Foldable Patents (Class 312/258)
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Patent number: 4417774Abstract: A collapsible display booth is disclosed which is used to vend merchandise at concerts on a tour, the booth comprising two easily movable boxes with storage areas inside the boxes for storing merchandise when the booth is being moved from one location to another, the merchandise being sold directly from the storage areas. The front box contains a sales counter, an elevated display which is mounted above the counter to prominently display the merchandise being vended, and two side doors which fold out of the front box to both form the sides of the booth and open the merchandise storage compartment in the front box. The rear box is fastened to the side gates of the front box to form a structurally secure, pilfer-resistant sales booth, and has an additional merchandise display which, when moved into position to display the merchandise, opens the merchandise storage area in the rear box to the interior of the booth.Type: GrantFiled: June 25, 1981Date of Patent: November 29, 1983Assignee: Hastings, Clayton, Tucker & Craig, Inc.Inventors: Mark H. Bevan, Garry C. Kief
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Patent number: 4417527Abstract: A security apparatus for use in servicing an automatic teller machine located on an automobile service island of the sort commonly used in connection with drive through banking. The apparatus provides a protected enclosure rotatable between first and second positions with respect to the automatic teller machine housing enclosure. In the first position, the enclosure is stored out of the vehicular right of way. In the second position, the enclosure abuts the rear of the automatic teller machine housing enclosure and interconnects with such housing enclosure.Type: GrantFiled: August 17, 1981Date of Patent: November 29, 1983Inventors: Waymon D. Williams, Edward A. Moore
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Patent number: 4396222Abstract: A folding caravan in which upper parts of the side walls are foldable inwardly of the caravan from a vertical to a horizontal attitude. The caravan contains at least two pieces of furniture adjacent opposite said side walls, these pieces being opposite or partly opposite one another. The first piece which is tall has a stationary base and an upper part pivoted thereon to fold down onto the caravan floor. The second piece of furniture also has a stationary base and an upper part pivotably connected to that base by a parallelogram linkage permitting this upper part to swing off the base and sit on the folded down upper part of the first piece, thus allowing enough room for the upper parts of the side walls to be folded.Type: GrantFiled: March 18, 1981Date of Patent: August 2, 1983Assignee: Esterel CaravanesInventor: Michel Dufrancatel
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Patent number: 4382640Abstract: A storage device having a plurality of shelves which is portable and removably supportable on a wall mount. The top wall of the device is provided, at its juncture with each sidewall, with a passageway for receiving therethrough a support rod whose rear end is removably supported on the wall mount. The front ends of the support rods are interconnected by a cross bar whereby there is defined a rectangular frame for suspending the storage device from the wall mount. The shelves are provided with rigid panels which extend rearwardly of the storage device a predetermined distance so that the rear ends of the panels abut the wall to provide added support for the device.Type: GrantFiled: December 11, 1980Date of Patent: May 10, 1983Assignee: Closet Systems Corp.Inventor: R. Paul Kashden
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Patent number: 4378828Abstract: A collapsible workbench adapted to be moved from a folded condition to an unfolded, upright condition is disclosed. The workbench includes a top wall, side walls and leg panels, the latter movable from an open position for supporting the workbench to a closed position. The workbench contains a removable tool carrier which is movable from a storage position within a storage space defined by the top wall, side walls and the leg panels of the workbench to an operative position, located between the leg panels when the leg panels are opened. The collapsible workbench has a removable bottom wall which is selectively secured to the side walls of the workbench to maintain the leg panels in their closed position and selectively secured to the leg panels for maintaining the leg panels in their open position and also for maintaining the tool carrier in its operative position.Type: GrantFiled: April 6, 1981Date of Patent: April 5, 1983Assignee: Stanley ZilkaInventor: James Shiminski
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Patent number: 4376558Abstract: A thermal retention container for edibles, especially pizza, that is durable enough for multiple use but inexpensive of construction so as to permit early disposal is disclosed. The container is characterized by a cardboard outer housing having a pair of flanged closing panels to which housing and panels are internally affixed insulating panels. The container contains a plurality of shelves such as to permit transport and/or storage of a plurality of pizzas or the like.Type: GrantFiled: March 25, 1981Date of Patent: March 15, 1983Inventor: Beverly Bandar
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Patent number: 4357059Abstract: A freight container is disclosed which can be used for transporting stackable items and hanging items. The container is particularly stable and features at least one section which contributes to the load-bearing frame, runs transversely and features an undercut groove in which sliding fixtures of flexible supports for hanging the hanging items can be inserted and, if desired, can be fixed at a predetermined spacing. A strut section with both ends attached to the base of the container and a vertical strut attached to the upper part of the frame or to a load-bearing section can be released from the frame at least at one end and secured to a profiled section in the upper part of the container.Type: GrantFiled: May 18, 1979Date of Patent: November 2, 1982Assignee: Swiss Aluminium Ltd.Inventor: Gerhard Mittelmann
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Patent number: 4350399Abstract: A furniture is provided of a door formed by a series of uniformly sized panels which are movable from a closed position, in which they are coplanar one with another, to an open position, in which they are parallel and folded on one side of the furniture itself. The panels are connected together by means of a parallelogram linkage system which allows the panels to be moved from the closed position to the open position by means of a single control. The panels slide in an upper guide and a lower guide of the furniture and fold onto the left hand side of the furniture, allowing full access to the furniture itself. The parallelogram system comprises two sets of rods which are substantially identical and arranged between an upper side of the panels and the upper guide of the furniture and between a lower side of the panels and the lower guide, respectively.Type: GrantFiled: February 15, 1980Date of Patent: September 21, 1982Assignee: Ing. C. Olivetti & C., S.p.A.Inventors: Marcello Berton, Dino Bertozzi
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Patent number: 4345498Abstract: A food slicing machine which folds up into a compact storage position includes a motor driven blade mounted on an upright housing. A platform pivotally mounted to the housing supports a sliding food tray which in turn receives a food pusher used to maintain the food against a guide surface during the slicing stroke. A thumb guard pivotally connected with the food tray must be positioned properly to permit operation of the machine. The components are removable for cleaning and are contained together when the unit is folded up for storage.Type: GrantFiled: June 18, 1980Date of Patent: August 24, 1982Assignee: Rival Manufacturing CompanyInventor: Gary R. Best
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Patent number: 4336973Abstract: A folding clothes hanger including a first wall member, at least one clothes hanger mounted on the first wall member, a second wall member, at least one clothes hanger mounted on the second wall member, and a central post portion and with both the first and second wall members extending from and attached to the central post portion at angularly spaced positions and with at least one of the first and second wall members pivotably mounted to the central post portion for providing for at least a closed position with the first and second wall members lying substantially parallel to each other and an open position with the first and second wall members lying at an angular relationship to each other.Type: GrantFiled: August 4, 1980Date of Patent: June 29, 1982Inventor: Young Bae
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Patent number: 4326731Abstract: A material transporting cart, including a horizontal platform upwardly pivotable about a transverse hinge across its center, the opposite ends of the platform being pivoted on vertical end frames, the lower ends of the end frames and the upwardly foldable central portion of the platform being mounted upon wheels for travel on a ground, and the platform divided by the hinge into two components additionally including a swivel pin near the hinge so that one component pulls the other when the cart is in use.Type: GrantFiled: October 1, 1979Date of Patent: April 27, 1982Inventors: Stephen Woychio, George Spector
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Patent number: 4325597Abstract: A furniture system making it possible to efficiently and at low cost produce articles of furniture in a range of diverse forms and designs. The system is constituted by a basic, multi-section structural module that when erected acts to define the vertical side panels of a piece. The erected module is combinable with removable shelves, tops and other horizontal components adapted to bridge the side panels and rigidify the structure in a manner depending on the predetermined form and design of the piece. The multi-section module is created by two or more rectangular core panels in side-by-side relation to whose opposing faces are laminated fabric layers that serve to interconnect the sections and define living hinges at the junctions thereof whereby the sections may be folded over each other in order to collapse the module for purposes of storage or shipment, or folded out to erect the module for purposes of assembly.Type: GrantFiled: March 27, 1980Date of Patent: April 20, 1982Assignee: Knoll International, Inc.Inventor: Andrew I. Morrison
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Patent number: 4310207Abstract: A primary storage or support unit adapted to rest on a floor or be supported above the floor. The unit pivotally mounts a flat work panel which can be moved into a horizontal orientation where it serves as a desk or table or moved into a vertical orientation where it serves as part of a display and/or a cover for the storage unit. The work panel pivotally carries a utility member which supports the panel when it is horizontal and which frames intelligence on the work panel when it is vertical and serves as a display.Type: GrantFiled: November 23, 1979Date of Patent: January 12, 1982Inventor: John Adams, Jr.
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Patent number: 4295599Abstract: An expanding file box includes a flat bottom panel and a pair of hollow side walls extending upwardly from each side of the bottom panel. The side walls have front and rear entrance openings leading into the interior thereof. The file box also includes flat front and rear panels connected to the front and rear edges, respectively, of the bottom panel to each pivot between a closed substantially vertical position and an open, outwardly tilted position. With the front and rear panels in open position, files or cards located within the box can be tilted relative to each other so that substantially the entire front face of the file is visible. The front panel includes a front sliding panel extending rearwardly from each side edge portion of the front panel to slidably extend into the hollow interior of a corresponding side wall to pivot with the front panel to form an extension of the side walls when the front panel is tilted in open position.Type: GrantFiled: May 16, 1980Date of Patent: October 20, 1981Assignee: John D. LocatelliInventors: John D. Locatelli, Gary M. Gunderson
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Patent number: 4290658Abstract: A file cabinet and drawer each formed from a single sheet of cardboard, fiberboard, or like material with the file cabinet being formed to provide a housing for the drawer. The drawer being so formed as to have multiple layered front and rear walls and doubled panelled side walls with one of said panelled side walls providing an interior file carrier support.Type: GrantFiled: September 21, 1979Date of Patent: September 22, 1981Inventor: Dennis De Rosa
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Patent number: 4289362Abstract: Segmented doors for closing a wide opening in an enclosure where the upper door is hinged to the top of the opening, the lower door is hinged to the bottom of the upper door and a wire bail is provided for the purpose of locking the lower door into a V-like or triangular relationship with the upper door. This V-like structure, composed of the locked-together upper and lower doors, can then be rotated upward to a stable triangular or inverted V-like position atop the roof or top panel of the cabinet.Type: GrantFiled: June 12, 1979Date of Patent: September 15, 1981Inventor: Daniel E. Kramer
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Patent number: 4286831Abstract: Folding furniture is herein described which generally comprises two planar members hinged about contiguous edges thereof. One member may be generally uninterrupted in its planar extension while the other may be cut to form various structural support members. The second member is formed with two opposed faced, generally C-shaped members which are hinged to the second member. The C-shaped members are swingable outwardly to support the first member in a horizontal plane as well as to support the entire structure in an operational posture as a desk or table.Type: GrantFiled: October 15, 1980Date of Patent: September 1, 1981Inventor: Robert E. Beers
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Patent number: 4265501Abstract: A shelf cabinet assembled from a number of modular shelving units secured together with the aid of splicing members into a sturdy load bearing structure resisting bending and twisting tendencies. Each module includes a pair of side panels hinged to a rear panel so that the side panels can be folded flat onto the rear panel for containerization with a corresponding shelf, splicing members and assembling brackets and bolts. Each side panel has a channel like opening formed in the front edge thereof for receiving a splicing member. Angle brackets are secured to flanges on adjacent side panels and the shelf is positioned with a downwardly extending tongue between the side panel and the bracket and forced against a portion of the splicing member to secure the member in place and provide an integral structure.Type: GrantFiled: February 25, 1980Date of Patent: May 5, 1981Inventor: Charles R. Halliburton
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Patent number: 4261627Abstract: A drawer-receiving chest or cabinet stored and shipped as a unit in collapsed folded-flat form and erectible by unfolding to a sturdy structure having several openings for slidably-receiving and supporting drawers, as a chest of drawers, cabinet or the like, and having a one-piece back panel to which is hingedly fastened all of the structural elements to form a unitary structure, including a forward framework defining drawer openings and drawer-supporting shelves hingedly connected to the back panel; and side and top panels respectively hingedly connected to the vertical edges of the back panel and the top panel hingedly connected both to the top edge of the back panel and to the forward framework, thus allowing the sides and top to be unfoldable forward from the back panel to define sides and top encasing said framework, with the side elements carrying foldable flaps on the forward edge of each side and folding horizontally inward about a vertical frame element to firmly secure the total structure into an erType: GrantFiled: September 5, 1979Date of Patent: April 14, 1981Inventor: James M. Felsenthal
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Patent number: 4253715Abstract: A console for a sewing machine comprises a supporting base which includes a rear wall with respective opposite sidewalls and a front wall hinged to one side wall which is openable and is provided with a cover at right angles to the upper edge thereof so that it forms in an open position a fabric support table. A carrier, including a plate portion which has a top surface for supporting the sewing machine and a back support is connected to the rear wall of the supporting base. The back support includes the lower part engaged with the supporting base and an upper part which is hinged to the lower part which is connected to the carrier to support the carrier in an operative position above the supporting base. In addition, a stirrup has a central portion pivotally connected to the carrier plate and a lower portion which is guided in slots in each side wall. The carrier in the upper position of the slot supports the carrier plate with the sewing machine in an operative position.Type: GrantFiled: March 2, 1979Date of Patent: March 3, 1981Assignee: Pfaff Haushaltmaschinen GmbHInventor: Ulrich Greiner
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Patent number: 4250580Abstract: A collapsible, foldable travel crib is disclosed. The illustrated and preferred embodiment is comprised of a single sheet of stiff board which is folded and perforated in a manner to be described to assemble into an open top, generally rectangular crib. It incorporates a set of edge stiffeners having a U-shaped cross section. In the assembled state, the stiffeners are fastened along the top edge to define a straight top edge gaining reinforcing from the stiffeners. In the folded state, the stiffeners are placed along the edge to close the apparatus into a folded, flat body which is easily carried.Type: GrantFiled: June 22, 1979Date of Patent: February 17, 1981Inventor: Larry L. Eichenauer
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Patent number: 4243282Abstract: A relatively inexpensive knock-down type cabinet for use as a wardrobe or storage cabinet comprising a pair of die cut blanks, each of which can be readily folded to define two like shaped sections arranged to complement one another in the assembled position to define a rectangularly shaped cabinet having an open front access opening which is closed by a sliding door. Suitable fastening means secure the respective folded sections in the assembled position, the arrangement being such that the cabinet can be readily assembled and secured without the need of any hand tools.Type: GrantFiled: February 22, 1979Date of Patent: January 6, 1981Assignee: Eastern Packaging and Display Co.Inventor: Mark S. Densen
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Patent number: 4236460Abstract: A multifunctional folding furniture system includes a basic frame structure to which functional panels are removably attached. The frame consists of four stiles (uprights) connected by side rails to form side members, which members are removably and rotationally connected to a back panel having two elongated slots to form the frame of the basic unit. Functional panels of various dimensions and configurations may be removably and rotationally applied to the frame to create functional surfaces.The complete system includes a number of frame units and separate panels, all of which may be interconnected to form a large variety of furniture pieces, including various arrangements of desks and tables.Type: GrantFiled: November 9, 1978Date of Patent: December 2, 1980Inventor: Felice Poupko
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Patent number: 4189197Abstract: Portable desk having a main rectangular body including one or more compartment areas for storing items, having a foldable table portion which, on closure, covers the storage compartments, and having a plurality of extendable legs which are collapsible into the main body portion. One or more bar elements are adaptable initially for storage within the table element and, on fold-out of the desk, to be fitted within aligned slots in each the table porton and main body to support a table and supplementally to assist in bracing the extended leg members against lateral movement. Supplemental means also are provided to render the extended leg members to be respectively adjustable to various lengths to allow the desk to be leveled when unfolded and set up on an uneven surface or terrain.Type: GrantFiled: August 16, 1978Date of Patent: February 19, 1980Inventor: George O. Walker, Jr.
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Patent number: 4126363Abstract: A sewing machine cabinet is disclosed having removable legs and fold-in sides thereby minimizing the amount of storage space required. This cabinet has the added feature of a built-in, rigid, folding storage compartment. The compartment includes two panels pivotably mounted one to the other and one to the cabinet whereby the two panels, along with the cabinet top and three adjoining sides, enclose an area beneath the cabinet top in which various articles appurtenant to sewing may be stored.Type: GrantFiled: December 1, 1977Date of Patent: November 21, 1978Assignee: The Singer CompanyInventor: Robert S. Peets
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Patent number: 4122638Abstract: Folding structures useful for a variety of different utilitarian and play purposes can be constructed so as to utilize a Sarrus linkage modified so as to include an overcenter toggle mechanism to reinforce the linkage against inadvertent or undesired folding from an expanded position. As used in accordance with the invention such a Sarrus linkage includes two non-folding members or walls which are connected by two separate folding wall structures. Each of such wall structures includes two non-folding parts, an intermediate hinge connecting such parts, and edge hinges connecting such parts to the non-folding members or walls.Type: GrantFiled: April 12, 1977Date of Patent: October 31, 1978Inventors: Edward D. O'Brian, William M. Plachy
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Patent number: 4116513Abstract: A tight-fitting corner construction is provided for use between adjacent, integrally connected parts of a common panel. A specially configured, three-sided miter groove is formed between the panel parts, and the panel is folded to close the groove and to form a corner between the panel parts. An overhanging lip is provided on one of the panel parts along one side of the groove. When the panel is folded to form a corner, the lip is brought into overlying engagement with inner surface portions of the other panel part to effect a thorough, tight-fitting closure of the groove. The panel preferably comprises a hollow, elongated plastic member which is used to form the sides and back of a drawer frame. Snap-acting locking devices are carried in hollow portions of the panel adjacent the corner locations to lock the panel in its folded configuration. A drawer front carries connectors which project into hollow portions of the drawer sides.Type: GrantFiled: January 17, 1977Date of Patent: September 26, 1978Assignee: Kessler Products CompanyInventor: Myron E. Ullman, Jr.
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Patent number: 4099809Abstract: A device for providing work surfaces for writing, typing or other such activities, that collapses to an easily storable position and readily reassembles for use. The device includes a plurality of hinged work surfaces of shelves, which are connected to a rear support wall and in the assembled position are also connected to side support walls. The side support walls are, in turn, also connected to the rear support wall. In addition, partition extension walls can be connected and disconnected from the side support walls to provide increased seclusion from adjoining areas when the device is used in a crowded area.Type: GrantFiled: August 13, 1976Date of Patent: July 11, 1978Inventor: Samuel S. Leotta
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Patent number: 4087144Abstract: The portable booth is comprised of a front wall and two side walls, to thereby define a three-sided structure. The front wall has an opening and a shelf attached thereto adjacent the lower edge of the opening. The booth is collapsible and adapted to be used for in-store demonstrations of products, cooking techniques, etc.Type: GrantFiled: August 2, 1976Date of Patent: May 2, 1978Assignee: Consumer Idea Centers, Inc.Inventor: Miriam P. Wax
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Patent number: 4085762Abstract: A folding, rigid tent-like structure useful for a variety of play purposes can be constructed so as to utilize a pair of sides. These sides have top edges which are preferably connected by a connector and appropriate hinges so that the sides may be pivoted relative to one another. A pair of bottom walls are located between these sides adjacent to the bottom edges of these sides. The bottom walls have pivotally connecting adjacent edges and side edges which are pivotally connected to the sides. At least one folding link structure is secured to the sides beneath the bottom wall. This folding link structure serves to support the bottom walls against sagging. The tent-like structure may be folded to a flat position by concurrently folding the link structure between the sides and folding the bottom walls so that they are adjacent to one another between the sides as the sides themselves are pivoted so as to be adjacent to one another.Type: GrantFiled: April 12, 1977Date of Patent: April 25, 1978Inventors: Edward D. O'Brian, William M. Plachy
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Patent number: 4082389Abstract: A multishelf cabinet, open at the front, is made up of a back and two end members joined by block hinges at the upright corners for folding of the ends inwardly against the back. The back is split vertically at the center and the two pieces are hinged together for folding backwardly upon each other. When open a plurality of shelves fit within the cabinet space provided and have tenons extending through mortises in the back and the ends. The ends of the tenons have vertical holes into which wooden clothespins fit to secure the assembly together. A canvas or wooden front may be provided with suitable fastenings to protect the storage items placed on the shelves.Type: GrantFiled: January 28, 1977Date of Patent: April 4, 1978Inventor: Glenn M. Stewart
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Patent number: 4082388Abstract: A plurality of transversely alignable elongate wall sections having longitudinal edges of adjacent sections in abutting relation. Hinges are connected between each of the abutting longitudinal edges so that the wall sections are foldable to form an enclosure. Each of the wall sections have upper and lower transverse edges with the upper edges being in horizontal alignment and the lower edges being in horizontal alignment. An elongate channel having a U-shaped cross-section is removably fitted over the upper transverse edges and a similar channel is fitted over the lower edges to secure the wall sections in planar alignment. A pair of elongate stabilizers are removably fitted to the lower channel and extend substantially orthogonally from either side of the wall section. A planar elongate cabinet top is removably and orthogonally supported to a lower portion of the wall sections and an elongate planar cabinet front is removably positioned between the cabinet top and the stabilizers to form a cabinet enclosure.Type: GrantFiled: November 17, 1976Date of Patent: April 4, 1978Inventor: Roy F. Goeglein
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Patent number: 4065195Abstract: A collapsible dog feeder which is composed of three hingedly interconnected support panels, a front panel and a pair of spaced side support panels, and a top panel to be supported by the support panels which is hingedly connected to the front support panel and which spans the side support panels when the dog feeder is erected; and, when the dog feeder is in a collapsed condition, the side panels are hingedly moved into coplanar relation with one another and in a plane parallel to the front panel and the top panel is hingedly moved about its hinge axis into a plane parallel to the support panels. A handle is provided on the feeder for carrying it when in a collapsed condition.Type: GrantFiled: May 12, 1976Date of Patent: December 27, 1977Inventor: John H. Fahmie
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Patent number: 4062607Abstract: A card file box having front and rear panels pivotally mounted to open outwardly for increased capacity and ready accessibility to the cards contained therein. A bottom member has a trapezoidal shaped cross-section which provides a pair of angularly disposed edges adjacent the front and rear panels. A pair of coaxial pins are situated near the lower corners of each front and rear edge of a pair of end panels adjacent the bottom member and pivotally cooperate with mating openings in the lower edges of the front and rear panels. Outward travel of the front and rear panels is limited by contact between the lower portion of the inward surface of the front and rear panels and the angular edge of the bottom member. In the closed position the integrity of the box is maintained by a pair of upwardly facing projections on the top edges of the front and rear panels engaging mating openings on the lower surface of the top panel.Type: GrantFiled: April 2, 1976Date of Patent: December 13, 1977Inventor: John D. Locatelli
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Patent number: 4057308Abstract: Opposite side edges of a base wall are hingedly attached each to a corresponding edge of a pair of side walls and, in the erected state, define three walls of a boxlike enclosure. In its collapsed or shipping position the cabinet side walls are folded oppositely from their erected position on pivot-like hinge means so that they are positioned flat against the rear surface of the base wall. Shipping and storage requirements are significantly less as the flattened units may be stacked one atop another with no wasted space, yet are easily assembled by folding the sides 270.degree. to their erect position.Type: GrantFiled: May 27, 1976Date of Patent: November 8, 1977Assignee: Dunning, Ltd.Inventor: John M. Dunning, III
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Patent number: 4046084Abstract: An article of folding furniture such as a stool or a table is made from board or other sheet material by a few cutting operations that provide substantially all the load bearing parts necessary for the complete unit. When assembled, the furniture article exhibits symmetry about the folding axis and its parts complement one another so that when the article is folded, the parts interfit to form a flat compact package. Resultantly, the article can be stored singly in a confined space or in numbers in a compact stack.Type: GrantFiled: February 22, 1977Date of Patent: September 6, 1977Inventors: Charles D. Hosford, Barry Simpson
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Patent number: 4045043Abstract: The trolley has a lower platform which is provided with rollers and carries two fixed lateral grills and a movable grill between the fixed grills. At least one horizontal shelf is pivotably mounted on a first of the fixed grills and is pivotable between a withdrawn position against the first fixed grill and a horizontal position in which the shelf bears against a rod of the second fixed grill. A gate mounted on one of the fixed grills to be movable inwardly of the space defined by the three grills from a closed position to an open position prevents the shelf from being pivoted to its withdrawn position so long as the gate is in its closed position. A fixed gate is disposed above the lower platform. The distance between the gates and the shelf immediately above them is less than the height of the objects to be transported by the trolley.Type: GrantFiled: July 23, 1976Date of Patent: August 30, 1977Assignee: Cycles-PeugeotInventor: Francois Fourrey
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Patent number: 4014597Abstract: Two main speaker enclosures when latched to each other at their open faces for transport purposes, enclose chambers that are of an internal configuration and dimension to respectively receive and hold two abutting auxiliary speakers in assembled relationship provided the two auxiliary speakers are inserted in a predetermined orientation. The chambers are formed by forwardly diverging walls of the speaker enclosures.Type: GrantFiled: August 27, 1975Date of Patent: March 29, 1977Assignee: Amanita Sound, IncorporatedInventor: Timothy L. Griffin, Jr.
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Patent number: 3975069Abstract: A collapsible enclosure for lavatories or the like having a front panel frame, a pair of substatially identical side panels and a bottom panel, which in assembled position form a partially enclosed rectangular housing. A stiffening brace disposed normally between the side panels at their rear top edges forms the fourth edge of a rectangular support for a removable flat top panel having a vertically disposed flange across the back edge and a round opening to accommodate the lavatory. The bottom panel folds up against the front frame. The two side panels rotate horizontally on composite hinges, one side of a clockwise direction and the other side in a counterclockwise direction, to assume adjacent positions parallel to the folded bottom panel. The two front corner hinge composites are designed so that one includes a substantially wider center leaf than the other.Type: GrantFiled: December 20, 1974Date of Patent: August 17, 1976Inventor: Philip A. DeLucia
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Patent number: 3966286Abstract: A cart on rollers includes a rigid cabinet portion and a foldable cabinet portion permitting the cart to be folded into a volume of less than half its normal size. The cart includes trays, shelves, and compartments for holding medical supplies used in taking blood-specimens in hospitals.Type: GrantFiled: October 31, 1975Date of Patent: June 29, 1976Inventor: Pauline Inez Groseclose
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Patent number: 3955864Abstract: A cabinet of the sort used as a vanity, or the like, is molded in several components connected in articulated relation for shipment in a flat, folded condition yet readily erected for installation. The components include a front panel formed with integral hinges connected to cooperating integral hinges formed on a pair of side panels adapted to fold over against one another and the front panel when the cabinet is in a collapsed position. A pair of shelves is provided, each with integral hinge pins pivotally engaging the front and side panels by sockets formed between the side panels and the front panel, both shelves being foldable against the front panel when collapsed. A back panel is provided for closing the rear of the cabinet when erected and means are provided for re-inforcing and supporting the various components from damage during shipment.Type: GrantFiled: March 21, 1974Date of Patent: May 11, 1976Inventors: Kenneth A. MacDonald, Edward J. MacDonald
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Patent number: 3933401Abstract: The rear and side panels of a drawer are formed from a single slab of foamed rigid poly(vinyl chloride) having a reinforcing densified core and a densified outer skin with a wood grain pattern thereon. A longitudinal groove is formed in one surface of the slab adjacent the bottom edge thereof, and two V-shaped grooves are cut across the width of the same surface at appropriate ultimate corner forming locations. Appropriate guide slots and drawer front fastening configurations are formed on the slab. The slab is heated and bent at the V-shaped groove locations to form the rear and side panels of the drawer. A drawer bottom panel is installed in the longitudinal groove adjacent the bottom edge of the rear and side panels and the drawer front is attached. The drawer looks, feels, sounds, and handles like wood, but is less expensive and has many desirable qualities not possessed by wood.Type: GrantFiled: June 21, 1974Date of Patent: January 20, 1976Assignee: Armstrong Cork CompanyInventors: John G. Lampe, Willie E. Wall