innovive, Inc. Containment systems and components for animal husbandry
US20060185614A1 (en) * 2005-02-22 2006-08-24 Marshall Farms Group, Ltd. Small animal shipping assembly
US7584720B1 (en) * 2005-12-30 2009-09-08 Jackson Thomas J Canine habitat
US20070227460A1 (en) * 2006-03-31 2007-10-04 Sydell Incroporated Stackable bird cage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110220033A1 (en) * 2010-03-12 2011-09-15 Roto Mold, L.L.C. Pet crate
US8544417B2 (en) * 2010-03-12 2013-10-01 Roto Mold L.L.C. Pet crate

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US7882806B2 (en) 2011-02-08 grant
US20100000473A1 (en) 2010-01-07 application

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