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Class 220/4.28 - Knockdown


Subclass of Class 220 - Receptacles
Definition: Receptacle wherein the sections are separate parts or have
No. of patents: 368
Last issue date: 05/01/2012


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NumberTitleIssue Date
4210252Angleworm storage box
An angleworm storage box comprised of a pair of rigid, integrally formed rectangular frame members which are right angled in cross-section and are connected by a set of corner struts, also right angled in cross-section, and having latch members extending ...
07/01/1980
4209183Load carrying pallets
A load carrying pallet of the type comprising a base provided adjacent each end of each side with a support surface level with the deck of the base and terminating in an upstanding lug, and with an upwardly facing channel subjacent each support surface, f...
06/24/1980
4194642Furniture component systems
A furniture component system comprises connecting members each having a pair of mutually angularly divergent limbs, and plate-shaped members having at least one edge formed with at least two holes extending inwardly of the respective plate-shaped member, ...
03/25/1980
4186841Pallet
A foldable, stackable pallet suitable for dense objects, such as bags of coins. The pallet has two removable side walls which can be stored flat beneath folded end walls which are erected by a pair of depending plates having vertical slots engaging transv...
02/05/1980
4182072Toy construction kit
A toy construction kit is provided which includes, as basic building elements, a plurality of interlockable plate members, each plate member having a tongue along one side and a groove along the other side whereby two or more plate members can be connecte...
01/08/1980
4174045Loading platform
A preferably metallic platform which is adapted to be stacked and is provided with supports for receiving and supporting another loading platform. The platform also includes side walls which are adapted detachably to engage the insides of the supports. Th...
11/13/1979
4173287Method of making boards and packing cases made therefrom
Boards for wooden packing cases with the shape of a parallelepiped, having connecting elements in the form of tenons and mortises that alternate at regular intervals on the edges of the rectangular hexahedron thereof. Each edge is connected with the other...
11/06/1979
4171059Stackable loading platform
A stackable loading platform having a bottom with a plurality of feet. A plurality of supports are respectively located at the feet and are detachably arranged therein. A plurality of side walls are arranged between and detachably engage the respective ad...
10/16/1979
4171058Knock-down slot-lock container
A knock-down container comprising four interlocked side panels and a panel-supporting pallet. Each side panel has opposing end regions which extend beyond the outwardly-facing surfaces of adjacent interlocked panels. Cleats attached to the inwardly-facing...
10/16/1979
4167232Box composed of pressed materials for shipping fruits, vegetables
A box for shipping fruits, vegetables, etc. is composed of [a] two pairs of substantially square or rectangular generally flat side panels of generally equal shape; [b] the longitudinally upper edges of the panels being turned outwardly and the longitudinal lo...
09/11/1979
4165024Bulk shipping container
This invention relates to an improved reuseable bulk shipping container for the transport of liquids, semi-liquids, semi-solids, pastes and the like. The container has a pallet-type base structure including a drain and flow regulation valve assembly provi...
08/21/1979
4163502Sheet metal connection in elongated lamp housings
In an elongated field lamp housing made of assembled sheet metal parts of the type including a U-shaped elongated lamp element, two U-shaped front faces joined to opposite ends of the lamp element and a generally U-shaped, elongated covering hood joined t...
08/07/1979
4128354Knock-down container side panel connections
A connecting arrangement for box-shaped support structures connects the upright walls constituting the support structure to one another at upright marginal portions thereof. The connecting arrangement includes upper and lower connecting projections which ...
12/05/1978
4123077Goods transport cart with molded plastic panel
This cart, comprising a basket made of molded plastic panels, notably for use in self-service stores and the like, is caster-mounted and comprises a lower horizontal frame supporting an ossature of said basket. This ossature comprises a pair of rear uprig...
10/31/1978
4116510Chassis formed of sheet stock
This chassis has side, top, bottom and rear plates which are made out of sheet stock and where are oriented at 90° with respect to each other. Bifurcated tongues are formed in edges of plates. Elongated slots are also formed in plates at points spaced aw...
09/26/1978
4102554Instrument cabinet
An instrument cabinet adapted to be constructed from simple sheet metal parts comprising top and bottom members, corner connector posts serving as panel mounts, and end opening defining end frame bezel means, all of the parts being conveniently secured in...
07/25/1978
4080410Evaporative cooler construction
The disclosure relates to an evaporative cooler construction having a frame comprising corner posts, a sump pan and a cover pan, together with pivotal access doors above and between the corner posts adapted to overlie and expose upper portions of evaporat...
03/21/1978
4069938Returnable shipping container
A returnable shipping container includes top and bottom closure members each having inner indentations and an outer affixed metal member forming a peripheral slot with collapsible first and second body members formed to fit into the bottom and top slots a...
01/24/1978
4068646Crank case oil pan
An oil pan designed for installation underneath a crank case of an internal combustion engine, the oil pan of the present invention consisting of two separate sections each of which is secured independently to the engine as well as to each other so that e...
01/17/1978
4061084Device for transporting unstable stacks of sheetlike materials
Method and apparatus for use in transporting unstable stacks of sheet material whereby releasably interconnected supports constrain the sides of the stack against slippage and such supports are positioned to provide gaps for passing strapping material abo...
12/06/1977
4054223Packings for transport and storage especially of liquid and pasty products
The present invention relates to a complex packing, especially adapted for the transport and storage of liquid and pasty products in large quantities, for example of the order of a thousand litres or more, this packing having a large safety factor during ...
10/18/1977
4053079Pallet cages
Pallet cages to couple to a pallet and enclose goods stacked on the pallet, each cage comprising four panels, two locking and two hinged. The locking panels having clips which by manipulation of the locking panel are engageable under battens of the pallet...
10/11/1977
4050604Disassembleable, reusable container
A disassemblable, reusable container system is provided which on assembly is substantially rectangular configuration providing for greater storage capacity, and on disassembly, is readily stackable in a relatively small area. The container system includes...
09/27/1977
4048754Window box planter with tool-free quick set-up and hanging adjustment
A plant-holding type window box has wedge-tight spring-lock assembly-securance system providing rapid, tool-less set-up for use and knockdown for shipping or storage; plural hangers incrementally adjust in pre-spaced holes and screw-adjust in depth in coa...
09/20/1977
4029723Evaporative airconditioner
The invention provides an evaporative airconditioner comprising a base, side panels and a top and wherein the side panels are supported on the base and have stiles having mitred side edges and wherein adjacent side panels abut and close sides of the airco...
06/14/1977
4020967Collapsible container
A collapsible container for storing and transporting bulk material, particularly baled rubber, and the like, comprising independent floor and wall members which can readily be moved between container forming and knockdown positions. In the container-formi...
05/03/1977
4008553Wall panel structure and connecting means therefor
Wall panels and connectors for holding the panels together at their opposite ends to provide walls and partitions for buildings, storage bins and other walled structures. Similar panels have parallel inner and outer side walls, upper and lower edge walls ...
02/22/1977
4002233Knock-down display case kit
A knock-down case kit for different size contents including size panels having dovetail grooves slidably receiving complemental slides on the bottom edges of mirror-image top, bottom, front and back panels. The two bottom panels are hingedly connected to ...
01/11/1977
4000827Produce container
A lightweight container formed of a plastics material is provided for use in carrying fresh produce. The container base and side panels are molded with interfitting tenon and mortise joints which provide a strong and tight fit but yet which permit easy kn...
01/04/1977
3999676Collapsible container
A collapsible container having sidewalls pivotally mounted on the bottom wall so that all the sidewalls may be folded inwardly on the bottom wall for transportation or storage. Several of the sidewalls are adapted to pivot outwardly to facilitate the unlo...
12/28/1976
3993211Container
A storage container, such as a crate or bin, which may be formed of plastics material, and which is adapted for transportation by a fork lift truck, comprises a base having a generally level upper surface and four similar sides adapted for mounting perpen...
11/23/1976
3990601Knock-down display stand
A knock-down storage and display stand which is easily assembled without the use of tools or fastening devices. The stand is constructed of a light-weight material such as plastic or corrugated paperboard and comprises front and rear uprights having their...
11/09/1976
3989157Container assembly
An assembly for a container having a plurality of panels each of which is engaged at marginal edges thereof by a channel shaped rail. Moldings formed with pairs of spaced parallel flanges define recesses for receiving the rails....
11/02/1976
3987924Plastic container
A plastic container includes a pair of molded plastic end wall structures affixed to opposite end edges of an intervening wall structure having generally parallel tubular reinforcing rib portions formed as by extrusion. A plurality of prongs project outwa...
10/26/1976
3985258Knock-down plastic container for produce and the like
A knock-down container or bin of the type used to transport fruits and vegetables from the field to produce processing and packing plants is molded of plastic and consists of four identical sides and a bottom. When erected, the containers may be stacked. ...
10/12/1976
3984023Underground valve box
A rectangular underground valve box is made from separate side and end walls of plastic that may be packaged for shipping and storage in a compact manner. The walls include interlocking portions adjacent their edges that secure them to each other during a...
10/05/1976
3982650Collapsible container
A collapsible container with or without a lid for carrying and storing articles comprising at least one side plate formed in its inner surface with recessed portions aligned along one end thereof and each having a vertical pin supported by opposed walls d...
09/28/1976
3979005Cryogenic tank and aircraft structural interface
A cryogenic fuel tank of a cylindrical design having toroidal surface ends, is suspended in aircraft structure through a central front mount member; and the rear tank is supported by rod elements which extend from a mounting ring about the tank, to mount ...
09/07/1976
3974616Structural component for forming load supporting frames
A structural component for use in constructing containers and load supporting frames in building construction, comprises an extruded member of indefinite length, including at least a pair of outer limbs formed longitudinally at right angles to one another...
08/17/1976
3974934Rigid container enclosed on five sides
A rigid container enclosed on five sides including a bottom panel, rear panel and top panel to which two side panels are attached, wherein the edges of the container assembly facing the side panels incorporate ribs which engage in slots provided on faces ...
08/17/1976
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